The URL can be used to link to this page

Home My WebLink AboutRISK MANAGEMENT SOILS ENGINEERING, INC. QUARTERLY STATUS REPORT 2nd Quarter 1998 Tract 5426 Bakersfield, CA. Prepared For: Castle & Cooke California, Inc. 10000 Ming Avenue Bakersfield, California 93311 File No. 97-8308 Prepared By:' Soils Engineering, Inc. 4700 District Blvd. Bakersfield, CA. 93313 July, 1998 4700 DISTRICT BLVD. ° BAKERSFIELD, CALIFORNIA93313 ° PHONE(805) 831-5100 ° FAX:(805) 831-2111 I SOILS ENGINEERING, INC. I i July 6, 1998 Regional Water Quality Control Board I3614 East Ashlan Avenue Fresno, CA 93726 I Attn.: Hassan Jakhar I Subject: 2na Quarter 1998, Remedial Status Report Tract 5426 Cladham Common Drive i Bakersfield, California Mr. Jakhar: I Soils Engineering, Inc. (SEI) has prepared this 2na Quarter 1998 Remedial Status Report for Tract 5426 in Bakersfield, CA. (site). This report summarizes the assessment and remediation work conducted at the site during the 1st and 2na Quarters of 1998. This work has included the continued bioremediation of soil removed from Tract 5426, two groundwater monitoring events, and the removal and placement of biocell Soil at a new office location parking lot area (see Plate 1 and lA I Location Maps). for Bioremediation Of Soil I From August, 1997 to June, 1998 approximately 25,000 cubic yards of crude oil impacted soil has been bioremediated in two biocells constructed to the south of Tract 5426. Total Petroleum iHydrocarbon (TPH) concentrations were reduced significantly in the top 1 ½ feet of the biocells as shown in Table 1. The majority of biocell soil below 1 V2 feet in the biocells had TPH concentrations over 1000 ppm. I Disposition Of Biocell Soil SEI proposed in an April 15, 1998, Workplan for Soil Disposition (Workplan), to place biocell soil I less than 1,000 ppm TPH, beneath a proposed parking lot at the northeast coruer of Stockdale Highway & Calloway Drive (see Location Map, Plate lA). This Workplan was verbally approved by the Regional Water Quality Control Board (RWQCB) and the City of Bakersfield Fire Department I Office of Environmental Services (COBFDES). An addendum to this Workplan dated June 11, 1998, was also verbally approved by the RWQCB and the COBFDES, in which the remaining biocell soil, not used beneath the parking lot, would be placed east of the asphalt parking lot for continued I bioremediation to acceptable levels (see Plate 2 and 2A for Plot Plans). Between June 4, and June 17, 1998 the top 1 V2 feet of biocell soil was removed and placed under I I 4700 DISTRICT BLVD. ° BAKERSFIELD, CALIFORNIA93313 ° PHONE(805) 831-5100 ° FAX:(805) 831-2111 SOILS ENGINEERING, INC. 2"a Quarter 1998 Remedial Status Report File No. 97-8308 For Tract 5426, T30S, R27E, Sec 6~ Bakerst~eldT Cali[ornia Page No. 2 a parking lot at the new office complex location. Approximately 15,000 cubic yards of biocell soil were placed and compacted in the parking lot area. SEI collected 15 sets of composite soil samples (4 discrete samples), one from each 1,000 cubic yards placed in the parking lot area, and analyzed the soil samples for Total Recoverable Petroleum Hydrocarbons (TRPH) by EPA Method 418.1. Each soil sample was collected in a brass tube, sealed with a Teflon lined cap, labeled, and placed in iced storage prior to being transferred to Halcyon Laboratories, a State certified analytical laboratory, for chemical analysis under Chain-of Custody documents. The analytical results of the 15 composite soil samples ranged from 360 to 990 ppm TRPH, all below the required 1,000 TRPH (see Table 2 for current results). ppm The remaining soil in the biocells was removed between June 17 and July 4, 1998, mixed and placed the area east of the parking lot at a depth of approximately 12 to 18-inches. This soil will be treated (tilling, fertili~.ing, and minimum watering) or mixed to concentrations in the range of 200 ppm TPH and used as fill material or placed under a future parking lot at TPH concentrations less than 1,000 ppm. Monitoring of the biocell soil will be conducted periodically to determine TPH concentrations. Composite soil samples (4 discrete samples) will be collected every 1,000 cubic yards and analyzed for Total Recoverable Petroleum Hydrocarbons (TRPH) by EPA Method 418.1 to determine TPH ~' concentrations. Each soil sample will be collected in a brass tube, sealed with a Teflon lined cap, labeled, and placed in iced storage prior to being transferred to a State certified analytical laboratory for chemical analysis under Chain-of Custody documents. GROUNDWATER MONITORING EVENTS SEI has conducted 2 quarterly monitoring events at the site in 1998. The fa'st was conducted on March 31, 1998 and the second on June 11, 1998. 1~t Quarter 1998 Monitoring Event On January 16, 1998, all seven monitoring wells were measured for depth to water, but only one of the wells, MW-6A, had significant water (see Plate 2 for Plot Plan). On March 31, 1998, all of the monitoring wells were measured for depth to water, and the 5 wells with significant water were purged of a minimum of 3 well volumes with submersible pumps and sampled with new disposable bailers. Water was decanted into a 1-Liter bottle (if enough volume was present) and two 40 ml VOA's for each well. The sample bottles were sealed, labeled and placed into a cooler with blue ice. Groundwater samples were analyzed for oil and grease, and BTEX at a State certified analytical laboratory. Well MW-3 was not sampled since it was damaged by new construction in th~ 'area and was : .. partially full of dirt. Well MW-lA was not sampled since it was dry. Wells MW-2A, MW-5 · SOILS ENGINEERING, INC. Quarter 1998 Retnedial Status Report File No. 97-8308 F. or Tract 5426, T30S, R27E, Sec 6, Bakersl~eld~ California Page No. 3 and MW-6B had very little water and water samples may not be representative of the actual water quality in the area. Purge water was stored in 55-gallon drums and was recycled at the biocell. Groundwater Gradient : The depth to groundwater measurements and the top of casing elevations were used to calculate water elevations within each well to determine the groundwater gradient. The estimated groundwater gradient was 0.0133'/' in a S15E direction. See Plate 3 for a groundwater gradient map. Analytical Results Of Groundwater Samples analytical the water samples indicate that only monitoring The results of well MW-2A had elevated petroleum hydrocarbons present during this monitoring event. Well MW-2A had benzene reported at 63 ppb and oil & grease at 21 ppm. The analytical results of the water samples from well MW-4 and MW-6A had no benzene reported, but trace amounts of oil and grease, 1.1 and 1.5 ppm were reported, respectively (see Table 3 for current groundwater results). See Plate 5 for estimated Groundwater Plume configuration. Quarter 1998 Monitoring Event On June 11, 1998, six monitoring wells were measured for depth to water, purged of a minimum of 3 well volumes with submersible pumps, and sampled with new disposable bailers. Water was decanted into two 40 ml VOA's and one l-liter bottle for each well. The sample bottles were sealed, labeled and placed into a cooler with blue ice. The groundwater samples were analyzed for TRPH, and BTEX at a State certified analytical laboratory. Purge water was stored in 55-gallon drums and was recycled at the biocell. Well MW-3 was not sampled due to the abandonment of the well. Groundwater Gradient The depth to groundwater measurements and the top of casing elevations were used to calculate water elevations within each well to determine the groundwater gradient. The estimated groundwater gradient was 0.0143'/' in a SI5E direction. See Plate 4 for a groundwater gradient map. Analytical Results Of Groundwater Samples The analytical results of the water samples indicate that the outlying monitoring MW-4, MW- 5, MW-6A and MW-6B have no significant petroleum hydrocarbons pre. sent. The analytical results of the water samples from the two interior wells (MW-lA and MW-2A) indicate some minor petroleum hydrocarbons are still present.' Well MW-lA had benzehe reported at 8.9. ppb and no TRPH concentrations. Well MW-2A had benzene reported .at 62 ppb and no I i SOILS ENGINEERING, INC. I 24 Quarter 1998 Remedial Status Report File No. 97-8308 For Tract 5426T T30S, R27E, Sec 6, Bakers~eld~ California Page No. 4 I TRPH concentrations (see Table 3 for current groundwater results). See Plate 6 for estimated Groundwater Plume configuration. I Conclusions & Recommendations I Biocell Soil The biocell soil has been successfully moved to a new location at the NE corner of Stockdale · Highway and Calloway Drive. Approximately 15,000 cubic yards of the biocell soil has been I beneath covered lot and the biocell soil to the placed asphalt parking remaining was placed east of the parking lot .area for further treatment. Analytical results of 15 composite soil samples collected from the parking lot area after placement has confn'med TRPH concentrations less than 1,000 ppm as required. I It is recommended that the biocell soil east of the asphalt parking lot continue to be-treated or mixed to TRPH concentrations in the range of 200 ppm and used as fill material or placed i under a future parking lot area at TRPH concentrations less than 1,000 ppm. Groundwater I Two quarters of groundwater well monitoring have been conducted at the site in 1998. Water levels increased significantly from January to June, 1998. Well MW-3 has been abandoned due to damage caused by local construction activities and was not sampled during these 2 I monitoring events. This well will be replaced if required. Analytical results of water samples from the active monitoring wells indicate elevated benzene levels remain at wells MW-lA and MW-2A, but have decreased at well MW-6A to only a trace amount (0.58 ppb). It does not I appear that the benzene plume is migrating beyond the limits already defined in previous groundwater monitoring events (see Table 4 for historical groundwater results). I Two more of groundwater monitoring are recommended to further evaluate the quarters movement of the groundwater plume. IPlease call Soils Engineering, Inc. at (805) 831-5100 if you have any questions or comments concerning this Remedial Status Report. I Sincerely, ~~ Robert J. Becker, R.G. #5076 1~ [ No. $o76 ' i ~ I Envlr°nmental Divisi°n Manager ~~1~~?'- - ~" ':'~> I i SOILS ENGINEERING, INC. I 2~ Quarter 1998 Remedial Status Report File No. 97-8308 For Tract 5426~ T30S, R27E, Sec 6~ Bakersl~eld~ California Page No. 5 I Enclosures: Table 1, Historical Biocell Soil Sample Results I Table 2, Parking Lot Soil Sample Results Table 3, Current Groundwater Analytical Results Table 4, Historical Groundwater Analytical Results I Location Maps, Plate 1 & lA Plot Plans, Plate 2 & 2A Gradient Map, 3/31/98, Plate 3 I Gradient Map, 6/11/98, Plate 4 Groundwater Plume Map, 3/31/98, Plate 5 I Groundwater Plume Map 6/11/98, Plate 6 cc: Steven DeBranch, Castle & Cooke California I Howard Wines, City Of Bakersfield Fire Department, Office of Environmental Services I ! I i I I I Table 1 TABLE 1 (Continued) Historical Soil Sample Analytical Results (in ppm) Biocells Tract 5426 Bakersfield~ CA. Samples Date B T E X TRPH TPHd W 2/13/98 NA NA NA NA 520 lW-1' 5/20/98 NA NA NA NA 410 E 2/13/98 NA NA NA NA 660 E-I' 5/20/98 NA NA NA NA 390 3/98 NA NA 480 2W 2/1 NA NA 2E .2/13/98 NA NA NA NA 690 2E-2' 4/3/98 NA NA NA NA 410 AI'-W 4/22/98 NA NA NA NA 1300 '-E 4/22/98 NA NA NA NA 390 3W 2/13/98 <5 <5 <5 <15 730 865 3W-2' '2/13/98 NA NA N^ NA 2000 3W-2' 4/3/98 NA NA NA NA 210 3W-1' 5/20/98 NA NA NA NA 180 3E 2/13/98 NA NA NA NA 880 3E-2' 2/13/98 NA NA NA NA 790 3E-1' 5/20/98 NA NA NA NA 430 4W 2/13/98 NA NA NA NA 420 4W-1' 5/20/98 NA NA NA NA 160 4E 2/13/98 <5 <5 <5 <15 110 823 4Eo1' 5/20/98 NA NA NA NA 270 '-W 4/22/98 NA NA NA NA 170 BI'-E 4/22/98 NA NA NA NA 480 5W 2/13/98 NA NA NA NA 1500 5W 4/3/98 NA NA NA NA <50 495 5W-1' 5/20/98 NA NA NA NA 250 5E 2/13/98 NA NA NA NA 340 5E-1' 5/20/98 NA NA NA NA 240 6W 2/13/98 NA NA NA NA 760 6W-2' 2/13/98 NA NA NA NA <50 6W-1' 5/20/98 NA NA NA NA 450 6E 2/13/98 <5 <5 <5 <15 650 1380 6E-2' 2/13/98 NA NA NA NA 870 6E-2' 4/3/98 NA NA NA NA 90 1970 6E-2' 5/20/98 NA NA NA NA 1100 CI'-W 4/22/98 NA NA NA NA 660 CI°-E 4/22/98 NA NA NA NA 610 7W 2/13/98 NA NA NA NA 270 7W-1' 5/20/98 NA NA NA NA 270 Page I ! Table 1 I BIOCELL Samples Date B T E X TRPH TPHd i 7E 2/13/98 NA NA NA NA 650 7E-2' 5/20/98 NA NA NA NA 2800 8W 2/13/98 NA NA NA NA 580 I 8W-1' 5/20/98 NA NA NA NA 370~ 8E 2/13/98 <5 <5 <5 <15 610 596 8E-2' 5/20/98 NA NA NA NA 2600 I DI'-W 4/22/98 NA NA NA NA 820 D2'-E 4/22/98 NA NA NA NA 3900 9W 2/13/98 NA NA NA NA 690 I 9W-2' 2/13/98 NA NA NA NA 630 9W-1' 5/20/98 NA NA NA NA 330 9E 2/13/98 NA NA NA NA 360 I 9E-2' 2/13/98 NA NA NA NA 570 9E 5/20/98 NA NA NA NA 500 i 10W 2/13/98 <5 <5 <5 <15 660 951 10W-1' 4/3/98 NA NA NA NA 160 561 10W-1' 5/20/98 NA NA NA NA 420 I 10E 2/13/98 NA NA NA NA 910 10E-1' 4/3/98' NA NA NA NA 110 778 10E-1' 5/20/98 NA NA NA NA 220 I EI'-W 4/22/98 NA NA NA NA 1200 EI'-E 4/22/98 NA NA NA NA 600 11W 2/13/98 NA NA NA NA 650 I 11E 2/13/98 NA NA NA 90 NA BKGD 1' 4/22/98 NA NA NA NA <20 i S1-1 4/9/98 NA NA NA NA 400 SL-2 4/9/98 NA NA NA NA 400 SL-3 4/9/98 NA NA NA NA 470 I TRPH = Total Recoverable Petroleum Hydrocarbons, B = Benzene, iTPHd = TPH in diesel range,T = Toluene, E = Ethylbenzene, X = X¥1enes ! Page 2 Composite soil data Table 2 Current Composite Soil Sample Results 6/9/98 - 6/17/98 Project Number: 8308 Sample Sample Sample Date Number Description TRPH 6/9/98 980421 OPL-1 370 6/9/98 980422 OPL-2 510 6/10/98 980424 O P L-3 540 6/10/98 980425 OPL-4 630 6/11/98 980426 OPL-5 510 6/11/98 980427 OPL-6 360 6/11/98 980428 OPL-7 550 6/11/98 980429 OPL-8 530 6/12/98 980430 OPL-9 750 6/12/98 980431 OPL-10 855 6/15/98 980432 OPL-11 910 6/16/98 980433 OPL-12 400 6/16/98 980434 OPL-13 550 6/16/98 980435 OPL-14 990 6/17/98 980436 OPL-15 880 TRPH - Total Recoverable Petroleum Hydrocarbons ppm - parts per million, OPL - Office Parking Lot Page 1 TABLE 4 HISTORICAL GROUNDWATER MONITORING RESULTS Tract 5426 WATER SAMPLES Concentrations in U~l/L (parts per billion (ppb)) sample Ethyl- Oil & Number Date Benzene Toluene benzene Xylenes TRPH TPHd Grease Elevated Metals B2-W 2/28/97 73 <3 380 <6 NA MW-1 3/18/97 920 <10 500 <20 31000 AR-159, FE-9950 MW-1 3/24/97 990 <6 540 <20 66000 MW-lA 10/3/97 1.2 <0.3 0.92 <0.6 <1000 220 MW-lA 6/11/98 8.9 <0.3 3.6 1.1 <1000 MW-2 3/18/97 500 <5 76 <10 8600 MW-2 (Dup) 3/18/97 560 <6 92 <20 NA MW-2 3/24/97 550 <6 100 <20 6000 MW-2A 10/3/97 17 <0.3 14 42 1600 1000 MW-2A 3/31/98 63 <0.3 80 220 <200 21,000 MW-2A 6/11/98 62 <0.3 26 27 <1000 MW-3 3/18/97 <0.3 <0.3 1.1 1.1 <1000 MW-3 3/24/97 <0.3 <0.3 <0.3 I <1000 MW-3 10/3/97 0.58 <0.3 <0.3 <0.6 <1000 <200 Destroyed MW-4 10/3/97 <0.3 <0.3 <0.3 <0.6 <1000 <200 MW-4 3/31/98 <0.3 <0.3 <0.3 <0.6 1100 MW-4 6/11/98 <0.3 <0.3 <0.3 <0.6 <1000 MW-5 10/3/97 <0.3 <0.3 <0.3 <0.6 <1000 <200 MW-5 3/31/98 <0.3 <0.3 <0.3 <0.6 NA MW-5 6/11/98 <0.3 <0.3 <0.3 <0.6 <1000 MW-6^ 10/3/97 43 <0.3 7.7 1.1 <1000 <200 MW-6A 10/29/97 31 <0.3 <0.3 <0.6 NA NA MW-6A 3/31/98 <0.3 <0.3 0.34 <0.6 1500 MW-6A 6/11/98 0.58 <0.3 0.39 <0.6 <1000 MW-6B 3/31/98 <0.3 <0.3 <0.3 <0.6 NA MW-6B 6/11/98 <0.3 <0.3 <0.3 <0.6 <1000 NA = Not Analyzed, TRPH = Total Recoverable Petroleum Hydrocarbons, TPHd = Total Petroleum H~/drocarbons as diesel, Ar = Arsenic, Fe = Iron TRACT 5426 PLATE SOILS ENGINEERING, INC. 4700 District Blvd. CLADHAM COMMON DRIVE Bakersfield, CA 93313 Bakersfield, California / PRojEcT NUMBER: ENV97-15 Location Map ,cERN SECTION 6. 30/27 ....... PLATE 1 A LO~ATION .MAP A MW-4 ATTLEBORO AVENUE CL C L A D I H FUTURE PARK ~ MW-lA ! A LOT 11 LOT 12 LOT 13 '1~ - B-20 ( MW. 1) M B-19 (MW-O) , o ' N RESIDENTIAL IV W. 2A PROPERTIES 'k L- D I +! B-13 (MW-2) !, T' R LOT17 LOT 16 LOT 15 MW-5 / ~ Monitoring Well Abandoned l ~ ~ Monitoring Well DORCHESTER AVENUE (Was Maidenhead) N B (~ 70 I TRACT 5426 PLATE SOILS ENGINEERING, INC. Cladham Common DHve 4700 District Blvd. BAKERSFIELD CALIFORNIA Bakersfield, CA 93313 DATE: 10/14/97 PLOT PLAN PROJECT NUMBER: 97-8308 [ I ~ ? 3, ACRES BIoc,.ell 29/27 ?~ (NET) Location Complex 5321.11 Office PLATE 2a PLOT PLAN - 335.51' ~" ""'~'~'~"3 3 5.0' C L i ,- ,,"""""~ ""~334.0' ,, M~-IA A / f ~ FUTURE PARK LOT_11 LOT 12 LOT 13 Dry .,L C Groundwater Gradient = 0.0133'/' $15£ .f , ! B B-19{MW-a) ~ ~33_2.26~ ~ 332.0' LOT~ 7 ~LOT ~ 6 LOT ~ S ~ % Abandonod ~B1.7 ~ ~ Monitorin~ Woll ~ ~ Gradient 330.0' ~ ¢irection ~ N ~u~ SCALE ~329.~'T T ~3.7Z' o 7o T~CT 5426 PLATE SOILS ~N~INE~IN~, lNG. Cladham Common Drive 4700 District Blvd. BAKERS~ELD CALIFORN~ ~ Bak~rafi~ld, Gk 9~ a ~n~: 7/~ GROUNDWATER G~DIENT 3/31/98 PROJE~ NHMBER: 97-8308 ~1. MW-4 ATrLEBORO AV~~-~342'0' .. 341.0' ' i a i ~ FUTUREPARK / PROP£RrtE$ I -J~ t> I , Groundwater Gradient- 0.0143'/'S15E ~~m~''~'~9.'; ' LOT17 ~ ~T 16 I LOT 15 ' __.~ ..... ~ ..... ~~ ~. ~338.0 ~ MW-5 I ~m~ ~ ~ ~ ) Mon~oring Well ~ ~ Abandoned ~.86" 337 ( "~ ~ Monitoring Well ~~ ~ ~ Grad,ent i[ t ~~~$.0' ' Direction [.~~~~ vv-~u~U~~ MW-6B SCALE N TRACT 5426 PLATE SOILS ENGINEERING, INC. Cladham Common Drive 4700 District Blvd. BAKERSFIELD CALIFORNIA Bakersfield, CA 93313 DATE: 7/6/98 GROUNDWATER GRADIENT 6/11/98 PROJECT NUMBER: 97-8308 MW-4 - - < 0.3 < 1.0 A TTLEBORO AVENUE ~CL C A ~ FUTURE PARK I <~.0'~' M LOT 11 LOT 12 [ LOT 13 '1~--~MB'20 (MW-1)~ M~ B-19 (MW-3) RESIDENTIAL MW-2A ? PROPERTIES ~-13 (MW-2) R -.~ 62.0 < 1I Approximate LOT17 LOT 16 LOT 15 I Extent of J Benzene MW-5 ~ ~ Over I ppb · -~ Monitoring Well Abandoned / < 0.3 -~ )- Monitoring Well < 1.0 ? 62 Benzene in ppb ~ DORCHESTER AVENUE (Was Maidenhead)~_~J MW'6A- ~,JvJ~ MW-6B SCALE N o.~,~ -"F'~< o.~ o ~o · < 1.0 < 1.0 I I TRACT 5426 PLATE SOILS ENGINEERING, INC. Cladham Common Drive 4700 District Blvd. BAKERSFIELD CALIFORNIA Bakersfield, CA 93313 DATE: 7/6/98GROUNDWATER PLUME 6/98 PROJECT NUMBER: 97-8308 j,MW-4 - - < 0.3 T 1.1 A TTLEBORO A VENUE CL ~ C ' L A ~ a ~ FURORE PAR,~ Dry _ ,I, LOT 11 LOT 1 ~ T 1 T - B.eO (MW ! I M B-19 (IdW-3) i', '9. : NO~ [ RESIDENTIAL I MW'2A ? PROPERTIES '-~ D 1 )-13 (MW-2)I'1 R ' + 63.0 21.0 I Approximate LOT17 LOT 16 : ~T 15 ]I,/ BenzeneEXtent of MW-5 Over I ppb Monitoring Well -~ Abandoned < 0.3 ~- Monitoring Well NA ? 8:t Benzene in ppb <1 IRPH in ppm i[ DORCHESTERAVENUE (Was Maldenhead)~ _ j MW-6A N < o a ~X~_MW-~B sc^cE 1.~ 1~ <o.a 0 70 ~ I I T~CT 5426 PLATE SOI~S ~Gl~fi~l~G, I~C. Cladham Co~on ndve 47~ Di~triot Bl~d. BA~RS~LD C~O~ Bakersfield, CA 9~13 DA~: 7~6/98GROU~WATER PL~E 3/98 PROJECT NU~ER: 97-8308 I I I Appendix A I Analytical Reports I I I I I I I I I I I I I I I Certification # 1920 Client: Project: I Soils Engineering, Inc. C&C+ 5426 4700 District Blvd. Matrix: Soil Bakersfield, CA 93313 Analyst: Mary Thomas ISampled by: R. Becker TRPH Analysis: 6/9/98 Date of Report: 6/10/98 Test: Total Recoverable Petroleum Hydrocarbons Units: mg/Kg I Tested by EPA Method 418.1 Sample #: 980421 Date Sampled: 6/9/98 Sample Description: OPL-1 *DL mg/Kg TRPH 370 50 Sample #: Date Sampled: Sample' Description: *DL mg/Kg TRPH 50 Sample ~. Date Sampled: Sample Description: *DL rog/Kg ._ TRPH 50 *DL -- Detection Limit IND - Non-Detected at given DL Laboratory Director:. Michael Riccomini 4440 Grissom St. Suite 100 Bakersfield, CA 93313 (805) 836-8100 Fax: (805) 836-8800 · Lab No. 1920 Client Name: .~'/~_ ~ Analysis Requested Matdx Project Name: ~' ~ ~" 7"~ Z ~ ~ r"l Aqueous . o~ P~ne: ~/ Proj~Manage,: · ~e~-- F~: ~,~/-~,// ~ ~ ~,~ Sampler Name: ~, ~'~ ~ ~e. ~ m Sample No. Date & Time Sampled Sample De~Hpfion & ~ntainer ~ ~ ~ o ' Comments . . ~,'~ CF( - /- ~ ~ /,~,~,'~ v ~ .~/.'~/ r} ~ - t -~ / Relinqui~ By: Date & ~me: _. , ~_. . . ~ ~ ~/~'~ ' R~eNed BY: Date&Time: R~eived By: Date & ~me: ~ " Certification # 1920 Client: Project: ISoils Inc. C&C 5426 Engineering, 4700 District Blvd. Matrix: Soil Bakersfield, CA 93313 Analyst: Mary Thomas ISa, mpled by: R. Becker TRPH Analysis: 6/9/98 Date of Report: 6/10/98 ITest: Total Recoverable Petroleum Hydrocarbons .. . Units: mg/Kg Tested by EPA Method 418.1 A,tq._O~ qi~{¢' Isample a: [ 980422/ 980423 Date Sampled: 6/9/98 6/9/98 Sample Description: ~1.5 OPL-2 *DL m~Kg TRPIt 2000 510 50 Sample it: Date Sampled: Sample Description: *DL mg/Kg TRPH 50 Sample it: Date Sampled: Sample Description: *DL rog/Kg TRPH 50 i * DL = Detection Limit ND - Non-Detected at given DL Laboratory Director: Michael Riccomini I I 4440 Grissom St. Suite 100 Chain of Custody Form Bakersfield, CA 93313 (805) 836-8100 Fax: (805) 836-8800 Lab No. 1920. Client Name: .. 5 ~ Analysis Requested Matrix ! Project Name: ~"~ C 7'",,.~L~ ~' ~' ~ ~ ~ ~ Aqueous Phone: ~ ~ g ~ ~ Other (Sp~i~) Proj~tManage~ ~, ~~ F~: ~ ~ ~ ~ ~ ~ sam....o. ~a,.~.,m.sam.,.. sam.,.o--...on~co.,.r . ~: =~,~ ~ A commen,s / ~zo OPL- z -~ ~ '~.~:~ o~-~-b / Relinquished By: ~ Dale & Time: ~ Relinquish~ By: Date & Time Received By: ~ ime "Received By: ~ Dale & Time: ~.' Certification # 1920 i Client: Project: Soils £ngineering, Inc. C&C + 5426 4700 District Blvd. Matrix: Soil I Bakersfield, CA 933t3 Analyst: Mary Thomas Sampled by: R. Becket TRPH Analysis: 6/10/98 Date of Report: 6/10/98 ITest: Total Recoverable Petroleum Hydrocarbons Units: rog/Kg Tested by EPA Method 418.1 Sample #: 980424 Date Sampled: 6/10/98 Sample Description: · OPL-3 *DL mg/Kg TRPH 540 50 Sample #: Date Sampled: Sample Description: *DL mg/Kg TRPH 50 Sample #: Date Sampled: Sample Description: *DL'mg/Kg ?RPH 50 I *DE = Detection Limit ~e~, ~,~,~ , ND - Non-Detected at given DL Laboratory Director: Michael Riccomini ,~o~=s,.s~,,. ~oo Chain of Custody Form Bakerslield, CA 93313 (805) 836-8100 Fax: (805) 836-8800 Lab No. 1920 Client Name: ,~' E -~ Analysis Requested Matrix Project Name: · ' ~ ~ [] Aqueous Address: ~ ~ ~ ~ Soil Project Manager: ~, ~C~/(.~H" Phone:Fax: ,.~.~'/°~r~ ) ~'~TM?It! ~ ~-- .~~ .~ D Other (Sp~i~) Dale & Ti~e Sample No. Sample De~p~m & ~nlainer s.=~ s ~ ~ ~ Comm~,, "' ~~I~~ " ,~ ~ """ R~e~v~ By: Dale & ~me; ~: ~ ~ Recebed By: Dale & Time: I Certification # 1920 I Client: Project: Soils Engineering, Inc. C&C + 5426 4700 District Blvd. Matrix: Soil I Bakersfield, CA 93313 Analyst: Mary Thomas Sampled by: R. Becket TRPH Analysis: 6/10/98 Date of Report: 6/10/98 I Test: Total Recoverable Petroleum Hydrocarbons Units: mg/Kg Tested by EPA Method 418.1 Sample #: 980425 Date Sampled: 6/10/98 i Sample Description: OPL-4 *DL mg/Kg i I~RPH 630 50 Sample #: Date Sampled: Sample Description: *DL ms/Kg !TRPH 50 Sample #: Date Sampled: Sample Description: *DL mlptKg TRPH 50 I *Dl.= Detection Limit ~ff.~, ~'~ ND - Non-Detected at gi~ven DL Laboratory Director:. Michael Riccomini I I I I I 4440 Grissom St. Suite100 Chain of Custody Form Bakersfield. CA 93313 (805) 836-8100 Fax: (805) 836-8800 Lab No. 1920 Client Name: 5 ~ ~-' Analysis Requested Matrix ;; Project Name: ~' A [-"] Aqueous ~ [-'] Other (Specify) Sampler Name: {~ ~)2.~z~r/ ~>~ Z ' ~-z~O(~ ~ >~ ~ Date & Time Sample Description & Container "~ ~ SampleNo. Sampled ~m ~ ~ I-n=: 3:: I~ Comments Relinquished By: Date & Time: Relinquished By: Date & Time: i Received BY: /Z~) _/'~~ Date & Time: ~/l~/~g 'i-~leceivod By: L,, ,..- . /~: ~1~/t Date & Time: Certification # 1920 Client: Project: Soils Engineering, Inc. C&C + 5426 4700 District Blvd. Matrix: Soil Bakersfield, CA 93313 Analyst: Mary Thomas Sampled by: R. Becker TRPH Analysis: 6/11/98 Date of Report: 6/11/98 Test: Total Recoverable Petroleum Hydrocarbons Units: mg/Kg Tested by EPA Method 418.1 Sample #: 980426 980427 Date Sampled: 6/11/98 6/11/98 Sample Description: OPL-5 OPL-6 *DL mg/Kg TRPH 510 360 50 Sample #: Date Sampled: Sample Description: *DL mg/Kg TRPH 50 Sample ~ Date Sampled: Sample Description: *DL rog/Kg TRPH 50 I *DL = Detection Limit ~,~ ND - Non-Detected at given DL Laboratory Director: Micl~ael Riccomini I=ladlc~n~b~t~e~ ~ ~ ~ · ,o~,~,.~u,,~,0o Chain of Custody Form ~kemfield, CA 9~13 (805) ~8100 F~: (805) ~88~ ~ No. 1~0 Client Name: ~ ~_ ~ ~b R~uested Mat,x P,~ Name: ~ ~ ~~ ~- o-- ~ Aqu~us Addr=: ~ = Soil Phone: ~ ~ ~ ~ Other(Sp.i~) Proj. Manage. ~. r) ~ L~'~ F~: Date & Time Sample De~pfi~ & Container Sample No. Sampled ~ ~ ~ ~[ ~ ~ Comments Relinquished By: Dale & ~me: ~ .Relinquish~ By: Dale & Time: ~:(~ R~eked By: Date & Time: R~eiv~ By: Date & ~me:~ ~ Certification # 1920 Client: Project: I Soils Engineering, Inc. C&C + 5426 4700 District Blvd. Matrix: Soil Bakersfield, CA 93313 Analyst: Mary Thomas I Sampled by: R. Becker TRPH Analysis: 6/11/98 Date of Report: 6/16/98 i Test: Total Recoverable Petroleum Hydrocarbons Units: mg/Kg Tested by EPA Method 418.1 Sample #: 980428 980429 Date Sampled: 6/11/98 6/11/98 Sample Description: OPL-7 OPL-8 *DL rog/Kg TRPH 550 530 50 Sample #: Date Sampled: Sample Description: *DL mg/Kg TRPH 50 Sample #: Date Sampled: Sample Description: *DL mg/Kg , TRPH 50 *DL-- Detection Limit I ND - Non-Detected at given DL Laboratory Director: Michael Riccomini I I I I I I I mO ~=om S,. Sm ,oo Chain of Custody Form Bakersfield, CA 93313 (805) 836-8100 Fax: (805) 836-8800 Lab No. 1~20 o --- Aqueous Date & Time ~ ~ ~ ~ Commen~ ,. Sample No. S~pled Sample Deception & Container ~ ~ ~ ~ o '1 R~eived By: '~ ~ < Date & ~me:// ] ~.'~ R~e~ed By: Certification # 1920 Client: Project: Soils Engineering, Inc. C&C + 5426 4700 District Blvd. Matrix: Soil Bakersfield, CA 93313 Analyst: Mary Thomas Sampled by: R. Becket TRPH Analysis: 6/12/98 Date of Report: 6/16/98 Test: Total Recoverable Petroleum Hydrocarbons Units: mg/Kg Tested by EPA Method 418.1 Sample #: 980430 980431 Date Sampled: 6/12/98 6/12/98 Sample Description: OPL-9 OPL-10 *DL rog/Kg TRPH 750 855 50 Sample #: Date Sampled: Sample Description: *DL mg/Kg TRPH 50 Sample #: Date Sampled: Sample Description: *DL mg/Kg TRPH 50 I *DL= Detection Limit ND - Non-Detected at given DL Laboratory Director: Michael Riccomini I I I I I I I ~0~s,.s,,~,~ Chain of Custody Form ~kemfleld, CA 9~3 (~5) ~81~ F~: (805) !Cliff N~e: ~ ~ ~ ~ R~uested Mat~x Sample No. Date &~ime S~pled Sample D~dp~ & Container ~ ~ ~ ~ ~ Commen~ ! Certification # 1920 i Client: Project: Soils Engineering, Inc. C&C + 5426 4700 District Blvd. Matrix: Soil I Bakersfield, CA 93313 Analyst: Mary Thomas Sampled by: R. Becket TRPH Analysis: 6/15/98 Date of Report: 6/16/98 ITest: Total Recoverable Petroleum Hydrocarbons Units: mg/Kg Tested by EPA Method 418.1 Sample #: 980432 Date Sampled: 6/15/98 Sample Description: OPL-11 *DL mg/Kg TRPit 910 50 Sample #: Date Sampled: Sample Description: *DL mg/Kg TRPH 50 :Sample #: 'Date Sampled: .Sample Description: *DL mg/Kg ~5 TRPH 50 I *DL = Detection Limit , ND - Non-Detected at given DL Laboratory Director: Michael Riccomini I I I · ,o as,.su,o,oo Chain of Custody Form Bakersfield, CA 93313 (805) 836-8100 Fax: (805) 836-8800 Lab No. 1920 Client Name: ~ ~._.7"' Analysis Requested Matrix Project Name: ~ ~ &" 7'-'3"7~ ~)o/ ~' "' ' E! Aqueous Project Manager:. f, ~ d' ~/~ ]----- Fax: ,.~_~ I - Z / I / ~,~ g El Other (Specily) Sampler Name: Sample No. Date & Time ,,~ ,,, Sampled Sample Description & Container ~ ~ i-~~13: Comments Relinquished By: /~ ' ,' Date & Time: F~"~ /.:;.~.~.. Relinquished By: Date & Time: Received B '-,t"]~(~_~ '_ Date & Time: eceived By: Date & Time: Certification # 1920 Client: Project: I Soils Engineering, Inc. C&C + 5426 4700 District Blvd. Matrix: Soil Bakersfield, CA 93313 Analyst: Eric Wisdom I Sampled by: R. Becket TRPH Analysis: 6/16/98 Date of Report: 6/16/98 iTest: Total Recoverable Petroleum Hydrocarbons Units: mg/Kg Tested by EPA Method 418.1 Sample #: 980433 Date Sampled: 6/16/98 Sample Description: OPLol2 *DL my/Kg I~RPH 400 50 Sample #: Date Sampled: Sample Description: *DL my/Kg TRPH 50 Sample #: Date Sampled: Sample Description: - *DL my/Kg TRPH 50 *DL = Detection Limit I ND - Non-Detected at given DL Laboratory Director: Michael Riccomini I I I I I 1 I Lab No. 1920 ;lient Name: ~: ~ ~ Analysis Requested Matrix Pro~ect Name: ~ ,~ [-'] Aqueous Pr°ject Manager' Sampler Name: Sample No. Date Sampled Sample Description & Container ~ = ~ ~ ~ -~ Comments Relinquished By: ' ~~ ~ Date Relinquished By: Dale & Time: ., ,,~ , & T,me: ,, Received By: ~'~'--.f..~/_ /ti, ~'] , ,/~/'////'/).~'h,~/, lin'/ Date& Time:~/,~/~2~,~ Received By: Dale & Timei Certification # 1 9ZO Client: Project: m Soils Engineering, Inc. C&C + 5426 4700 Disu-ict Blvd. Matrix: Soil Bakersfield, CA 93313 Analyst: Eric Wisdom ISampled by: R. Becker TRPH Analysis: 6/16/98 Date of Report: 6/16/98 Test: Total Recoverable Petroleum Hydrocarbons Units: my/Kg I Tested by EPA Method 418.1 Sample #: 980434 Date Sampled: 6/16/98 Sample Description: OPL-13 *DL my/Kg TRPH 550 50 Sample #: Date Sampled: Sample Description: *DL my/Kg TRPH 50 Sample #: Date Sampled: Sample Description: *DL my/Kg TRPH 50 *DL = Detection Limit ~~. ~ I - ND - Non-Detected at given DL Laboratory Director: Michael Riccomini I I I I I I I l~lc~n~b~t~~ m, ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ · .o~ms,.~u,,oo Chain of Custody Form ~ke~eld, CA 9~13 (805) ~81~ F~ (805) ~ ~ No. 1~0 Client Name: ~ ~.~..~ Analysis Requested Matrix Project Name: .-.' Project Manager:. ~C (' 'Fax: Sampler Name: ~, ~'!~ Z,. ,,'""""°' .,,..,',m.sa,,,.,,,,, S,,m,~,.o...,,p,,o.,,co.,.,.., ~ ~ ~-i Comm.n~ ..,,..,u,sh.,,,.,,: Il_ : .... ~ t, [./?~,/~- r~I/?.(L4~,~ Dale& Time: I;~'.~(~j~p Relinquished By: Date& Time: ' ' "/ Received By: Dale & Time: Received By: ~' Date & Time:411h Certification # ] 920 Client: Project: I Soils Engineering, Inc. C&C + 5426 4700 District Blvd. Matrix: Soil Bakersfield, CA 93313 Analyst: Eric Wisdom I Sampled by: R. Becker TRPH Analysis: 6/16/98 Date of Report: 6/16/98 iTest: Total Recoverable Petroleum Hydrocarbons Units: mg/Kg Tested by EPA Method 418.1 Sample #: 980435 Date Sampled: 6/16/98 Sample Description: OPL-14 *DL mg/Kg TRPH 990 50 :Sample #: ;Date Sampled:. Sample Description: *DL mg/Kg TRPH 50 Sample #: Date Sampled: Sample Description: *DL mg/Kg 'TRPH 50 *DL = Detection Limit I ND - Non-Detected at given DL Laboratory Director:. Michael Riccomini I 1 1 1 1 I I ................ C~st dy ~m~,,~s;m.s,,m m m m m m m m m m mmchm~ om~ m m m aa~e~s~e~d, CA 93~3 (Sos) ~3~00 Fa~: (SOS) ~3S-8SO0 ri 0 Fo(m Lab No. 1920 [CiientName: -' Analysis Requesled Matrix Pr°jecl Name: ?,~C ~ Addr~,~: ~ Soil Sampler Name: g C ~' ~ ~ = ~. . Sampled Sample Description & Container ~ [ ~ ~ Comments '' 'a O~L Iq-r~ / Relinquished By: //~ - ',_ JO Date & Time: Relinquished By: L.-/~ I ~,,r/~ao.,,~ 5~; Date & Tim.: .~eivedBy: ~~~ ~~ Date&Time:~O~:~ ' Received By: Dale&Time: Certification # 1920 Client: Project: I Soils Engineering, Inc. C&C + 5426 4700 District Blvd. Matrix: Soil Bakersfield, CA 93313 Analyst: Eric Wisdom I Sampled by: R. Becker TRPH Analysis: 6/17/98 Date of Report: 6/18/98 iTest: Total Recoverable Petroleum Hydrocarbons Units: mg/Kg Tested by EPA Method 418.1 Sample #: 980436 Date Sampled: 6/17/98 Sample Description: OPL-15 *DL mg/Kg TRPH 880 50 Sample #: Date Sampled: Sample Description: *DL mg/Kg TRPH 50 Sample #: Date Sampled: Sample Description:' *DL mg/Kg ,: TRPH 50 i *DL = Detection Limit ND - Non-Detected at given DL Laboratory Director: Michael Riccomini I 1 I I 1 I I ~.,,,,.,~. c~,~,~ (~o~ ~-~,oo F~x: <~o~ ~..oo -, Form Lab No. 1920 Client Name: Analysis Requested Matrix Project Name: ~" ~ ~'~ ~ ~ !~' r-I Aqueous Address: Sampler Name: < ,< ! _.. Sample No. Date & Time Sampled Sample Description & Container Relinquished By: ~/~ Date&Time:~//~,/4:~,~?:~[ Relinquished By: Date&Time: R~ceNed By: Date ~ 80RATORIES I iApril 17, 1998 I BOB BECKER SOILS ENGINEERING 4700 DISTRICT BOULEVARD I BAKERSFIELD, CA 93313 Subject: Laboratory Submission No.: 98-03616 Samples Received: 03/31/98 The samples(s) listed on the Chain of Custody report were received by BC '~ I Laboratories, Inc. on 03/31/98. Enclosed please find the analytical data for the testing requested. If you have any questions regarding thms report please contact me at (805)!i~'27~L4-911, Any unused sample w~ll be stored on our premises for a minimum of 30 days (excluding bacter~olog~cals) at which time they w~ll be d~sposed unless otherwise I at the time of A fee of $5 requested sample receipt. disposal per sample may apply for solid sample matrices. I Please refer to submission number 98-03616 when ca£ilng Client Services '. '. BC Laboratories, Inc. ,. ! ~:,~?,:.:. "..:. '..' :'i .,_.....'.,:.::.,!:~ ' '.!';' !':i. :} .. :,.:?:~ I ~:. :,i',,'..: :i.'. ·' :' ' · '.i .,.~: '.':~ .:. i~ ' ' -' ~ ~ "- ;"': ' "', :'.' .. ':., ..~'i; 41 ~ Atlas Ct. · Bakersfield, CA 93308 · (805) 327-491 I · FAX (805) 32~-1 91 8 m m m m mm m Name: ,~'F_..~C" Project: (~_'(r'~-T',5'q Address: q~0 ~)F,.(~ r~ Project #: ,~.~0oc' ~ ,~' City: (~lx¢~-~,~ Sampler Name:_ State: ~"]~_ Zip:'~31.,? ,J~ t~4.~(¢~'" Attn: g~ i~c~v" z Phone: -~ ~ ~ -Og~ Comments: Report Drinking Water U/o,,~ J' u,~ ~, ~ --~_. Name: .~'[.~!'- on State Form ? Y/N Send Copyto YiN Address: ~5 ~0~ State of CalU. State Zip Received by: (Signature)/, ~ate: ~me: A~ention: '~OZ ',igna, re) Received by: (Signa, re) ~ 'J -1 Date: ~me: Relinquished by: (Signa~re) Received by: (Slgna~re) Date: ~me: ~me · Miles: Flat . Relinquished by: (SlgnA~re) Received by: (Slgna~re) Date: ~me: Equipment: Rate' Revised 5/97....Sample Disposal by BO Labs may be billed at $5.00 / sample for non-aqueous Samples: LA~ORATORIES IN(::. SAMPLE RECEIPT FORM R.v. No.~ ~,'7~9e Page __ Of Submission #: Project Code: SHIPPING INFORMATION SHIPPING CONTAINER / / Federal Express F'I UPS 1'3 Hand Delivery I~ Ice Chest [7' None [] BC Lab Field Service [] Other r'l (Specify) Box I-I Other rq (Specify) Refrigerant: Ice [:3 Blue Ice I~' None [] Other I::] /Comments: Custody Seals:l~:i:~::ii'~'~:~i~::::iiiii?~ii~il.j Ii}~i~:~:~i~:~:~iii~::~::~::~iiiii:~i}il None [3/ Comments: All samples received'/ yes~No Q All samples containers intact? Yes~ ~ Description(s) match COC7 Yes Temperature: ~ ~. ~ "C Temperature: °C Thermometer ID: ' '~- Thermometer ID: Emi==iviw ~' ~ ' Emissivity ? Container '~. ~' ~/t ~' ~j ~/ Container SAMPLE NUMBERS SAMPLE CONTAINE~ !' t' I' I' I' I' I' I' l' I'= I' I" I' I ' I' t' I ' I" I ' I ' I ' I QT GENERAL MINERA~ GENERAL PHYSICAL PE UNPRESERVED iI I PLASTIC BAG i Completed b¥~ IF:~W~OU-A~ .1:)0¢$~ Page 1 80RATORIES Purgeable Aromatics (EPA Method 5030/8020) I SOILS ENGINEERING Date Reported: 04/13/98 4700 DISTRICT BOULEVARD Date Received: 03/31/98 BAKERSFIELD, CA 93313 Laboratory No.: 98-03616-1 I Attn: BOB BECKER 805-831-5100 Project Number: C&CT5426 (8308) Date Collected: 03/31/98 ~ 02:lSPM Sample ID: MW-2A Date Extracted: 04/06/98 ISample Matrix: Groundwater Date Analyzed: 04/06/98 Sample Collected By: BOB BECHER I Practical Analysis Reporting Quantitation Constituents Result s Unit s Limit I Benzene 63. ~g/L 0.3 Toluene None Detected ~g/L 0.3 Ethyl Benzene 80. ~g/L 0.3 i Total Xylenes 220. ~g/L 6. Surrog.ate % Recovery 90. % 70-130 I I ' Note: PQL's were raised due to high concentration of~ target ~a'~tes ' ~:~ s~le dilution. Stuart G Buttr~ '~:~'.~:[~;<~¥~,?.~ ..,-~-~,~....~?,-~.~.~ '::~:~-.~.~'~'~.,,'~ ,'~?':~:~'~:~/.'~,~ · " Department Supe~i sot '%?~':~ ~ '~, ,~ ~ ~ '~ ~'~::~' ~?~::~ -,~:,~,~.~,~ msufls Ilat~ In this m~ are for ~ exclue~ u~ ~ ~ lubm~ ~. BC ~. IK. a~u~ no ms~lMl~ fM m~d i~m~. ~mflon. demch~nt or ~lffi ~ In~. Page Purgeable Aromatics (EPA Method 5030/8020) I SOILS ENGINEERING Date Reported: 04/13/98 4700 DISTRICT BOULEVARD Date Received: 03/31/98 BAKERSFIELD, CA 93313 Laboratory No.: 98-03616-2 Attn: BOB .BECKER 805 - 831 - 5100 Project Number: C&CT5426 (8308) Date Collected: 03/31/98 ® 01:iSPM I Sample ID: MW-4 Date Extracted: 04/03/98 Sample Matrix: Groundwater Date Analyzed: 04/03/98 Sample Collected By: BOB BECHER I Practical Analys i s Report ing Quant i t at ion Con s t i tuent s Re sul t s Unl t s Limit I Benzene None De'tected ~g/L 0.3 Toluene . None Detected ~g/L 0.3 Ethyl Benzene None Detected ~g/L 0.3 ITotal Xylenes None Detected .~g/L 0.6 Surrogate % Redovery 84. Department Supe~isor IORATORIES Page 1 Purgeable Aromatics (EPa Method 5030/8020) ~ SOILS ENGINEERING Date Reported: 04/13/98 4700 DISTRICT BOULEVARD Date Received: 03/31/98 BAKERSFIELD, CA 93313 Laboratory No.: 98-03616-3 Attn: BOB BECKER 805-831-5100 Project Number: C&CT5426 (8308) Date Collected: 03/31/98 ~ 01:30PM I Sample ID: MW-5 Date Extracted: 04/03/98 L Sample Matrix: Groundwater Date Analyzed: 04/03/98 ' Sample Collected By: BOB BECHER Practical ' Analys i s Repot ting Quant i t at ion Constituents Results Units Limit ~ Benzene None Detected ~g/L 0.3 Toluene None Detected ~g/L 0.3 Ethyl Benzene None Detected ~g/L 0.3 ,~ Total Xylenes None Detected ~g/L 0.6 L Surrogate % Reco%fery 82. % 70-130 I i ~ 41 ~ A~Ien Ct. · Bakersfield, CA ~3~0~ · [~05} ~7-4911 · FAX lB05] 3~7-1 91 8 I 41 ~A~lna ~. · Bakensfield, CA ~0~ · {~05} ~7-491 I · FAX lB05) 3~7-1 91B BORATORIES Page Purgeable Aromatics (EPA Method 5030/8020) I SOILS ENGINEERING Date Reported: 04/13/98 4700 DISTRICT BOULEVARD Date Received: 03/31/98 I BAKERSFIELD, CA 93313 Laboratory No.: 98-03616-5 Attn: BOB BECKER 805-831-5100 Project Number: C&CT5426 (8308) Date Collected: 03/31/98 ~ 01:45PM I Sample ID: MW-6B Date Extracted: 04/04/98 Sample Matrix: Groundwater Date Analyzed: 04/04/98 Sample Collected By: BOB BECHER I Practical Analysis Reporting Quantitation Constituents Results unit s Limit I Benzene None DeteCted ~g/L 0.3 Toluene . None Detected ~g/L 0.3 Ethyl Benzene None Detected ~g/L 0.3 I Total Xylenes None Detected ~g/L 0.6 Surrogate % Recovery' '82.~ ~ ~ % '{~ 70-130 Depart me nt Supe~isor ~,~ ':~ 'f ~ . -:::~-::. BORATORIES Page 1 Total Petroleum Hydrocarbons I ENGINEERING Date Reported: SOILS 04/13/98 4700 DISTRICT BOULEVARD Date Received: 03/31/98 BAKERSFIELD, CA 93313 Laboratory No.: 98-03616-1 I Attn: BOB BECKER 805-831-5100 Project Number: C&CT5426 (8308) Sample ID: MW-2A I Sampling Date/Time: 03/31/98 ~ 02: 15PM Sample Collected By: BOB BECHER I Method Constituents Sample Results Units P.Q.L. Method IOil and Grease 21. m~g/L 1. EPA-413.1 ! I. ~l insulin IIs~ In ~ m~d are for ~ exdus~ u. ~ ~ su~ ~. BC ~, I~. ~ ~ ms~iffil~ ~ ~ ~...raU~, ~mch~nl or ~1~ ~ Inte~m~. 41 IORATORIES Page Total Petroleum }{ydrocarbons I SOILS ENGINEERING Date Reported: 04/13/98 4700 DISTRICT BOULEVARD Date Received: 03/31/98 BAKERSFIELD, CA 93313 Laboratory No.: 98-03616-2 I Attn: BOB BECKER 805-831-5100 Project Number: C&CT5426 (8308) Sample ID: MW-4 I Sampling Date/Time: 03/31/98 ~ 01:15PM Sample Collected By: BOB BECHER I Method Constituents Sample Results Units P.Q.L. Method IOil and Grease 1.1 mg/L 1. EPA-413 ! Califo~i .S. C 186, Department Supe~isor "~*~ ~1 ~ A~Iss O~. · Sakens¢ield, CA 93308 · [805) 327-491 I · FAX lB05) 3~7-1918 90RATORIES Page Total Petroleum Hydrocarbons I SOILS ENGINEERING 04/13/98 Date Reported: 4700 DISTRICT BOULEVARD Date Received: 03/31/98 BAKERSFIELD, CA 93313 Laboratory No.: 98-03616-4 i Attn: BOB BECKER 805-831-5100 Project Number: C&CT5426 (8308) Sample ID: MW-6A I Sampling Date/Time: 03/31/98 ~ 02:00PM Sample Collected By: BOB BECHER I Method Constituents SamDle Results Units P.O.L. Method IOil and Grease 1.5 mg/L 1. EPA-413.1 ! Calzf~ H.S. C 186, Stuart G. Buttr~ ~x~;~'~t~ 4~ ~A~Is~ C~. · Bsk~sfield, BA S3S08 · (8~5) 3~7-~ ~ · ~AX (805) 3~7-~ S~ 8 )RATORIES Page Total Petroleum Hydrocarbons SOILS ENGINEERING Date Reported: 04/07/98 4700 DISTRICT BOULEVARD Date Received: 03/31/98 BAKERSFIELD, CA 93313 Laboratory No.: 98-0361.6-4 Attn: BOB BECHER 805-831-5100 Project Number: C&CT5426 (8308) Date Collected: 03/31/98 ~ 02:00PM Sample ID: MW-6A Date Extracted-8015M(d) : 03/31/98 Sample Matrix: Groundwater Date Analyzed-8015M(d): 04/02/98 Sample Collected By: BOB BECHER Practical Analys i s Report ing Quant i tat ion Constituents Results Units Limit Total Petroleum Hydrocarbons (diesel) None Detected ~g/L 200. Surrogate % Recovery 98. % 51-130 TEST METHOD: TPH by D.O.H.S. / L.U.F.T. Manual M~thod - Modifie EPA 8015 Cai H. 186, Department Supe~isor ' ':~'.~'~e~ · ':~ "~"'~'"~' ~ -'%~ dun-~9-98 03:34;m From-BC Cabs 8053U0750 T-916 P.OZ/14 F-090 Page ~BORATORIES Pur~ea~le Aromac~cs and Tocal Petroleum Hydrocarbons SOILS ~NGI~RING Daue ReporTed: 06/29/98 4700 DISTRICT ~OULEVARD Dace Received: 06/11/98 ~FI~, ~ 9~313 ~raco~ No.: 98-06689-1 Accn: BO8 ~Z~R 805-831-5100 ~ro~ecc N~er: C/~ 5%26 (~8308) Dace Collecced: 06/11/98 ~ 03:30PM ~le ID: ~-iA Daue E~racced-8020: 06/20/98 S~ple ~crix: G~o~dwacer ' Dace ~alyzed-8020: 06/20/98 S~e C~~ ~: ~S ~N~Z Dace ~xtrac=ed-801~M(~): 06/20/98 Dace ~alyzed-801SM(g): 06/20/98 Pr~cci~al ~enzene 8.9 Mg/L 0. Toluene N~e De:et:ed M~/L 0. ~hyl Benzene 3. ~ Mg/L 0. To~al Xylenes 1.1 Mg/L 0. Tocal Pecrole~ Hydroea~b~s (gas) . 79. MD/~ 50. Surrogace % Reuove~ 76. % 70-130 ~ST ~OD: TPH by D.O.H,S. / L,U.F.T. ~ual ~uh~ - ~difiea EPA Individual c~scicuencs ~ ~A ~ ~030/8020. Scu~rr G. ~uccr~ Depar=men: . Supe~isor IA II ~,8su~s t~'Ted m t~ ~ ,Ye, for'me e,,"luSn~i, us~ c~ 131e sulsm4~ pa,~(. B(: ~. P'ic ilSa41~eS flO rr,.~O~DIil~ for reOml IITmagoft. semiratlon. (;i~ac~n"mnl oi' th~ pa~/,meq~a~0A. 41 O0 Amla~ ~: · Bal<ermf~,el(3. CA E~3:~)B .. (BO~) 327-~91 I · FAX (~::3b] ~4;~-7-1 91B Jun-Zg-98 a3:35pm From-BC Labs ga$3270750 T-915 P.a3/14 F-ago Purgeable ~omanics SOILS RNGI~ERING Date Reported: 06/29/98, I4700 DISTRI~ ~OULEVARD Date Received: 06/11/98' ~%KERSFIE~, ~ 93313 L~ora=o~ No.: 98-06689-2 Atun: BOB BEC~R 808-831-5100 iProjeeu Number: C/~ 5426 (#8308) D&:e Collec:ed: 06/11/98 ~ 03:40~M S=ple ID: ~-2A Dace ~=rac=ed-8020: 06/22/98 S~ple ~urix: Gro~dwa:er Dace Ar~lyzed-8020: 06/22/98 Sam~ ~llec~dB~ CHRIS ~N~I~T...EZ DaCe Extracued-801SM(~): 06/22/98 i Da:e ~alyzed-8015M(g}: 06/22/98 Prac=£cal Con~=i=uen=~ Re~ult~ Units Benzene 62. Mg/L 0.3 IToluene N~e De=eu=ed ~g/L 0.3 Euhyl Benzene . 26. Mg/L 0.3 To=al ~lenes ' 27. ~g/L 0.6 Total Peurole~ I~ocarbons (gas) 290. Mg/L SO. Surroga:e % Recove~ ' 89. % 70-130 . In~vi~al cons=£:uen:s ~ ~PA ~th~ 5030/8020. ~ore: Sample ~hromacog~ nor t~c~l of ~sol~. '.. ~ License: ~0345 9c~r~ G. I Department ~upe~isor Jun-29-98 03:35pm From-BC Labs 80532?0?50 T-gl$ P.04/14 F-O90 BORATOR~I~S ~age ~urge~b3, e a-roma~:£ cs and. Total Petroleum SOILS ~NGIN~RING 4700 DISTRI~ BO~~ Da=e Received: 06/11/98/ ~RSFI~, ~ 93313 ~ora=o~ No.: 98-06689-3 Pro3ec= N~er; C/~ 5426 (~8308) Date Collected: 06/11/98 % 02:50PM S~ple ID: ~-4 Da:e ~x=rac=ed-8020: 06/20/98 S~ple ~=rix: Gro~dwa=er Date ~lyzed-8020: 06/20/98 S~ple Collected By: ~RIS ~N~Z Date R~racted-8015M(~): 06/20/98 Da~e ~atyzed- 8015M {~): 06/20/98 ~rac=ical Cons~z ~uen~ R9 Benzene N~e De~ec~ed M~/L 0.3 Toluene ' N~e Detected Mg/L 0.3 E=hyl Benzene None De=ec=ed To=al Xylenes N~e De=ected M~/L O. 6 Toual Pe=role~ Hydrouar~ns (~as) N~e De:ec~ed M~/L 50. Surroga=e % ~cove~ ' ~$T ~0D: TP~ by D.O.H.S. / h.U.F.T. ~1 ~=hod - ~i~ied HPA 8015 Individual cona=~=uenta ~ ~PA ~=ho4 ~030/8020. . AZ L$~en~: ~0345 Departmen= Supe~isor Jun-Zg-g8 03:35pm From-BC Labs 8053270750 T-gl$ P.05/14 F-ogo 80RATORIES Page 1 Purgeable Aromatics and To=al ~e=roleum Hydrocarbons SOILS £NGIN~RING Da=e Repot=ed: 06/29/98, ~700 DIS~I~ BO~~ Da=e ~eceived: 06/11/98 ~FI~, ~ 93313 ~ora=o~ No.: 98-06689-% A=un: BOB BEC~R Pro~ec= N~er: C/~ 5426 (%8308) Da=e Collec=ed: 06/11/98 ~ 02;35PM S~le ID: ~-S Da~e Exuraeue~-8020: 06/20/98 s~le ~ur=x: Gro~dwa~er Date ~alyzed-8020: 06/20/98 s~91e Collected By: ~RIS ~N~I Da~e Ex~rac=ed-801~M(g): 06/20/98 Da=e ~alyzed- 801SM (g): 06/20/98 Benzene N~e De=et=ed Hg/L 0. Toluene None De~ec=ed ~g/L 0.3 Euhyl Benzene · None De=ec=e~ Hg/L .0.3 Toual XyleneS None De=eu=e~ ~g/L 0.6 Toual P~role~ Hydrocar~ns (~as) No~e De=ec=ed Hg/L ~0. Surroga=e % ~cove~ 89. % 70-1~0 ~ST ~OD: TP~ by D.O.'H.S. / L.U.~.T. ~ual ~ - ~dif~ed EPA 8015 I~dSv~dual c~sci=uenc~ by ~PA ~=h~ 5030/8020. .. " 6, ~ L~cense: ~03~S 41 (~0 AI;,O~ C~; - Bakarst,~lc~. C~A ~)'~iC3B · .rSCJ~J ~2"/-491 I · FAX [l~i)~J ~7-1 ~1 8 Jun-gg-g8 03:35pm From-Bt Labs 80532?0?50 T-gl6 P.05/14 F-OgO BQRATORIES ~age Purgeable Ar_~m..._acics and Total Petroleum Hydrocarbons SOILS ENGINEERING Dace Reporce~: 06/29/98 4700 DIS~I~ BO~V~ Dace ~ceived: 06/11/98 ~RSFIE~. ~ 93313 L~orato~ No.: 98-06689-5 ArCh: 50~ BE~R 805-831-5100 Project N~er: C/~ ~426 (%8~08) Da~e Collected: 06/11/98 S~le ID: ~-6A Da~e Ex=rat=ed-8020: 06/22/98 S~la ~=rix: ~ro~dwa=er Date ~alyzed-8020: 0~/22/98 S~la Collected By: ~S ~N~Z Date Ex=rac=ed-801~M(g): 06/22/98 Da~e ~alyzed-801~M(~): 06/22/98 Pracuical Senzene 0.58 Mg/L 0.3 Toluene None De:ec:ed Mg/L 0.3 ~:hyl Benzene 0.39 ~/L 0.3 Total Xylenes None Deter=ed MG/L 0.6 Hydrocarbons (gas) None Dececced Mg/L 50. Surrogate % ~cove~ ' 89. % 70-130 Individual constituents by ~PA ~:hod S030/8020. . ~ Licen~: ~0345 S~a~ G. Buccr~ Department Supe~isor Jun-Zg-g8 03:36pm From-BC Labs 8053270750 T-gl6 P.OT/14 ;-ogo ~u~geable and Total Petroleum Hydrocarbons ~OILS ~GI~RING Dane ~epor=ed: 06/2~/~8 %700 DIS~I~ ~0~~ Da=e Received: 06/11/98/ ~FIE~, ~ 9331~ ~ra=o~ No.: 98-06689-6 A==n: DO~ ~E~R 805-8~1-5~00 9roiec~ ~: C/~ 5i26 (~8308) Da~e Collected: 0~/11/98 ~ 03:0SPM S~ple ID: ~-6~ Da=e Ex=rat=ed-8020: 06/20/98 S~ple Maurix: Gro~dwaner D~=e ~alyzed-8020: 06/20/98 S~le Collec=ed By: ~RIS G0~Z Da=e ~rac=ed-8015M(g): 0g/20/98 D~=e ~alyzed-8015M(9); 0~/20/98 Practical Benzene None ~e~ec~e~ Hg/L O. B Toluene None D~tec=ed Mg/L O, 3 ~uhyl Benzene None De=euted Mg/L 0.3 To=al Xylenes N~e Decec=ed ~/L 0.6 Total Pe~ole~ .. Hy~ocarb~s (gas) None De~ecued ~g/L 50. Surroga=e % Recove~ ' 87.' % 70-130 '. ~ST ~0D: TPH ~ D.O.H.S. / L.U.F.T. ~ual ~h~ - Modified EPA 8015 Individual constzcuen~s ~ ~PA ~=hod 5030/~020. . '- '" , ~ Licen~: ~0~5 ' S~uar~ G. Bu~tr~ Depar=men: Supe~isor '. ri ~ ~_!_,,~_ ui ihd Ivgof. l ~ for tim c~lu,11ve u~e ol ~ ~ pm'q. BC t,~oratof~e~. Inc. e.'J~.-'..nwg no f~Pd(~lhldv ~ reom~ al~*a~o~, sepirahon, dma~tmmnt or m, rg pm'fy I .mm*Wcm~a. 41 (DO Aclas ~ . Bekecsr,elo. CA 99'~(D8 · CB05) ~:~')-4911 · FAx (El05] 327-1 91 8 Jun-Z9-98 03:36;m From-BC Labs 8063270750 T-916 P.08/14 F-090 Pur~eablean~Omat ics i ~otal ~e:roleum Hydrocarbons SOILS ENGINEERING D&=e Reported: 06/29/98 m %700 DISTRICT BOULEVARD Date Received: 06/11/9~' m ~ro]ecu Number: C/CT 5426 (~8]08) Date Collected: 06/11/98 · SamDle ID= TRAVEL BLANK Date ExKrac:ed-8020: 06/20/98 I sample Matrxx: Groundwater Date Analyzed-8020: 06/20/98 SamDle Collected By: CHRIS GONZALEZ I Analys · s l~epo,~ing (~.tanti t at ion I Cons=iuuen=~ Benzene N~ne Detected .g~ ~.~ Toluene No~e Detec~e~ · Ethyl Benzene None De:ecced Mg/L 0.] · Total Xylenes None De=cc:ed . Mg/L 0.6 -- Surrogate % Recovery 85. % 70-1~0 I TEST METHOD: TPH by D.O.H.S. / L.U.~.T.'Manual Method - Modif&ed EPA 8015 -- Ind£~idual constituents by EPA Me~hod 5030/8020. ! I ' ' I Cal .S. AZ License: AZ0~5 .. Deparumen~ Superv%sor ~100A~IC,~ ~---~. - ~a~eosf, e~o. t"'A ~3~ ~ .(~0~) 32~7-A91 I - FAX {C::;O~J 3~7-9 91 8 Jun-Zg-98 e3:36pm From-BC L~bs 8053270750 T-916 P.09/]4 F-090 To~al Petroleum Hydrocarbons I SOILS ENGINEERING D&:e Reported: 06/29/98 4700 DISTRICT BOULRVARD Date Received: 06/11/98 ~J%K~RSFI£LD, CA 93313 Laboratory No.: 98-0668971 I At=n: BOB BEC~ER 805-831-5100 ProjeCt Number: C/CT 5426 (#8308) Sample ID: MW-lA ISampling Dace/Time: 06/ZZ/98 ~ 03:30PM Sample Collected By: C~RIS GONZAT~Z Con ,, ~ __ Gam~%9 Resulc~ Units Total Recoverable Petroleum IHydrocarbons No~e Detected mg/L 1.0 ~A-%18.1 iNote: Sample received ag pH ~ 8. *. .,., Ca~~186, AZ LiCense: bcD'ar=men= Supervisor Jun-Zg-g8 O3:3?pm ;rom-Be Labs 8053270750 T-916 P12/14 ;-OgO ul30RATORIES Page Total Pe=roleumh~droc&rbons SOILS BNGINE£RING D&=e l~epor=ed: 06/29/98 %700 DISTRICT BOULEVARD BAKERSFIELD, ~ 9131] ~ra=o~ No.: 98-06689-% A~cn; BOB ~E~ 805-8]1-~100 / P~ojec= N~r: C/~ ~426 (%8308) S~ling Da=e/Time: 06/11/98 ~thod To=al ~cover~le Hydroearb~s . None Noue: S~le received ac pH = 8. .. Department Supe~isor '.'.. Jun-zg-$8 03:3?pm From-Be Labs 80532?0?50 T-916 P.13/14 F-090 tOHATI3RIIES Total Pe;roleum Hydrocarbons I SOILS ENGINEERING Date Reported: 06/29/98 4700 DISTRICT BOULEVARD Da;e Received: 06/11/98 BAKERSFIELD. CA 9331~ Laboratory No.: 98-06689-5 Ar:n: BOB B~C~R 805-831-5100 / I Pro3ec= NUalber: C/CT 5426 (~8308) Sample ID: MW-6A iSampling Da;e/Time: 06/11/98 ~ 03:20PM Sample Collecued ~y: CHRIS GONZALRZ Toual Recoverabl~ Peurol=um IHydrocarbons No~e pe=ected mg/L 1.0 EPA-418.1 Note: Sample rece&ved at pH= 8. · "' AZ Lic~: .,u~Z0345 suuaru G. B~curam I Depar;men; Supervisor '. FAX IEiC)~) ."=J~7-1 Et1 ID, Jun-Zg-g8 O3:3?pm From-BC Labs 80532?075'0 T-g1$ P,14/14 F-ogo ,BORATQRIE~ Total Penroleum Hydrocarbons Page BAK~PI~, CA 93313 Labora=ory No.; 98-Q6689-6 A:=~: BOB B~R 805-831-510Q ,' S~l~ng ~ace/Time: 06/11/~8 ~ 03:0~PM S~le Collec=ed By: ~IS Hy~ocar~s N~e me~ec~ed mg/L 1.0 RPA-418.1 No=e: S~ple received at pH = 8. S:uar~ O. Degarcmen: Supe~isor " prOject: Address: ~'700 Project #: i~ ~ ~o -~ Comments: Report Drinking Water ~ ~ ._.-~ on State Form ? Y .,. Name: Address: ,.':r , ~-~'/_;,~,.r~ Send Copy to ' y/~_~ · ' ' Stere of Calif. City State Zip i by: (Signature) .Received by: (Signature) Date: Time: Attention: : .;,., L, ./.;(." ,-- / Received by: (Signature) Date: Time: PO# ~';' Rellnqu!~hed by: (Signature) Received by: (Signature) Date: Time: Time: Miles: Relinquished by: (Signature) Received by: (Signature) Date: Time: Flat . Equipment: Rate· ":-~ ..... Revised 5/97....Sample Disposal by BC Labs may be billed at $5.00 / sample for non-aqueous Samples: I SOILS ENGINEERING, INC. I I 3m~ & 4TH QUARTER 1998 REMEDIAL STATUS REPORT i ~ For I Tract 5426 Cladham Common Drl~~ / Bakersfield, California I Prepared For: I Castle & Cooke California, Inc. 10000 Ming Avenue I Bakersfield, CA. I File No. 97-8308 I i Prepared By: Soils Engineering, Inc. I 4700 District Blvd. Bakersfield, CA. 93313 I I February, 1999 I I 4700 DISTRICT BLVD. · BAKERSFIELD, CALIFORNIA93313 · PHONE (805) 831-5100 ° FAX: (805) 831-2111 SOILS ENGINEERING, INC. ! February 9, 1999 File No. 97-8308 ! Regional Water Quality Control Board I 3614 East Ashlan Avenue Fresno, CA 93726 I Attn.: Hassan Jakhar i Subject: 3~d & 4t~ Quarter 1998, Remedial Status Report Tract 5426 Cladham Common Drive I Bakersfield, California Mr. Jakhar: I Soils Engineering, Inc. (SEI)" has prepared this 3a & 4th Quarter 1998 Remedial Status Report for Tract 5426 in Bakersfield, CA. (site). This report summarizes the quarterly monitoring of the 6 I groundwater monitoring wells conducted in October, 1998 and the continued bioremediation of the biocell soil. I GROUNDWATER MONITORING EVENT On October 29, 1998, six monitoring wells were measured for depth to water, purged ora minimum of 3 well volumes with a submersible pump and sampled with new disposable bailers. Water was I decanted into a 1-Liter bottle and two 40 ml VOA's for each well. The sample bottles were sealed,' labeled and placed into a cooler with blue ice. Groundwater samples were analyzed for oil and grease, and BTEX at Zalco Laboratories, a State certified analytical laboratory. See Plate 1 for I Location and Plate 2 for Plot Plan. Map Purge water was stored in two (2) 55-gallon drums and was recycled/disposed of at Resource I Renewal Technology (RRT) in Bakersfield, CA. (see attached non-hazardous manifest). i Groundwater Gradient The depth to groundwater measurements and the top of casing elevations were uSed to calculate water elevations within each well to determine the groundwater gradient. The estimated groundwater I gradient was 0.0173'/' in a S15E direction on the southside and 0.105'/' in a S7W direction on the northside of the site. See Plate 3 for a groundwater gradient map. IAnalytical Results Of Groundwater Samples The analytical results of the water samples indicate that only well MW-6A had petroleum hydrocarbons present (benzene at 19.8 ppb and ethylbenzene at 8.19 ppb). The analytical results of I I 4700 DISTRICT BLVD. ' BAKERSFIELD, CALIFORNIA93313 ' PHONE(805)831-5100 ' FAX:(805) 831-2111 I SOILS ENGINEERING, INC. I I 3J~ & 4th Quarter 1998 Remedial Status Report File No. 97-8308 For Tract 5426~ T3OST R27E~ Sec 6~ Bakers[~eld~ California Page No. 2 I the water samples fi:om wells MW-lA, MW-2A, MW-4, MW-5 and MW-6B were all below detection limits. I To further evaluate the analytical results from October, 1998, additional water samples from wells MW-2A and MW-6A were collected on January 5, 1999. These 2 wells were purged of a minimum of 3 well volumes and a water sample was collected with a clean disposable bailer after they had I recovered sufficiently. The analytical results were similar to the October, 1998 results with concentrations of benzene (15.1 ppb), ethylbenzene (6.62 ppb) and xylenes (0.62 ppb) reported in sampled MW-6A and no BTEX concentrations in MW-2A. Oil and grease concentrations were I in both at 4 and 70 See Table 1 for current reported samples ppm (MW-2A) ppm (MW-6^). groundwater results and Table 2 for historical results. The analytical reports are attached. I BIOREMEDIATION OF SOIL The biocell soil placed in the area east of the new office parking lot continues to naturally i bioremediate (see Plate 1A for location map and Plate 2A for Plot Plan). Monitoring of the biocell soil was conducted on January 5, 1999 with 6 composite soil samples (Si to S6) being collected and analyzed from the biocell at approximately 250 foot intervals. Each composite soil sample consisted I of soil collected fi:om 4 nearby locations at a depth of approximately 1 foot beneath the surface and placed into 1 brass cylinder, which was sealed, labeled and placed into an iced cooler. The soil samples were taken to BC Laboratories in Bakersfield, CA. and analyzed for Total Recoverable I Petroleum Hydrocarbons (TRPH) by EPA Method 418.1. The analytical results ranged from 170 ppm (S-5) to 1700 ppm (S-i) TRPH, with an average of 732 I ppm TRPH. See Table 3 and attached analytical reports for more detail. The biocell soil will be monitored periodically to determine TRPH concentrations. Once it appears I the soil is nearing 200 ppm TRPH composite soil samples (4 discrete samples) will be collected for every 1,000 cubic yards and analyzed for Total Recoverable Petroleum Hydrocarbons (TRPH) by EPA Method 418.1 to determine TRPH concentrations. Each soil sample will be collected in a brass I tube, sealed with a Teflon lined cap, labeled, and placed in iced storage prior to being transferred to a State certified analytical laboratory for chemical analysis under Chain-of Custody documents. I CONCLUSIONS & RECOMMENDATIONS I Groundwater Water levels increased significantly during this quarter with depth to water ranging fi:om 22.02' to i30.53' in the wells. Analytical results of water samples from the monitoring wells indicate that the petroleum hydrocarbons in the groundwater have decreased significantly and are not an environmental threat to the deep drinking water aquifer (over 200' deeper) or to occupants in the area of the former 1 I I SOILS ENGINEERING, INC. I I 3sa & 4th Quarter 1998 Remedial Status Report File No. 97-8308 For Tract 5426t T30S, R27E, Sec 6~ Bakers(ield, California Page No. 3 pipeline leak. SEI has prepared plots of the petroleum hydrocarbon concentrations over time for each monitoring well to visually show the significant decline in concentrations (see attached plots). I SEI recommends the closure of this site with no further groundwater monitoring or remediation be conducted in this area. I Once closure is granted by the City of Bakersfield Fire Department Office of Environmental Services and the Regional Water Quality Control Board, the 6 monitoring wells will be abandoned per local, i State and Federal regulations. Bioceli Soil i It is recommended that the biocell soil east of the new office asphalt parking lot continue to be bioremediated or mixed to TRPH concentrations in the range of 200 ppm and used as fill material or placed under a future parking lot in this area at TRPH concentrations less than 1,000 ppm. I Please call Soils Engineering, Inc. at (805) 8_31-5100 if you have any questions or comments concerning this Remedial Status Re~ i Sincerely,. ff,...tO~o~* ~ '"4-~N~'9~ Robert J. ker, R.G. #5076 ~ I Environmental Division Manager ~ I Enclosures: Table 1, Current Groundwater Analytical Results Table 2, Historical Groundwater Analytical Results Location Maps, Plate 1 & lA I Plot Plans, Plate 2 & 2A Gradient Map, 10/29/98, Plate 3 Biocell Soil Plot Plan I Analytical Report Non-Hazardous Waste Manifest I cc: Steven DeBranch, Castle & Cooke California Howard Wines, City Of Bakersfield Fire Department, Office of I Environmental Services I I Tract 5426 QM Table " TABLE 1 CURRENT GROUNDWATER MONITORING RESULTS Tract 5426, Bakersfield, CA. 10129198 Top Of Oil & Ethyl Sample Monitoring casing Depth Of Depth to Volume Water Grease Benzene Toluene Benzene Xylene Date Well No. Elev. Well Water Of Well Elevation (ppm) (ppb) Ippb) (ppb) (ppb) 10/29/98 MW-lA 365.8 35 22.66 8.23 343.14 <2 <0.3 <0.3 <0.3 <0.6 10~29/98 MW-2A 365.58 35 23.78 7.48 341.8 <2 <0.3 <0.3 <0.3 <0.6 1/5/99 MVV-2A 365.58 35 23.43 7.72 342.15 4 <0.3 <0.3 <0.3 <0.6 10~29/98 MW-3 Destroyed 10~29~98 MW-4 366.58 35 22.02 2.17 344.56 <2 <0.3 <0.3 <0.3 <0.6 10/29/98 MW-5 365.51 35 24.47= 1.76 341.04 <2' <0.3 <0.3 <0.3 <0.6 10/29/98 MW-6A 367.52 50 30.53 3.25 336.99 <2 19.8 <0.3 8.19 <0.6 1/5/99 MW-6A 367.52 50 30 3.34 337.52 70 15.1 <0.3 6.62 0.62 10/29/98 MW-6B 367.55 35 28.79 1.04 338.76 <2 <0.3 <0.3 <0.3 <0.6 Note: TRPH = Total Recoverable Petroleum Hydrocarbons, ppb = parts per billion (ug/I), ppm = parts per million (mg/I). Page I TABLE 2 HISTORICAL GROUNDWATER MONITORING RESULTS Tract 5426 WATER SAMPLES Concentrations in uglL (parts per billion (ppb)) Sample Ethyl- Oil & Number Date Benzene Toluene benzene Xylenes TRPH TPHd Grease Elevated Metals B2-W 2128197 73 <3 380 <6 NA MW-1 3/18/97 920 <10 500 <20 31000 AR-159, FE-9950 MW-1 3/24/97 990 <6 540 <20 66000 MW-lA 10/3/97 1.2 <0.3 0.92 <0.6 <1000 220 MW-lA 6/11/98 8.9 <0.3 3.6 1.1 <1000 MW-lA 10/29/98 <0,3 <0.3 <0.3 <0.6 <2000 MW-2 3/18/97 500 <5 76 <10 8600 MW~2 (Dup) 3/18/97 560 <6 92 <20 NA MW-2 3~24~97 550 <6 100 <20 6000 MW-ZA 10/3/97 17 <0.3 14 42 1600 1000 MW-2A 3/31/98 63 <0.3 80 220 <200 21,000 MW-2A 6/11/98 62 <0.3 26 27 <1000 MW-2A 10/29/98 <0.3 <0.3 <0.3 <0.6 <2000 *MW-2A 1/5/99 <0.3 <0.3 <0.3 <0.6 70,000 MW-3 3/18/97 <0.3 <0.3 1.1 1.1 < 1000 MW-3 3/24/97 <0.3 <0.3 <0.3 1 <1000 MW-3 10/3/97 0.58 <0.3 <0.3 <0.6 <1000 <200 Destroyed MW-4 10/3/97 <0.3 <0.3 <0.3 <0.6 <1000 <200 MW-4 3/31/98 <0.3 <0.3 <0.3 <0.6 1100 MW-4 6/11/98 <0.3 <0.3 <0.3 <0.6 <1000 MW-4 10/29/98 <0.3 <0.3 <0.3 <0.6 <2000 MW-5 10/3/97 <0.3 <0.3 <0.3 <0.6 <1000 <200 MW-5 3/31/98 <0.3 <0.3 <0.3 <0.6 NA MW-5 6/11/98 <0.3 <0.3 <0.3 <0.6 <1000 MW-5 10/29/98 <0.3 <0.3 <0.3 <0.6 <2000 MW-6A 10/3/97 43 <0.3 7.7 1.1 <1000 <200 MW-6A 10/29/g7 31 <0.3 <0.3 <0.6 NA NA MW-6A 3/31/98 <0.3 <0.3 0.34 <0.6 1500 MW-6A 6/11/98 0.58 <0.3 0.39 <0.6 <1000 MW-6A 10/29/98 19.8 <0.3 8.19 <0.6 <2000 *MW-6A 1/5/99 15.6 <0.3 6.62 0.62 4000 MW-6B 3/31/98 <0.3 <0.3 <0.3 <0.6 N^ MW-6B 6/11/98 <0.3 <0.3 <0.3 <0.6 <1000 MW-6B 10/29/98 <0.3 <0.3 <0.3 <0.6 <2000 NA= Not Analyzed, TRPH = Total Recoverable Petroleum Hydrocarbons, TPHd = Total Petroleum Hydrocarbons as diesel, Ar = Arsenic, Fe = Iron, * -- Retest of previous result TABLE 3 SOIL SAMPLE ANALYTICAL RESULTS BIOCELL SOIL - EAST OF NEW OFFICE Stockdale Highway & Calloway Drive, Bakersfield, CA. SOIL SAMPLES Sample Number Date TRPH S-1 (Composite) 1/5/99 1700 S-2 (Composite) 1/5/99 410 S-3 (Composite) 1/5/99 540 S-4 (Composite) 1/5/99 470 S-5 (Composite) 1/5/99 170 S-6 (Composite) 1/5/99 1100 concentrations in mg/Kg (parts per million (ppm)) TRPH = Total Recoverable Petroleum Hydrocarbons TRACT 5426 SOILS ENGINEERING, INC. CLADHAM COMMON DRIVE 4700 District Blvd. 1 Bakersfield, CA 93313 Bakersfield, California PRoJEcT NUMBE.: ENV97-~S Location Map 3 STaY PLATE 1 A LOCATION .MAP m m m m m m m m m m m m m m m m m ~A_ MW-4 - 'r' ATTLEBORO A VENUE 'CL C L i A D H FUTURE PARK ~ MW-lA A I ~, M LOT 11 LOT 12 LOT 13 ' ¥ - B-20 (MW. 1) i M B-1 g (MW-3) ° RESIDENTIAL IV W -2A PROPERTIES B-13 (MW-2) - T - D R LOT17 LOT 16 LOT 15 MW-5 / ~ Monitoring Well ~ Abandoned '-~ ~'- Monitoring Well DORCHESTER A VENUE O/Vas Maidenhead) ~ SCALE N MW-6A.~MW-6B 0 7O · I I TRACT 5426 PLATE SOILS ENGINEERING, INC. Cladham Common Drive 4700 District Blvd. BAKERSFIELD CALIFORNIA Bakersfield, CA 93313 DATE: 10'14'97 PLOT PLAN PROJECT NUMBER: 97-8308 PLATE .2APLOT PLAN I. W Fence A Y STOCKDALE HWY. D Composite Soil Sample S5 Sample # ~ 170 TRPH Result in ppm ~ APPROX. SCALE N I o aoo · BIOCELL AREA SOILS ENGINEERING, INC. Stockdale Hwy & Calloway Drive 4700 District Blvd. BAKERS. FH~LD CALIFORNIA Bakersfield, CA 93313 ~D^TE: 2/6/99 PLOT PLAN PROJECT NUMBER: 97-8308 ,I,MW-4 - - 344.56' T ATTLEBORO AVENUE 'CL' ~ , I ~--- --344.0' Northslde Gradient ? L = 0.0105/' S7W A D H FUTURE PARK A MW-lA 343.1~ J, M LOT 11 LOT 12 ~ ~, - B-20, t-(MW' I) -~M --343.0' M B-19 (MW-3) ° ~ - 342.0' ~. a~.o' MW-5 ~ 340.0' Monitoring Well ,.. -" _~_ Abandoned Monitoring Well e Gradlent~ 339.0' Estimated Gradient ~ ~ ~ = 0.0173/'_/_ S15 E.,~..~.-.'"'~ Direction MW-6A~MW-6B , SCALE N 336.99' ~'/'~'r" 338.76 0 70 · _ i I TRACT 5426 PLATE SOILS I::NGIN££RING, lNG. Cladham Common Drive 4700 District Blvd. BAKERSFl]~LD CALIFORNIA Bakersfield, CA 93313 GROUNDWATER GRADIENT 10/29/98 PROJECT NUMBER: 97-8308 I SOILS ENGINEERING, INC. I i I Appendix A I Analytical Laboratory Reports 1 I I I i I 1 i I I i I I I ' Chain of Custody Record Pa~e. ZALC0 LABORATORIES, INC. · 4309 Armour Ave. Proie~'r,,e 7.~/7~ ~ ~.(.-~__~ Turnaround Time: Bakersfield. California 93308. O RUSH Bye. [805} 395~539 395-3069' Fax (8O5) ~ce Cbe~ ~ , Tem~r~ure,~ ~ ~Routine (2 Weeks) wo~ Order Address Cia, State, Zip ~ ~ ~ ~ ,~[~ ~ ~X3 IRe~"A"e~i°n ' ~~' · ' '~ * ~ ~b ~ Sampled ~: i ~ '" Sample Date ~me Ty~" Legal Sample bescription ~nt~ners ~ ~ ~ ~ 8 Remarks ID~ Sampled Sampled ~ K~ Bel~ ~ ' ~ · ..'-~ t? : .'-. . / ..:. ,, , , , , _ NOTE: Samples am discarded 30 days after results are reported unless other arrangements are made. . KEY: * G-Glass P-Plastic M-Metal T-Tedlar V-VOA Haza~lous samples will be returned to client ~ disposed of at client's expense. ** W-Water WW-Wastewater S-Solid P-Petroleum L-Liquid O-Other White- Office Copy Yellow - Lab Copy i, Pink - Client Copy *** A-Acid, pH<2 (HCI,HNO3,H2SO4) S-NaOH+ZnAc C-Caustic, pH>10 (NaOH) I ZALCO I_ABORATORIES, INC. I ~~~ Analytioal'&C°nsultingServices 4309 Armour Avenue (805) 395-0539 ................. Bakersfield, California 93308 FAX (805) 395-3069 I Soils Engineering Laboratory No: 9810382-1 4700 District Blvd - Date Received: 10/29/98 I Bakersfield, CA 93313 Date Reported: 11/09/98 Contract No. : 8308 Attention: Bob Becker Date S~mpled : 10/29/98 Time Sampled : 14:10 I Sample T~e: Water Description: MW-iA ISampled by R.Becker REPORT OF ~ALYTICAL RESULTS I Constituents Results Units DLR Method/Ref Oil & Grease < 2.0 mg/1 2.0 413.2/ 2 ! I Date Analyzed: // Ji>~erton, Lab Operations Manager Method Reference // 1. EPA SW-846, 1994 3rd Edition /. mg/L : milligrams per Liter (parts per million} 2. EPA 600/4-79-020 March 1983 ug/L : micrograms per Liter (parts per billion) umhos/cm : micromhos/cm at 25 C I mmhos/cm : millimhos/cm at 25 C ND : None Detected N/A : Not Applicable DLR : Detection Limit for Reporting Purposes I MBAS : Methylene Blue Active Substances I This report is furnished for the exclusive use of our Customer and applies only to the samples tested. Zalco is not responsible for report alteration or detachment. I ZALCO LABORATORIES, INC. 4309 Armour Avenue (8051 395-0539 Bakersfield, California 93308 FAX (805) 395-3069 I Soils Engineering Laboratory No: 9810382-1 4700 District Blvd Date Received: 10/29/98 iBakersfield, CA 93313 Date Reported: 11/09/98 Contract No. : 8308 Attention: Bob Becker Date Sampled : 10/29/98 Time Sampled : 14:10 ISample T~e: Water Description: MW-IA ISampled by R.Becker REPORT OF ANALYTICAL RESULTS I Results Units DLR Constituents Method/Ref Purgeable Aromatics Benzene ND UG/L 0.3 8020 /1 IToluene ND UG/L 0.3 8020 /1 Ethyl~enzene . ND UG/L 0.3 8020 /1 Total Xylenes ND UG/L 0.6 8020 /1 ! A//alyzed : 11/02/98 JMM cc: /..-' 1. EPA 8W-846, 1994 3rd Edition i 2. EPA 600/4-79-020 March 1983 mg/L : m~lligrams per Liter (parts per million) ug/L : micrograms per Liter (parts per billion) umhos/cm : micromhos/cm at 25 C mmhos/cm : millimhos/cm at 25 C ND : None Detected N/A : Not Applicable I DLR : Detection Limit for Reporting Purposes I This report is furnished for the exclusive use of our Customer and applies only to the samples tested. Zalco is not responsible for report alteration or detachment. ZALCO LABORATORIES, INC. Analytical & C;onsulting Services . 4309 Armour Avenue (805) 395-0539 ................. ,~, Bakersfield, California 93308 FAX (805) 395-3069 Soils Engineering Laboratory No: 9810382-2 4700 District Blvd Date Received: 10/29/98 I Bakersfield, CA 93313 Date Reported: 11/09/98 Contract No. : 8308 Attention: Bob Becker Date Sampled : 10/29/98 Time Sampled : 14:20 I Sample Water Type: Description: MW-2A ISampled by R.Becker REPORT OF ANALYTICAL RESULTS I Constituents Results Units DLR Method/Ref Oil & Grease < 2.0 mg/1 2.0 413.2/ 2 ! I IDate Analyzed: 11/06/98 DLJ ./ ~ ~c: ~ / Jim Ether,~n, Lab Operations Manager Method Reference / 1. EPA SW-846, 1994 3rd Edition mg~L : milligrams per Liter (parts per million) 2. EPA 600/4-79-020 March 1983 ug/L : micrograms per Liter (parts per billion) i umhos/cm : micromhos/cm at 25 C mmhos/cm : millimhos/cm at 25 C ND : None Detected N/A : Not Applicable DLR : Detection Limit for Reporting Purposes I MBAS : Methylene Blue Active Substances I This report is furnished for the exclusive use of our Customer and applies only to the samples tested. Zalco is not respor~sil31e for report alteration or detachment. ZALCO LABORATORIES, INC. Analytical Consulting Services I:~'? ~1 4309 Armour Avenue (805) 395-0539 I~l -- 7~1 Bakersfield, California 93308 FAX (805) 395-3069 ' Soils Engineering Laboratory No: 9810382-2 4700 District Blvd Date Received: 10/29/98 Bakersfield, CA 93313 Date Reported: 11/09/98 Contract No. : 8308 Attention: Bob Becker Date Sampled : 10/29/98 Time Sampled : 14:20 Sample Type: Water Description: MW-2A Sampled by R.Becker REPORT OF ANALYTICAL RESULTS Constituents Results Units DLR Method/Ref Purgeable Aromatics Benzene ND UG/L 0.3 8020 /1 Toluene ND UG/L 0.3 8020 /1 Ethylbenzene ND UG/L 0.3 8020 /1 Total Xylenes ND UG/L 0.'6 8020 /1 I Analyzed : 11/02/98 JMM · Method Reference /× Jim/Etherton, Lab Operations Manager 1. EPA SW-846, 1994 3rd Edition " i 2. EPA 600/4-79-020 March 1983 milligrams per Liter (parts per million) ug/L : micrograms per Liter (parts per billion) umhos/cm : micromhos/cm at 25 C m~hos/cm : millimhos/cm at 25 C ND : None Detected N/A : Not Applicable I DLR : Detection Limit for Reporting Purposes I This report is furn;shed for the exclush,e use of our Customer and applies only to the samples tested. Zalco is not responsible for report alteration or detachment. · ZALCO LABORATORIES, INC. · Analytioal & C;onsulting Services 4309 Armour Avenue (805) 395-0539 Bakersfield, California 93308 FAX (805) 395-3069 Soils Engineering Laboratory No: 9810382-3 4700 District Blvd Date Received: 10/29/98 · Bakersfield, CA 93313 Date Reported: 11/09/98 Contract No. : 8308 Attention: Bob Becket Date Sampled : 10/29/98 Time Sampled : 13:40 · Sample Type: Water Description: MW-4 · Sampled by R.Becker REPORT OF A/~ALYTICAL RESULTS · Constituents Results Units DLR Method/Ref h_ Oil & Grease < 2.0 mg/1 2.0 413.2/ 2 · Date Analyzed: 11/06/98 DLJ //Jim E~.~'rton, Lab Operations Manager c. Method Reference -- 1. EPA SW-846, 1994 3rd Edition mg/L : milligrams per Liter (parts per million) 2. EPA 600/4-79-020 March 1983 ug/L : micrograms per Liter (parts per billion~ umhos/cm : micromhos/cm at 25 C mmhos/cm : millimhos/cm at 25 C ND : None Detected N/A : Not Applicable DLR : Detection Limit for Reporting Purposes MBAS : Methylene Blue Active substances I -- This report is furnished for the exclusive use of our Customer and applies only to the samples tested. Zalco is not responsible for report alteration or detachment. This report is furnished for the exclusive use of our Customer and applies only to the samples tested. Zalco is not responsible for report alteration or detachment. ZALCO LABORATORIES, lNG. I.~~~?~~Analytioal~OOnsultingServioes 4309 Armour Avenue (805) 395-0539 ................ Bakersfield, California 93308 FAX (805) 395-3069 Soils Engineering Laboratory No: 9810382-3 4700 District Blvd Date Received: 10/29/98 Bakersfield, CA 93313 Date Reported: 11/09/98 Contract No. : 8308 Attention: Bob Becker Date Sampled : 10/29/98 Time Sampled : 13:40 Sample Water T~e: Description: MW-4 Sampled by R.Becker REPORT OF ANALYTICAL RESULTS Constituents Results Units DLR Method/Ref Purgeable Aromatics Benzene ND UG/L 0.3 8020 /1 Toluene ND UG/L 0.3 8020 /1 Ethylbenzene ND UG/L 0.3 8020 /1 Total Xylenes ND UG/L 0.6 8020 /1 Analyzed : 11/02/98 JMM Method Reference /Jim Ethe/rton, Lab Operations Manager 1. EPA SW-846, 1994 3rd Edition / m : milligrams per Liter (parts per million) I 2 . EPA 600/4-79-020 March 1983 ug/L : mic'rograms per Liter (parts per billion) umhos/cm : micromhos/cm at 25 C mmhos/cm : millimhos/cm at 25 C ND : None Detected N/A : Not Applicable IDLR : Detection Limit for Reporting Purposes I This report is furnished for the exclusive use of our Customer and applies only to the samples tested. Zalco is not responsible for report alteration or detachment. I ZALCO LABORATORIES, IN( . I ~~~ Analytioal~O°nsultingServices 4309 Armour ~enue (805) 395-0539 ............... .. Bakersfield, California 93308 FAX (805) 395-3069 I Soils Engineering Laboratory No: 9810382-4 4700 District Blvd Date Received: 10/29/98 I Bakersfield, CA 93313 Date Reported: 11/09/98 Contract No. : 8308 Attention: Bob Becket Date Sampled : 10/29/98 Time Sampled : 13:30 I Sample T~e: Water Description: MW-5 I Sampled by R.Becker REPORT OF ~ALYTICAL RESULTS I Constituents Results Units DLR Method/Ref iOil & Grease < 2.0 mg/1 2.0 413.2/ 2 I / Jim ~i ~ Op--~rations Manager Method Reference 1. EPA SW-846, 1994 3rd Edition mg/L : milligrams per Liter (parts per million) 2. EPA 600/4-79-020 March 1983 ug/L : micrograms per Liter (parts per billion) umhos/cm : micromhos/cm at 25 C mmhos/cm : millimhos/cm at 25 C ND : None Detected N/A : Not Applicable DLR : Detection Limit for Reporting Purposes i MBAS : Methylene Blue Active Substances I This report is furnished for the exclusive use of our Customer and applies only to the samples tested. Zalco is not responsible for report alteration or detachment. IZALCO LABORATORIES, INC. I ~~~ Analytical~C°nsultingServices 4309 Armour Avenue (805) 395-0539 iBakersfield, California93308 FAX(805) 395-3069 Soils Engineering Laboratory. No: 9810382-4 4700 District Blvd Date Received: 10/29/98 IBakersfield, CA 93313 Date Reported: 11/09/98 Contract No. : 8308 Attention: Bob Becker Date Sampled : 10/29/98 I Time Sampled : 13:30 Sample T~e: Water Description: MW-5 ISampled by R.Becker REPORT OF ANALYTICAL RESULTS I Constituents Results Units DLR Method/Ref Purgeable Aromatics iBenzene ND UG/L 0.3 8020 /1 Toluene ND ~G/L 0.3 8020 /1 Ethylbenzene ND UG/L 0.3 8020 /t Total Xylenes ND UG/L 0.6 8020 /1 ! I Analyzed : 11/02/98 JMM Method Reference //Jim Ethg.~ton, Lab Operations Manager 1. EPA SW-846, 1994 3rd Edition // / ' i 2. EPA 600/4-79-020 March 1983 ~g/L : milligrams per Liter (parts per million) ug/L : micrograms per Liter (parts per billion) umhos/cm /micromhos/cm at 25 C mmhos/cm~: millimhos/cm at 25 C ND : None Detected I N/A : Not Applicable DLR : Detection Limit for Reporting Purposes I This report is furnished for the exclusive use of our Customer and applies only to the samples tested. Zalco is not responsible for report alteration or detachment. ZALCO LABORATORIES, INC. i Anal icalSC°nsultingServices I'i~ ~1 4309 Armour Avenue (805) 395-0539 L~ .... ~,,~J Bakersfield, California 93308 FAX (805) 395-3069 Soils Engineering Laboratory No: '9810382-5 4700 District Blvd Date Received: 10/29/98 Bakersfield, CA 93313 Date Reported: 11/09/98 Contract No. : 8308 Attention: Bob Becker . Date Sampled : 10/29/98 Time Sampled : 14:00 Sample Type: Water Description: MW-6A Sampled by R.Becker REPORT OF AigALYTICAL RESULTS Constituents Results Units DLR Method/Ref Oil & Grease < 2.0 mg/1 2.0 413.2/ 2 I Date Analyzed: 11/06/98 DLJ .."'~im Et~er~, 5ab Operations Nanager / Method Reference ..' t. EPA SW-846, 1994 3rd Edition ~g/L : milligrams per Liter (parts per million) 2. EPA 600/4-79-020 March 1983 ug/L : micrograms per Liter (parts per billion) I 'umhos/cm : micromhos/cm at 25 C mmhos/cm : millimhos/cm at 25 C ND : None Detected N/A : Not Applicable DLR : Detection Limit for Reporting Purposes i MBAS : Methylene Blue Active Substances i ~ m~d is ~rnish~ Mr the exclusive use ~ our Cu~omer and appli~ only ~ the ~mpl~ test~. Zalco is not r~ible Mr re~ al~raflon or detachment. I ZALCO I_ABORATORIES, INC. Analytical Consulting Services 4309 Armour Avenue (805) 395-0539 Bakersfield, California 93308 FAX (805) 395-3069 I Soils Engineerin9 Laboratory No: 9810382-5 4700 District Blvd Date Received: 10/29/98 I Bakersfield, CA 93313 Date Reported: 11/09/98 Contract No. : 8308 Attention: Bob Becker Date Sampled : 10/29/98 Time Sampled : 14:00 I Sample Type: Water Description: MW-6A ISampled by R.Becker REPORT OF ANALYTICAL RESULTS Constituents Results Units DLR Method/Ref Purgeable Aromatics Benzene 19.8 UG/L 1.5 8020 /1 I Toluene ND UG/L 0.3 8020 /1 Ethylbenzene 8.19 UG/L 1.5 8020 /1 Total Xylenes ND UG/L 0.6 8020 /1 ! I Analyzed : 11/02/98 JMM I . p ' Method Reference ~ E .~ Manager 1. EPA SW-846, 1994 3rd Edition I 2. EPA 600/4-79-020 March 1983 mg/L : milligrams/per Liter (parts per million) ug/L : microgram~ per Liter (parts per billion) umhos/cm : micromhos/cm at 25 C mmhos/cm : millimhos/cm at 25 C ND : None Detected N/A : Not Applicable I DLR : Detection Limit for Reporting Purposes I This report is furnished for the exclusive use of our Customer and applies only to the samples tested. Zalco is not responsible for report alteration or detachment. ZALCO LABORATORIES, INC. I lAnalyti°al O°nsultingServices' I':~ ~1 4309 Armour Avenue (005) 395-0539 L ...~.,~ ~sfield, California 93308 FAX (905) 395-3069 Soils Engineerin9 Laboratory No: 9810382-6 4700 District Blvd Date Received: 10/29/98 Bakersfield, CA 93313 Date Reported: 11/09/98 Contract No. : 8308 Attention: Bob Becker Date Sampled : 10/29/98 Time Sampled : 13:50 Sample T~e: Water Description: MW-6B Sampled by R.Becker REPORT OF ~ALYTICAL RESULTS Constituents Results Units DLR Method/Ref Oil & Grease < 2.0 mg/1 2.0 413.2/ 2 I Jim Eth~rton, Lab Operations Manager I Method Reference 1. EPA SW-846, 1994 3rd Edition m~/L : milligrams per Liter (parts per million) 2. EPA 600/4-79-020 March 1983 u~/L : micrograms per Liter (parts per.billion) umhos/cm : micromhos/cm at 25 C Immhos/cm : millimhos/cm at 25 C ND : None Detected N/A : Not Applicable DLR : Detection Limit for Reporting Purposes MBAS : Methylene Blue Active Substances ! I This report is furnished for the exclusive use of our Customer and applies only to the samples tested. Zalco is not responsible for report alteration or detachment. ZALCO LABORATORIES, INC. I~L~'~lAnalytioal~ConsultingServices I:-~ ~iI 4309 Armour Avenue (805) 395-0539 lL ~?;!J Bakersfield, California 93308 FAX (805) 395-3069 Soils Engineering Laboratory No: 9810382-6 4700 District Blvd Date Received: 10/29/98 Bakersfield, CA 93313 Date Reported: 11/09/98 Contract No. : 8308 Attention: Bob Becker Date Sampled : 10/29/98 Time Sampled : 13:50 Sample T~e: Water Description: MW-6B Sampled by R.Becker REPORT OF ANALYTICAL RESULTS Constituents Results Units DLR Method/Ref Purgeable Aromatics Benzene ND UG/L 0.3 8020 /1 Toluene ND UG/L 0.3 8020 /1 Ethylbenzene ND UG/L 0.3 8020 /1 Total Xylenes ND UG/L 0.6 8020 /1 I A nalyzed : 11/02/98 JMM I Method Reference on, Lab Operatio s Manager 1. EPA SW-846, 1994 3rd Edition 2. EPA 600/4-79-020 March 1983 mg/L : mil~grams per Liter (parts per million) ' Iug/L : micrograms per Liter (parts per billion) umhos/cm': micromhos/cm at 25 C mmhos/cm : millimhos/cm at 25 C ND : None Detected N/A : Not Applicable IDLR : Detection Limit for Reporting Purposes I This report is furnished for the exclusive use of our Customer and applies only to the samples tested. Zalco is not responsible for report alteration or detachment. Chain of Custody Record ~ ~,.~ .... P~o~ ~ o~ / ~LCO ~BORATORIES, INC. 4309 Armour Ave. Bakersfield, California 93308 ~RUSH By: [8051 39~539 ~pedited (1 Week).. Field Fax [8051 395-~69 IceChea~ ,Tem~r~ure,~ ORoutine (2 We~k~ Wo~Or~er~ .:> . Sarape! Date ~me Ty~" ~'.:.Eeg~ S~plo Description ~nt~ners ~ · Z 8 8 Remarks ID~ Sampled Sampled S~ KW Bel~ :' ' : .: .~ :.. ~ '~. ~ard~s sampl~ will N return~ to client ~ dis~ of at clients ex~. ~ W-Water ~-Wastewater S-Solid P-Petroleum L-Liquid O-~her White- Office Copy Yellow - Lab Copy Pink - Clie~ Co~ ~ A-Acid, pH<2 (HCI,HNO3,H2SO4) S-NaOH+Z~c -' C-Cau~ic, pH>10 (NaOH) ! ~1~ ZALCO LABORATORIES, INC. I~~ilAnalyt;ical'&(DonsultingServioes I I ~/' ~1~1 4309 Armour Avenue ' (805) 395-0539 ll . . .'~..~,~J Bakersfield, California 93308 FAX (805) 395-3069 I Soils Engineering Laboratory No: 9901032-1 4700 District Bird Date Received: 01/05/99 i Bakersfield, CA 93313 Date Reported: 01/07/99 Contract No. : 8308 Attention: Bob Becker Date Sampled : 01/05/98 Time Sampled : 13:30 I Sample Type: Water Description: MW-2A,C&C T5426 ISampled by Bob Becker REPORT OF ANALYTICAL RESULTS I Constituents Results Units DLR Method/Ref o-~¥~~ ~ ~ m--~f- ~.0 41~.1/ 2 I ! I I I I I lc: ( ~ / Jim,.~therton, Lab Operations Manager / Method Reference ]. EPA SW-846, 1994 3rd Edition mg/L : milligrams per Liter (parts per million> 2 EPA 600/4-79-020 March 1983 ug/b : micrograms per Liter (parts per biliion~ umhos/cm : micromhos/cm at 25 C I mmhos/cm : millimhos/cm at 25 C ND : None Detected N/A : Not Applicable DLR : Detection Limit for Reporting Purposes MBAS : Methylene Blue Active Substances . I This report is furnished for the exclusive use of our Customer and applies only to the samples tested. Zalco is not responsible for report alteration or detachment. ZALCO LABORATORIES, INC. Analytical & Consulting Services 4309 Armour Avenue (B05) 395-0539 ............ Bakersfield, California 93308 FAX (805) 395-3069 Soils Engineering Laboratory No: 9901032-1 4700 District Blvd Date Received: 01/05/99 Bakersfield, CA 93313 Date Reported: 01/07/99 Contract No. : 8308 Attention: Bob Becker Date Sampled : 01/05/98 Time Sampled : 13:30 Sample TYPe: Water Description: MW-2A, C&C T5426 Sampled by Bob Becker REPORT OF ANALYTICAL RESULTS Results Units DLR Method/Ref Constituents Purgeable Aromatics Benzene ND UG/L 0.3 8020 /1 Toluene ND UG/L 0.3 8020 /i Ethylbenzene ND UG/L 0.3 8020 /1 Total Xylenes ND UG/L 0.6 8020 /1 Analyzed : 01/06/99 SVM Method Reference g//L ~i~?:mrst~enr' LiLts? ~t%a~eirln~l ?o~ager l. EPA SW-846, 1994 3rd Edition 2. EPA 600/4-79-020 March 1983 1 /~ ~ ' ~~rts p~ bill.on s~ ~lcr~?~h~c~r2 mmhos/cm : millimhos/cm at 25 C ND : None Detected N/A : Not Applicable DLR : Detection Limit for Reporting Purposes This report is furnished for the exclusive use of our Customer and applies only to the samples tested. Zalco is not responsible for report alteration or detachment. ZALCO LABORATORIES, INC. I ~~__~~~Anaiytical~COnsultingServioes 4309 Armour Avenue (805) 395-0539 ..................... Bakersfield, California 93308 FAX (805) 395-3069 Soils Engineering Laboratory No: 9901032-2 4700 District Blvd Date Received: 01/05/99 Bakersfield, CA 93313 Date Reported: 01/07/99 Contract No. : 8308 Attention: Bob Becker Date Sampled : 01/05/98 Time.Sampled : 13:15 Sample T~e: Water Description: MW-6A,C&C T5426 Sampled by Bob Becker REPORT OF ~ALYTICAL RESULTS Constituents Results Units DLR Method/Ref Oil & Grease, Gravimetric 4.0 mg/1 2.0 413.1/ 2 I Date Analyzed: 01/06/99 DLJJ~- '"/' Ji~erton, Lab Operations Manager I Method Reference " 1. EPA SW-845,. 1994 3rd Edition mg/L : milligrams per Liter (parts per million'~ 2. EPA 600/4-79-020 March 1983 ug/L : micrograms per Liter (parts per billion' Iumhos/cm : micromhos/cm at 25 C mmhos/cm : millimhos/cm at 25 C ND : None Detected N/A : Not Applicable DLR : Detection Limit for Reporting Purposes iMBAS : Methylene Blue Active Substances I This report is furnished for the exclusive use of our Customer and applies only to the samples tested. Zalco is not responsible for report alteration or detachment. I ZALCO LABORATORIES, INC. I ~~~ Amalytical~OonsultingServices 4~09ArmourAvenue (805)~95-05~9 Bakersfield, Californiag~0B FAX(B05)~95-~069 I Soils Engineering Laboratory No: 9901032-2 4700 District Blvd Date Received: 01/05/99 IBakersfield, CA 93313 Date Reported: 01/07/99 Contract No. : 8308 Attention: Bob Becker Date Sampled : 01/05/98 Time Sampled : 13:15 I S ample Type: Water Description: MW-6A,C&C T5426 Sampled by Bob Becker REPORT OF ANALYTICAL RESULTS IConstituents DLR Method/Ref Results Units Purgeable Aromatics Benzene 15.1 UG/L 7.5 8020 /1 IToluene ND UG/L 0.3 8020 /1 Ethylbenzene 6.62 UG/L 0.3 8020 /1 Total Xylenes 0.62 UG/L 0.6 8020 /1 I i Analyzed : 01/06/99 SVM cc: ~~ I Method Reference /~// ~ Etherton, Lab Operations Manager 1. EPA SW-846, 1994 3rd Edition /.~ 2. EPA 600/4-79-020 March 1983 ~g/L' milligrams per Liter (parts per million) I i/Ug/L micrograms per Liter (parts per billion) umhos'cm : micromhos/cm at 25 C mmhos'cm : millimhos/cm at 25 C ND None Detected N/A Not Applicable I DLR Detection Limit for Reporting Purposes I This report is furnished for the exclusive use of our Customer and applies only to the samples tested. Zalco is not responsible for report a~teration or detachment. I ! LAEBORATORIES, IN C. I January 18, 1999 BOB BECKER SOILS ENGINEERING 4700 DISTRICT BOULEVARD BAKERSFIELD, CA 93313 Subject: Laboratory Submission No.: 99-00088 Samples Received: 01/05/99 Dear BOB BECKER samples(s) listed on the Chain of Custody report were received by~BC The Laboratories, Inc. on 01/05/99. Enclosed please find the analytical data for the testing requested. If you have any questions regarding this report please contact me at (80~)~911, ~y unused sample will be stored on our premises for a minimum of 30 da~s (excluding bacteriolo9icals) at which time they will be disposed unless otherwise requested at the time of sample receipt. A disposal fee of $5 per sample apply for solid sample matrices. Please refer to submission nu~er 99-00088 when callin~.:fdr'~asslst~n~J~ Sincerely, ~'~ Client Services BC Laboratories, Inc. 4100 Atlas Ct. · Bakersfield, CA 93308 . (805) 327-491 I · FAX [805) 327-1 91 8 Name: ,.,~'~' Project: (~.(-- Address: ~"~o bl3~.Project #: ,~,~0,~ '"' - City: j~ttd.~f't~ Sampler Name:~,/~~ State: A~n: $0~~ ' '' ~ ~"~ < ~ o ~ ....... E~ zo Phone: ~1~0 ~20~~ lfll/litin~i']lii~ilIi]fl Repo. Drinking Water C°mment]: ~ Name: . ~ on state Form? Y / N Address: ~ G~ Send Copy to State of Calif. Y / N . ~ ~y: (Signa~, ~ City State Zip ~Attention: ~elinqui~by: (Signa~re) Received by: (Signi~re) Date: ~me: ~mo' Miles: Flat . ~linquishod by: {Si~na~ro) ~ocoivod by: {Si~na~ro) ~ato: ~mo: Equipmont: ~ato' ~evised 5/07....Samplo Disposal by BG kab~ may bo billod at 1t;5.00 / samplo ~or non-aqueous I 6C LABORATORIES INC. SAMPLE RECEIPT FORM Rsv. No.6 10/13/98 Page m Of ,. Subm. ission' 8: Project Code: I SHIPPING INFORMATION SHIPPING CONTAINER Federal Express [] UPS E] Hand Delivery ~ Ice Chest [] None ~/ ~ BC Lab Field Service [] Other [] (Specify) Box [] Other [] (Specify). Refrigerant: Ice [] Blue Ice [] None (~ Other [] Comments: c-, ! I Conta'.e- "one Comments= I Intact? Yes [] No [] ~ Intact? Yes Fl No All samples received? Yes ~ No [] All samples containers intact? Yes ~No [] Description(s) match COC? Yes~'~o [] ! ~ ,ca Chest ,D ~ Datomme ; I~lqq ,ca Chest ID __ Date/Time Temperature: ~°C ,.,~ I~ Temperature: °C Thermometer ID: ~ Analyst Init'~._~ Thermomater ID: __ Analyst Init Emissivity Emissivity __ Container ~.~'C V~ Container I SAMPLE NUMBERS QT GENERAL MINERAL/GENERAL PHYSICAL PT PE UNPRESERVED i QT INORGANIC CHEMICAL METALS PT INORGANIC CHEMICAL METALS !PT CYANIDE ~ PT NITROGEN FORMS ~ PT TOTAL SULFIDE 2oz. NITRATE I NITRITE · ,100mi TOTAL ORGANIC CARBON I QT TOX I PT CHEMICAL OXYGEN DEMAND lg0ml PHENOLI~:~; I 40mi VOA VIAL TRAVEL BLANK I 40rnl VGA VIAL QT EPA 413.1. 413.2. 418.1 . PT ODOR I RADIOLOGICAL I BACTERIOLOGICAL PT EPA 504 ~ QT EPA 508/60818080 ~ QT EPA 515.1181§0 QT EPA 525 · QT EPA 525 TRAVEL BLANK ~ 100mi EPA 547 100mi EPA 531,1 QT EPA 548 ~ QT EPA 549 ~ QT EPA 632 QT EPA ao15M · QT QA/QC I QT AMBER ~ OZ. JAR ~2 OZ. JAR I SOiL SLEEVE ) I ~ t 1 I I PCB VIAL 'PLASTIC BAG I 1 I :omments: , ! Sample Numbering Completed By: /~_~ Date/Time: /.% /'~" ~--~ (F:,WPH0'LAB_DOCS'FORMS~SAMREC2.WRO] Page 1 BORATORIES Total Petroleum Hydrocarbons I SOILS ENGINEERING Date Reported: 01/15/99 4700 DISTRICT BOULEVARD Date Received: 01/05/99 BAKERSFIELD, CA 93313 Laboratory No.: 99-00088-1 Attn: BOB BECKER 805-831-5100 I Project Numbe'r: 8308 Sampling Location: C&CT5426 Sample ID: S-1 ISampling Date/Time: 01/05/99 ® 02:00PM Sample Collected By: R. BECKER I Method Constituents Sample Results Units P.Q.L. Method Total Recoverable Petroleum Hydrocarbons 1700. g/kg 500. EP~-418.1 I I Note: PQL's were raised due to dilution required to b~ing target analytes into calibration range. Calzforn~a D~.~. S Cert .~186, AZ L~'Ce~se: AZ034~?~,~I ,%,i.,~?~ ~,~?~ Department Supervisor ':~' ,,?~ ,,~ ': ', ,,, ~ , ,,~, ~,~. 11 ~esulls lisle~ I~ this ~epo. ale fo[ the exclusive use of the su~ml.lag pmk. 8C ~bo[ato~les, Inc. assumes no ~esponsl~il~ fo~ [epo. ~lte[alion, separalion, detachment o[ 4100 Azlas Cc. · Bakersfield, CA 93308 · (805) 327-491 I · FAX (805) 327-1 ~18 ABORATORIES Page 1 Total Petroleum Hydrocarbons I SOILS ENGINEERING Date Reported: 01/15/99 4700 DISTRICT BOULEVJkRD Date Received: 01/05/99 i BAKERSFIELD, CA 93313 Laboratory No.: 99-00088-2 Attn: BOB BECKER 805-831-5100 Project Number: 8308 i Sampling Location: C&CT5426 Sample ID: S-2 Sampling Date/Time: 01/05/99 @ 02:10PM Sample Collected By: R. BECKER Method Constituents Sample Results Units P.Q.L. Method I Total Recoverable Petroleum Hydrocarbons 410. mg/kg 90. EPA- 418.1 I I . I · ' ution re~ired to brin~ target analytes Note: PQL s were raised due to dil Department Supervisor ~AII results listed in this repo~ are for the exclusive use of the submiRIng pa~. BC Laboratories, Inc. assumes no responsibili~ for repo~ alterat~, separation, detachment or third pa~ interpretation. ABORATORIES Page 1 Total Petroleum Hydrocarbons I SOILS ENGINEERING Date Reported: 01/15/99 4700 DISTRICT BOULEVARD Date Received: 01/05/99 BAKERSFIELD, CA 93313 Laboratory No.: 99-00088-3 IAttn: BOB BECKER 805-831-5100 Project Number: 8308 Sampling Location: C&CT5426 I Sample ID: S-3 Sampling Date/Time: 01/05/99 ® 02:20PM Sample Collected By: R. BECKER Method Constituents Sample Results Units P.Q.L. Method Total Recoverable Petroleum I Hydrocarbons 540. m~ g/kg 90. EPA- 418.1 Note: PQL's were raised due to dilution re~ired to brin9 target analytes California .S. Cert. 186, AZ ~: AZ0345~ ':?~ "'~ ~ Stuart G. Buttr~ - · ' : ~:- . Department Supervisor ?~ ~'~ '~ ' :~ ~'~ AII results listed in this repo. are for the exclusive use of the submitting pa~. BC Laboratories, Inc. assumes no res~nsibl]i~ for repo. alte~tion, separation, detachment or third ~ interpretation. 41 O0 Atlas Oc. · Bakersfield, CA 93308 · (BO5) 327-4911 * FAX (~05) 327-1 ~1 ~ ~BORATORIES Page 1 Total Petroleum Hydrocarbons I SOILS ENGINEERING Date Reported: 01/15/99 4700 DISTRICT BOULEVARD Date Received: 01/05/99 BAKERSFIELD, CA 93313 Laboratory No.: 99-00088-4 I Attn: BOB BECKER 805-831-5100 Project Number: 8308 Samplin9 Location: C&CT5426 I Sample ID: S-4 Sampling Date/Time: 01/05/99 ® 02:30PM Sample Collected By: R. BECKER Me thod Constituents Sample Results Units P.Q.L. Method I Total Recoverable Petroleum III Hydrocarbons 470. to target analytes \ Note: PQL's were raised due to dilution required bring I~nto calibration range. California Cert. AZ Lic~Se: AZ034~ Stuart G. Buttram Department Supervisor ~'~ ,~':.,:~ · IIIresults in this for the exclusive of the BC Inc. for alteration, separation, detachment third listed report are use submitting party. Laboratories, assumes 110 responsibility report or party interpretation. 41 O0 Atlas CC. · Bakersfield, CA 93308 · [805) 327-491 I · FAX (805] 327-1918 )RATORIES Page Total Petroleum Hydrocarbons SOILS ENGINEERING Date Reported: 01/15/99 4700 DISTRICT BOULEVARD Date Received: 01/05/99 BAKERSFIELD, CA 93313 Laboratory No.: 99-00088-5 Attn: BOB BECKER 805-831-5100 Project Number: 8308 Sampling Location: C&CT5426 Sample ID: S-5 Sampling Date/Time: 01/05/99 ® 02:40PM Sample Collected By: R. BECKER Method Constituents Sample Results Units P.Q.L. Method Total Recoverable Petroleum Hydrocarbons 170. mg/kg 40. E PA- 418 Note:PQL's were raised due to dilution re~ired to brin~ target analytes into calibration range. Stuart G. Buttr~ ~.~ Department Supervisor ?%,::: L~ ~ ,~:,~? repo~ Gubmi~ing pa~. Laboratories, assumes no res~nslbili~ repo~ alteration, separation, or pa~ ABORATORIES ~age 1 Total Petroleum Hydrocarbons I SOILS ENGINEERING Date Reported: 01/15/99 4700 DISTRICT BOULEVARD Date Received: 01/05/99 BAKERSFIELD, CA 93313 Laboratory No.: 99-00088-6 I Attn: BOB BECKER 805-831-5100 Project Number: 8308 Sampling Location: C&CT5426 I Sample ID: S-6 Sampling Date/Time: 01/05/99 @ 02:50AM Sample Collected By: R. BECKER Me thod Constituents Sample Results .Units P.Q.L. Method I Total Recoverable Petroleum I Hydrocarbons 1100. mg/kg 500. EPA-418.1 .~ ~.~ .~ '::~'~ Note: PQL's were raised due to dilution re~ire ~o bring target analytes Cal~forn~~.~/...S. Cert.~, AZ L~cense: AZ0345.73~'~ Stuart G. Buttr~ ' ~'f~.~.~:J~{' '~?:~7~'i???~ Department Supervisor.' . .~:E~-. ~. ~ ~'~ ~ ".':"~.~ ~ "~ ~ · .~'~ 11 ~ult~ li~fe4 i~ thi~ r~o~ ~e for th~ ~1~1~ ~ ~t f~ ~milti~ ~, B~ L~t~rl~, I~. ~m~ ~ ~i~lli~ f~ re~ I SOILSENGINEERING, INC. I I I i Appendix B Plots Of Analytical Results Monitoring Wells ! I I I I I 1 I I I I 1 l MW-1 & MW-lA BTEX Results 1200 MW-1 & MW-lA Oil & Grease/TRPH Results 70000 1000 60000 MW-1 50000 800 o ~ 40000 --~-- TRPH o a. --~-- O t & Grease '.~_ ~ 300o0 [--e--Benzene ' · - ~' [--~- Toluene · 600 20000 ~'~ / ' Ethylbenzene ~ "'~ lOOOO MW4 A [---~-- Xylenes ~, 0 , , ,~-. .... ~ ---- "',% Date 200 ~ 0 Date MW2 & MW-2A BTEX Results 6OO MW-2 & MW-2A TRPHIOil & Grease Results ~1W-2 80000 500 ._m''=_~ 600007000050000 MW-2MW-2A ~ 40000 -.-~--O & Grease ~ 30000 400 ~ 20000 10000 ~11 0 ........, · .... ~ ~ ~ ~ ~ --e--Benzene 300 ~ ~ F-- ~ ~ ~_ ~ ~ ~ ~ .-~ -~--Toluene Date ' r Ethylbenzene --x-- Xylenes 200 100 0 Date MW-3 RESULTS 1.2 0.8 -~-BENZENE --~--TOLUENE ETHYLEBENZENE 0.6 -¢e-XYLENES = TRPH --e--OIL & GREASE 0.4 0.2 OIL & GREASE <10, TRPH < 1000 DATE MW-4 RESULTS 12o0 1000 800 z _ --e-- BENZENE ' +TOLUENE ~ ETHYLBENZENE ~' 600 a. ---x-- XYLEN ES u) = TRPH ,~ --e-Oil & GREASE 400 200 TRPH <1000 OIL & GREASE <2000 0 [] ..... ~ , , , [] .... [] , Oct-97 NOV-97 Dec-97 Jan-98 Feb-98 Mar-98 Apr-98 May-98 Jun-98 Jul-98 Aug-98 Sep-98 Oct-98 DATE MW-,5 RESULTS 0.9 0.8 0.7 z O_ 0.6 ---e.- BENZENE '-- --a-- TOLUENE e: 0.5 . ETHYLBENZENE a. ~. XYLENES ~- ~ TRPH n,, 0.4 ~ -+--OIL & GREASE 0.3 0.2 0.1 TRPH <1000 OIL & GREASE <2000 0 --' ..... [] , , , _-- .... ~ , Oct-97 NOV-97 Dec-97 Jan-98 Feb-98 Mar-98 Apr-98 May-98 Jun-98 Jul-g8 Aug-98 Sep-98 Oct-98 DATE MW-6A BTEX RESULTS 50 MW-6A TRPH/OIL & GREASE 45 40 3 3500 3000 2500 --~--TRPH ~ 2000 --~--O L & GREASE 4500 35 ~ 4000 Z ~ 500 O _~ 30 o ~0 O0 ~0 ~0 CO o ~ ~ ~ ~ ~ .~ ~ ~- ~o o~ ,- ~ -- TOLUENE 12. DATE ETHYLBENZENE ~ -~- XYLENES ~' 20 15 10 DATE MW-6B RESULTS 0.9 0.8 0.7 0.6 ~ BENZENE --a-- TOLUENE - ·ETHYLBENZENE 0.5 --x~XYLENES = TRPH 0.4 --e--OIL & GREASE 0.3 0.2 0.1 TRPH <1000 OIL & GREASE <2000 0 ~- , , , [] .... ~ , Mar-98 Apr-98 May-98 Jun-98 Jul-98 Aug-98 Sep-98 Oct-98 DATE SOILS ENGINEERING, INC.' Appendix C Non-Hazardous Waste Manifests ~V~on~Ha~ardous Waste Man~ cz: ~;~/~¢ ~- c~;~ I :5 4 0 Address: ~ ..;~2);e~4m.{~.gr Contact: Ci~, S~te, Zip: ~~ ~ Phone~:. ~ -~_!~ Approve~ Facili~ Loca~on C~, S~te Weight I Volume Un~ ' Resour~ Rene~l 3 Miles East of Madcopa ~e~fietd, California Technolo~, Inc. On H~ 66 I NumberofCon~inem ~ Con~inerType: ~ DumpT~ck ~rums ~ TankTmck ~ Ca,on ~ ~her Waste D~cdption ~ - ~~~_ ~ Gene~ting Pm~ ~. ~~.~r~ ~ Cm~nen~ ~M % ~mponen~ PPM % 1. 1. 2. 2. 3. Pmp~es: ~__ ~ Solid ~quid ~ Sludge ~ Slur~ ~ O~er GENE~TOR CERTIFICA~ON: ~ is to ~i~ ~at ~ obEW~, · e above n~ materias are ~00% non.h~rdo~. In addition the above named waste m~terials are~ Typed or Printed Full Name Coo~ are in proof ~nd~on for ~po~aon ac~rding to all appli~le r~ul~e~. S~n D~e 1 Name:. ~ .~ .T. ~ EPA I.D. #: Addr~: ~. ~ ~q~_l Semi, OrderS: Ci~, Stye, ~p: ~ ~. ~~OHql Pick Up Date: ~ I~'~ '~ · Tm~ Unit I.D. ~: ~' J Typed o~d~t~ull ~- Sig Dine Name: Resource Renewal Technology, lnc. EPAI.D.#: I CAL000124112 I Address: RO. Box 40441 DisPosal Metho.(~ ~. City, State, Zip: Baker~fleld, Calffomia93384-0441 [~1 Recycle r-J Treatment I~ LandfillI-'~Other Phone #: (805) 395-1692 Quantity Discrepancy Typed or Printed Ful~lame ' . ' ?re/C -- I SOilS ENGINEERING, INC. I I REMEDIAL ACTION REPORT i For I Tract 5426 Cladham Common Drive in I Bakersfield, California I Prepared For: I Castle & Cooke California, Inc. I 10000 Ming Avenue Bakersfield, CA. i File No. 97-8308 I I Prepared By: I Soils Engineering, Inc. 4700 District Blvd. i Bakersfield, CA. 93313 I I December, 1997 I I 4700 DISTRICT BLVD. ° BAKERSFIELD, CALIFORNIA93313 · PHONE(805) 831-5100 ° FAX:(805) 831-2111 I SOILS ENGINEERING, INC. I December 11, 1997 Regional Water Quality Control Board 3614 East Ashlan Avenue Fresno, CA 93726 Attn.: Hassan Jakhar Subject: Remedial Action Report Tract 5426 Cladham Common Drive Bakersfield, California Mr. Jakhar: This Remedial Action Report is submitted by Soils Engineering, Inc. (SEI) following the completion of the excavation phase of the soil and groundwater remedial action at the subject site. A Site Assessment Report & Remedial Action Workplan (RAP) dated April 25, 1997 was prepared by SEI and submitted to the Regional Water Quality Control Board (RWQCB) for review and approval. On May 8, 1997 SEI received oral approval of the RAP from Hassan Jakhar of the RWQCB. The following report describes the field work completed between July and October, 1997 to remediate soil and groundwater impacted by petroleum hydrocarbons in accordance with the approved RAP. I SITE HISTORY The subject site is part of a new residential development formerly owned by Tenneco Oil I Company located in Township 30 South, Range 27 East, Section 6 in Kern County (see Location Map, Plate 1). During the grading of Tract 5426 petroleum impacted soils were encountered along Cladham Common Drive between Attleboro and Maidenhead Avenues (see Plot Plan, Plate I 2). The stained surface area was approximately 120 feet long by 40 feet wide. Prior to the grading of Tract 5426, a 15-inch diameter steel pipeline was removed from the subject site after being first encountered on an adjoining Tract. According to the contractor who removed the I pipeline, it ran along the eastern edge of the former James Canal (parallel to Cladham Common Drive) and then angled deeper to the southwest beneath the canal at a maximum depth of approximately 20 feet below ground surface. The area along Cladham Common Drive was the I only area along the former pipeline petroleum hydrocarbon staining where was evident in the soil. I ' I I 4700 DISTRICT BLVD. ° BAKERSFIELD, CALIFORNIA93313 ' PHONE (805) 831-5100 ° FAX: (805) 831-2111 ! SOILS ENGINEERING, INC. I Retnedial Action Report, Cladhatn Comtnon Drive File No. 97-8308 For Tract 5426~ T305~ R27E~ Sec 6~ Bakersfield~ California Page No. 2 I SUMMARY OF ASSESSMENT OF SOIL & GROUNDWATER Preliminary Borings On February 25, 1997, SEI conducted 3 hand auger borings to a depth of 8 feet in the area of surface oil staining (approximately 120 feet by 40 feet). Soil samples were collected at 1 and 8 I feet below ground surface (bgs) at each location and analyzed for Oil and Grease, and Benzene, Toluene, Ethylbenzene, and Xylenes (BTEX) at BC Laboratories. Analytical results of these soil samples indicated no benzene or toluene and only trace concentrations of ethylbenzene and I xylenes. Oil and grease results ranged from 24 parts per million (ppm) to 15,000 ppm (S-1-8'). The analysis for lead was reported as non detect. See Table 1 for more detail. I Since the base of the hydrocarbon impacted soil was not encountered in the hand auger borings, it was recommended by SEI to drill a minimum of one soil boring in the vicinity of the center of the oil staining to define the depth of the migration. Boring B-1 was drilled with a hollow-stem I drilling rig on February 28, 1997 between hand borings S-1 and S-3. Petroleum staining auger was evident in drilling cuttings to a depth of 30 feet bgs. A soil sample was collected at 30 feet for evaluation of staining and odor, and groundwater was evident in the sample. I A second boring (B-2) was drilled near hand auger S-2 to evaluate the vertical depth of petroleum staining in this area. Drill cuttings indicated moderate petroleum staining to at least 27 feet bgs in I sand and silty sand. Soil samples were collected at depths of 20 and 25 feet for analysis (oil and grease) and a groundwater sample (B2-W) was collected with a disposable bailer through the i augers and analyzed for BTEX. A bentonite seal was placed at the bottom of each boring and backfilled up to grade. The soil sample from B-1 at 30 feet had 5,000 ppm oil and grease reported and samples from B-2 at 20 and 25 feet had 5,200 and 3,700 ppm oil and grease I reported, respectively. The groundwater sample collected from B-2 had 73 parts per billion (ppb) benzene and 380 ppb ethylbenzene reported. See Table 1 for more detail. I Previous Site Characterization Soil Characterization I Based on the analytical results of the initial soil borings in the area of Cladham Common Road, SEI recommended an expanded site characterization of soil and groundwater be conducted at the site. A Site Assessment Workplan (Workplan) dated March 6, 1997 was submitted to the IRWQCB for review and approval. Oral approval of this Workplan was given on March 7, 1997 by Hassan Jakhar of the RWQCB. SEI completed the site characterization between March 11, and March 24, 1997 in accordance with the approved Workplan. I An SEI owned and operated Hollow-stem auger drill rig was utilized to advance 23 soil borings. iEighteen of the borings (B-3 through B-20) were drilled in the area of the suspected pipeline leak and five borings (P-1 through P-5) were drilled along the former location of the pipeline to the north and southwest. The soil borings were drilled to a minimum depth of 20 feet bgs and a 1 I SOILS ENGINEERING, INC. Retnedial Action Report, Cladhatn Conunon Drive File No. 97-8308 For Tract 5426t T30S~ R27Et Sec 6~ BakersfieMr California Page No. 3 maximum of 40 feet bgs. Three of the borings (B-13, B-19 and B-20) were drilled I0 to 15 feet below the first water encountered and converted to monitoring wells. To define the western boundary of the soil impacted with petroleum hydrocarbons, borings B-3 through B-7 were chilled on lot 13 and borings B-12 through B-15 were drilled on Lot 15. To define the southern of the soil, B-9 B-11 drilled the edge impacted borings through were near centerline of Cladham Common Drive. To define the northern extent of petroleum impacted softs, borings B-8 and P-4 were drilled. To define the eastem extent of petroleum impacted soil, borings B-16 through 19 were drilled. To evaluate the soil and groundwater conditions near the center of the release, boring B-20 was drilled in the center of Cladham Common Drive just north of boring B- 1. Selected soil samples (35) were analyzed for Oil and Grease by EPA Method 413.1. Soil samples (6) with the highest PID readings were also analyzed for benzene, toluene, ethylbenzene and xylenes (BTEX). Three soil samples were analyzed for Fuel Fingerprint to determine the source of the contamination. Two of the most stained soil samples were also analyzed for CAM 17 Metals, semi-volatile organics (EPA Method 8270), pH and Flash Point as part of a hazardous characterization of the soil. Based on the analytical results of soil samples collected from the soil borings SEI concluded that the approximate area of soil with oil and grease concentrations above 1,000 ppm is 145 feet (north-south) by 155 feet (east-west) extending to a minimum depth of 25 feet where first groundwater was encountered (see Table 1 for analytical results). The total estimated volume of soil impacted with oil and grease over 1,000 ppm was 15,000 cubic yards. Fingerprint analysis indicated the majority of the contamination is crude oil with some kerosene/diesel present. The was as being soil characterized non-hazardous. Groundwater Characterization Three of the borings (B-20, B-13 and B-19) were completed as monitoring wells (MW-l, MW-2, and MW-3, respectively) by installing 2-inch diameter schedule 40 PVC casing in each boring. Fifteen feet of 0.020" slotted casing was installed in wells MW-2 and MW-3 with approximately 25 feet of blank casing extending to the surface. A 20 foot long screen interval (0.02") was placed in well MW-1 with 20 feet of blank PVC casing. Depth to water measurements ranged from 24.89' (MW-l) to 27.65' (MW-2). All of the groundwater samples (3) were analyzed for oil and grease and BTEX. Sample MW-1 was also analyzed for complete geochemical and CAM 17 Metals; The trip blank was analyzed for BTEX. Analytical results of groundwater samples collected from the monitoring wells indicate wells MW-1 and MW-2 are impacted with oil and grease at a concentrations of 31 ppm and 8.6 ppm and benzene at a concentrations of 920 ppb and 500 ppb, respectively. Well MW-3 had no petroleum hydrocarbons reported. The groundwater gradient was calculated by using the depth to water measurements taken on March 18, 1997 and the surveyed top of casing elevations I I SOILS ENGINEERING, INC. I Retnedial Action Report, Cladhatn Comtnon Drive File No. 97-8308 For Tract $426t T305r R27Et Sec 6~ BakersJieldt California Page No. 4 I for each well. The gradient was approximately 0.0142'/' in the south 26 east direction. No free product was measured on the surface of any of the monitoring wells. I SEI concluded that groundwater has been impacted with petroleum hydrocarbons in the' area of wells MW-1 and MW-2 with elevated concentrations of oil and grease, diesel and benzene I reported. Metal analysis indicates elevated arsenic and iron in the groundwater sample from MW- 1, which is believed to be background. Well MW-3 is in the general down-gradient direction from MW-1 and was not impacted with petroleum hydrocarbons. This indicated that the extent of the I groundwater impaction is limited to the general area of the petroleum staining and suspected pipeline release. The groundwater encountered may be part of a localized perched zone caused by water leakage from unlined canals and general surface drainage resting on the silty soil I encountered of 35 feet. at depths i Previous Recommendations SEI recommended the removal of the soil impacted with oil and grease above 1,000 ppm in the area of the release. The removed soil is to be remediated to approximately 200 ppm Total I Recoverable Petroleum Hydrocarbons (TRPH) on-site by bio-remediation. SEI recommended that groundwater be pumped out of the excavation during the soil removal I project to remove the majority of the groundwater impacted with petroleum hydrocarbons. The removed water to be pumped into large Baker Tanks for storage and treatment. Following the removal of impacted soil and water from the excavation, the installation of additional monitoring Iwells (northwest and southeast of MW-1 and southwest of MW-2) and sampling of all of the monitoring wells is recommended to evaluate the subsequent groundwater conditions beneath the site. I REMEDIAL ACTION COMPLETED I The majority of the RAP was completed between July 29 and September 12, 1997. The following describes the remedial work completed to date. I Petroleum Impacted Soils I Excavation Of Hydrocarbon Impacted Soils SEI supervised the removal of the majority of the petroleum impacted soil by excavation with scrapers to the water table (28' bgs) and then with an excavator to an average depth I of approximately 35 feet bgs. Petroleum staining and odor was used to determine the extent of the excavation, along with photo-ionization detector (PID) readings and the analytical results of sidewall and base soil samples. The final excavation dimensions were I approximately east-west by north-south, including slopes (see 400 feet 230 feet all Plate 3 & Appendix F). The water exposed area was approximately 175 feet by 175 feet with an i average depth of approximately 35 feet bgs. A total of 16 sidewall and 11 base (bottom) 1 I SOILS ENGINEERING, INC. I Remedial Action Report, Cladhatn Comtnon Drive File No. 97-8508 For Tract 5426~ T30S~ R27E~ Sec 6~ Bakers, field~ California Page No. 5 I soil samples were collected to evaluate the removal of the hydrocarbon impacted soil. Over excavation and resampling occurred on the sides of the excavation (mainly west I wall) where concentrations were reported above 1,000 ppm Total Recoverable Petroleum Hydrocarbons (TRPH). The soil samples were collected from the excavator bucket with brass sleeves, sealed with Teflon lined caps, labeled and placed in a cooler with blue ice. I The soil samples were analyzed for TRPH by EPA method 418.1, and selected samples for Total Petroleum Hydrocarbons as diesel (TPHd) and BTEX at Halcyon Laboratories, Inc. in Bakersfield, California, a State certified analytical laboratory. Plate 4 presents the I approximate location of the soil samples collected for chemical analyses. The majority of the bottom soil samples had TRPH concentrations over 1,000 ppm, but were collected within the silt/clay zone at a depth of approximately 35 feet bgs. Due to the possibility of I this silt/clay zone preventing further migration of the petroleum hydrocarbons to a lower aquifer this silt/clay zone was not removed and some petroleum hydrocarbons were left in- place to degrade naturally over-time. SEI informed the RWQCB and the City of I Bakersfield Fire Department Environmental Services on August 18, 1997 of the intention to leave the contaminated silt/clay zone in-place, with no objections. Again on August 20, 1997, SEI informed the RWQCB of this situation prior to backfilling the excavation, with I no objections. I During the excavation process an additional petroleum pipeline was uncovered running northeastwardly from the intersection of Cladham Common Drive and Maidenhead Avenue. The northeast end of this pipeline was capped, but approximately 85 feet Of the I pipeline extended into the excavation area. A number of holes were evident along this pipeline which may account for a portion of the contamination observed. This pipeline was cutoff and resealed near the intersection of Cladham Common Drive and Maidenhead I Avenue. Health & Safety I The sides of the excavation east to west at 3:1 and north to were sloped approximately south 1.5:1 to prevent cave-ins and ensure the health and safety of on-site personnel. On August 6, 1997, odor from the removal of the contaminated soil was elevated with PID I readings over 50 ppm for extended periods of time. SEI instructed the heavy equipment operators and other personnel within the excavation area to don half-face respirators with i HEPA and organic cartridges until PID levels decreased. To evaluate the hydrocarbons in the breathing zone SEI collected an air sample in a Tedlar bag on August 6, 1997 and analyzed the sample for BTEX. No BTEX concentrations were detected in the air sample, I but personnel within the excavation continued to wear respirators until August 11, 1997 when groundwater was encountered. The excavation area was sealed off with caution tape to prevent public access and a security guard was present during off hours during the I time the groundwater was exposed within the excavation. I 1 ! SOILS ENGINEERING, INC. I Retnedial Action Report, Cladhatn Cotrunon Drive File No. 97-8308 For Tract 5426~ T30S~ R27E~ Sec 6~ Bakersfield~ California Page No. 6 I Backfilling and Compacting Excavation The excavation was backfilled with "clean" borrow sand from the base of the excavation I (approximately 35' bgs) to just above groundwater which eventually rose to approximately 20' bgs during the backfilling process. Sand was used within the water zone to self-compact to a stable base. From 20' bgs to the ground surface "clean" borrow I (sand & sand) used to fill the excavation. Compaction conducted silty was testing was by SEI personnel from approximately 20 feet bgs to the ground surface in 1-foot lifts to at least 90% relative compaction. See Appendix B for a soil compaction report. I Limited Biotreatability Study i A limited biotreatability study was conducted by Microbe Masters in May, 1997. SEI collected two soil samples (B l-lA-5 & -20) on May 7, 1997 from a soil boring near boring B-1 at depths of 5 and 20 feet bgs. A groundwater sample (MW-lB) was also I collected from well MW-1 to be included in the study. The samples were inoculated with two types of Microbe Masters bacterial cultures MP "Super Cee" and MP "TPH-N" and compared to the original sample for bacterial counts after 24 hours. The analysis indicated I that the hydrocarbon impacted soil is not inhibitory to the bacteria used and that the ground water sample was slightly inhibitory. The bacteria plate counts for the non-treated soil and groundwater samples (2.6 X102 to 3.3 X105) indicated an adequate existing I bacterial population to remediate the soil with the addition of the necessary nutrients (water, nitrogen, oxygen). If necessary, additional microbes can be used on the soil if the existing bacteria populations can not be stimulated effectively to treat the soil. See I Appendix C for Microbe Masters report. The two soil samples (BI-IA-5 & -20) were also analyzed for Total Nitrogen, Total I Phosphorus and Total Sulfur at BC Laboratories for nutrient evaluation. I Disposition Of Hydrocarbon Impacted Soil Approximately 23,600 yards of petroleum hydrocarbon impacted soil was transported and placed in two biocells constructed directly south of the excavation area. The clean I overburden (approximately 17,000 cubic yards) was placed in an adjacent park area. The west biocell (70 feet wide by 1700 feet long) was constructed in the top 5 feet of a former canal. The east biocell (80 feet wide by 1700 feet long) was constructed 15 feet east of I the west biocell with an elevation of 3 feet above ground surface. The biocells were created by forming a 3 foot high berm around the perimeter of each biocell, placing overlapping 10 ml black polyethylene liner within the biocell draped over the soil berm. I Six-inches of clean sand was placed on top of the liner to serve as a buffer zone between the liner and the hydrocarbon impacted soil. Approximately 24 to 36-inches of the hydrocarbon impacted soil was placed upon the clean sand across the biocell. See Plate 5 I for a diagram of the biocells. SOILS ENGINEERING, INC. Remedial Action Report, Cladham Cotntnon Drive File No. 97-8308 .F...or Tract 5426~ T30S~ R27E2 Sec 6~ Bakersfield~ California Page No. 7 Eight composite soil samples were collected on August 25, 1997 from the biocells at each 1/4 section to evaluate the starting concentrations of TRPH within the soil. Soil within the biocells also tested for sulfur, and with field was pH, nitrogen, phosphorus a testing kit. Nitrogen concentrations were low, where as pH and phosphorus concentrations were within the acceptable range. Eight additional composite soil samples were collected on October 29, 1997 from each 1/4 section of the biocells to evaluate the bioremediation progress. The soil samples were analyzed for TRPH, heterotrophic plate counts, and half of the samples for total nitrogen and total phosphorus. The hydrocarbon impacted soil within the biocells are currently being filled and watered weekly to promote the hydrocarbon degrading microbes within the soil. In addition, fertilizer (ammonia nitrate and chicken guano) will be periodically added to the soil to stimulate the bioremediation process. The first application of fertilizer was completed on September 18, 1997 and the second on November 17, 1997. Soil samples will be collected periodically (monthly) to evaluate the progress of the bioremediation process and the nutrient needs of the hydrocarbon degrading microbes. Inoculation of microbes into the soil within the biocell will take place if naturally occurring hydrocarbon degrading microbes axe not effective. When composite soil samples indicate the reduction of the hydrocarbons in the soil to approximately 200 parts per million TRPH, the soil will be considered bioremediated and used as fill material on or off-site. Petroleum Impacted Groundwater Abandonment of wells MW-1 & MW-2 Prior to conducting the excavation, monitoring wells MW-1 and MW-2 were abandoned by filling the well casing and annulus with a sand cement slurry by pressure grouting. A well abandonment permit was acquired from the Kern County Environmental Health Services Department prior to conducting this work. Monitoring well MW-3 was saved by excavating and backfilling around this wells location. Groundwater Removal Between August 12 and August 21, 1997, SEI removed approximately 110,000 gallons of hydrocarbon impacted water from the excavation and stored the water in 6 Baker Tanks I on-site. A trash pump and submersible pump was used to pump the water from the base of the excavation into the Baker Tanks. The water within the excavation was pumped until a significant decrease in groundwater contamination was evident (odor and analysis). I Groundwater samples were collected from the excavations surface on 8/12/97 (sample E- l) and on 8/19/97 (samples SEM-W, NEC-W, Middle (MW-l)) and analyzed for TRPH and BTEX. Sample E-1 was also analyzed for CAM17 Metals, pH and chlorinated I hydrocarbons profiling purposes. for I I ! SOILS ENGINEERING. INC. I Remedial Action Report, Cladhatn Cotmnon Drive File No. 97-8308 For Tract 5426~ T30S~ R27E~ Sec 6~ BakersJield~ California Page No. 8 I In addition to the removal of groundwater, SEI periodically used floating boom and absorbent pads to corral and remove the oil liberated out of the soil during the excavation I process and floating on the surface of the water. At the end of the excavation process the pond was thoroughly skimmed with the boom to remove the remainder of floating oil on the surface. As a result of this cleanup process four (4) 55-gallon drums of oil soaked I pads were generated along with 150-feet of oily boom. This material was disposed of at McKittrick Waste Treatment Site on October 3, 1997 under a non-hazardous waste manifest (Appendix D) I Disposition Of Groundwater i The groundwater stored within the Baker Tanks was sampled and analyzed for oil and grease and BTEX to evaluate concentrations within some of the tanks (samples 958M, 91G and 108BEA). The analytical results ranged from a high of 14 ppb to none detected I (ND) for benzene. The stored groundwater was treated by pumping the water through two (2) half-full 2,000 lb. Granular Activated Carbon (GAC) canisters setup in series. The treated groundwater was pumped into a clean Baker Tank and sampled prior to the I distribution of the water onto the biocells by way of a water truck. The effluent groundwater samples were analyzed for BTEX and Oil & Grease with all results indicating successful treatment of the water (see Table 2 for results and Appendix A for analytical i reports). The spent GAC was transported to Cameron Environmental's licensed facility on 9/15/97 for disposal/recycling (see Appendix D for manifest). i Monitoring Well Installations Between September 24, and September 29, 1997, SEI re-installed monitoring wells MW-1 (as MW-lA) and MW-2 (as MW-2A) near their previous locations and installed additional I 2-inch diameter monitoring wells (MW-4, MW-5 and MW-6A & 6B) outside the excavation area. Wells MW-lA and MW-2A were completed as 4-inch diameter PVC i cased wells similar to the original wells with 15-feet of screen interval (0.02") and a total depth of 35 feet. Well MW-4 was placed at the northwest intersection of Attleboro Avenue and Cladham Common Drive with 15 feet of screen interval (0.02") and a total I depth of 35 feet. Well MW-5 was placed 190 feet southwest of well MW-2A with 15 feet of screen interval (0.02") and a total depth of 35 feet. Well MW-6A was drilled to a depth of 50 feet (10 feet of screen installed), since significant water was not encountered in this I boring until a depth of 45 feet, where a deeper water zone apparently was encountered. Adjacent well MW-6B was installed to a depth of 35 feet in case water later entered from the shallower water zone. MW-6A and 6B were placed 245 feet southeast of well MW- I lA. Each well was completed with #3 sand filter pack covering a minimum of 2 feet above the top of the screened interval with a minimum of 3 feet of bentonite seal placed over the sand. Neat cement was placed from the bentonite seal to within 1 foot of the I surface. A traffic rated well box was concreted in-place over the well with a locking well cap placed on top of the casing. See attached boring logs in Appendix E for well completion's and Plate 2 for monitoring well locations. 1 SOILS ENGINEERING, INC. Remedial Action Report, Cladham Comtnon Drive File No. 97-8308 For Tract $426~ T30St R27E~ Sec 6~ BakersJieldt California Page No. 9 Purge & Sampling Of Monitoring Wells new monitoring were depth to water and fully On October 1, 1997, the wells measured for developed by surging, bailing and pumping until the water ran clear (a minimum of 6 well volumes). Well MW-6B did not have any water within the casing and was not developed or sampled. On October 3, 1997, all of the wells were measured for depth to water, purged of a minimum of 3 well volumes with submersible pumps, and sampled with a new disposable bailer. Water was decanted into two 1-Liter bottles and two 40 mi VOA's for each well. The sample bottles were sealed, labeled and placed into a cooler with blue ice. Groundwater samples were analyzed for oil and grease, TPHd and BTEX at a State certified analytical laboratory. Development and purge water was stored in 55-gallon drums and will be recycled at a later date. I On October 29, 1997, monitoring well MW-6A was purged and resampled to verify the first test result. The water sample from MW-6A was analyzed for BTEX at BC Laboratories. I Groundwater Gradient The new monitoring wells were surveyed for top of casing elevations and location by I Martin-Macintosh on October 1, 1997. The depth to groundwater measurements and the top of casing elevations were used to calculate water elevations within each well to determine the groundwater gradient. I FINDINGS I SOIL SAMPLES I Excavation A total of 27 soil samples were collected from the excavations sidewalls and bottom and analyzed for TRPH by EPA Method 418.1 and selected soil samples were also I analyzed for BTEX and TPH as diesel. Additional sidewall soil samples were collected and analyzed for TRPH from the northern and middle of the west wall after over-excavation until concentrations were less than 1,000 ppm TRPH. Final sidewall I soil samples had TRPH concentrations ranging from ND (less than 50 ppm) to 885 ppm indicating that the majority of the hydrocarbon contamination was removed on the perimeter of the excavation. Plate 4 presents the approximate location of the soil I and the results. See Table 2 and Appendix A for complete samples analytical analytical results. I Analytical results of the bottom soil samples ranged from 71 ppm to 11,000 ppm TRPH and 0.071 ppm to 0.41 ppm benzene. The northern quarter section of the i excavation had bottom TRPH concentrations less than 1,000 ppm. In the remainder of I SOILS ENGINEERING, INC. Remedial Action Report, Cladham Cotmnon Drive File No. 97-8308 For Tract 5426~ T30Sz R27Et Sec 6t Bakersfieldt California Page No. 10 the excavation the hydrocarbon contaminated soil was removed to an average depth of 35 feet bgs where the silt/clay zone was encountered. This silt/clay zone may be a barrier to prevent the additional migration of the hydrocarbon impacted water to a deeper aquifer (perched or confined), so this zone was not penetrated during the excavation process. Plate 4 presents the approximate location of the soil samples and the analytical results. See Table 2 and Appendix A for complete analytical results. Biocell soil locations combined into 1 collected from each Composite samples (4 sample) were quarter section of the east and west biocells on August 25, 1997 and analyzed for TRPH. The analytical results ranged from 710 to 1800 ppm TRPH for the east biocell and 1200 to 4600 ppm TRPH for the west biocell. On October 29, 1997 another 8 composite soil samples ( 4 locations combined into 1 sample per quarter section) were collected from the biocells and analyzed for TRPH, heterotrophic plate counts and half for total nitrogen and phosphorus. The samples were collected approximately 1 foot beneath the surface and composited in the field. The analytical results ranged from 1300 to 1900 ppm TRPH for the west biocell and 1200 to 4800 ppm TRPH for the east biocell. Heterotrophic plate counts ranged from 4.41 x 107 to 2.69 x 108 CFU/ml indicating sufficient bacterial presence. Nitrogen content was low and phosphorus content was good. Additional nitrogen and chicken guano was applied on November 17, 1997 to the biocells through the sprinkler system. See Plate 5 for the approximate location of the soil samples and Table 2 and Appendix A for complete analytical results. GROUNDWATER Excavation Groundwater samples were collected from the excavations surface on 8/12/97 (sample E-l) and on 8/19/97 (samples SEM-W, NEC-W, Middle (MW-l)) with disposable bailers and analyzed for TRPH and BTEX. Sample E-1 was also analyzed for CAM17 Metals, pH and chlorinated hydrocarbons for profiling purposes, if necessary. There was a large decrease in both benzene (120 ppb to 38 ppb) and TRPH (22,000 to 8,600 ppb) concentrations in the water samples collected only 7 days apart. Plate 7 shows the approximate location of the water samples and Table 2 and Appendix A presents complete analytical results. Treatment Of Stored Water Approximately 110,000 gallons of water was pumped through a GAC treatment system to remove the majority of the petroleum hydrocarbons prior to being placed on I I SOILS ENGINEERING, INC. I RetnedialAction Report, Cladhatn Cotntnon Drive File No. 97-8308 For Tract 5426~ T30S~ R27E~ Sec 6~ Bakersfield~ Cal~[ornia Page No. 11 I the biocells with a water truck. A water sample was collected from the effluent stream for each Baker Tank that was being treated. A 40 ml VOA and a l-liter bottle I was filled for each sample and analyzed for TRPH and BTEX at Halcyon Laboratories. The analytical results were all ND for BTEX and TRPH except for sample W-108BEA which had 0.21 ppb benzene, 8.6 ppb toluene, 0.57 ppb I ethylbenzene and 2.1 ppb xylenes reported. Each Baker Tank was cleaned out and transported off-site. See Plate 8 for a diagram of the GAC system setup. I Monitoring Wells The six (6) monitoring wells were purged and sampled on October 3, 1997 with the I water samples analyzed for BTEX, TRPH and TPHd. The analytical results of the water samples indicate that the outlying monitoring wells (MW-3, MW-4, and MW-5) have no significant petroleum hydrocarbons present. The analytical results of the i water samples from the two interior wells (MW-lA and MW-2A) and well MW-6A indicate some minor petroleum hydrocarbons are still present. Well MW-lA had benzene reported at 1.2 ppb and no oil & grease concentrations. Well MW-2A had I benzene reported at 17 ppb and oil & grease at 1.6 ppm. Well MW-6A had benzene reported at 43 ppb on October 3, 1997 and 31 ppb on October 29, 1997, but no oil & grease or TPHd concentrations were reported. I Analytical results of soil samples collected from the base of the soil borings indicate TRPH concentrations of 7000 ppm and 9700 ppm from 35 feet bgs at borings MW-lA I and MW-2A, respectively, and none detected (ND) in borings MW-4, MW-5 and MW-6. I Groundwater Gradient The depth to groundwater measurements in each well recorded on 10/3/97 and the top i of casing elevations were used to calculate water elevations within each well to determine the groundwater gradient. The estimated groundwater gradient was 0.022'/' in a S72E direction on the east side of the site and 0.0055'/' S30W on the I west side of the site. Well MW-6A appears to be screened in a lower water zone and the water table elevation determined for this well does not correspond to the other 5 wells. See Plate 6 for a groundwater gradient map. I CONCLUSIONS I Soil The majority of the petroleum hydrocarbons at the site have been removed down to an average Idepth of approximately 35 feet bgs (6 to 8 feet below groundwater table) where a silt/clay zone prohibited the continuation of the excavation any deeper. An estimated 23,600 cubic yards of petroleum impacted soil was placed in two biocells south of the excavation to bioremediate. The i I SOILS ENGINEERING, INC. Retnedial Action Report, Cladhatn Cotmnon Drive File No. 97-8308 For Tract 5426~ T30S~ R27E~ Sec 6~ Bakersfield~ California Page No. 12 clean overburden (an estimated 17,000 cubic yards) was placed in an adjacent park area. The analytical results of soil samples collected from the excavation sidewalls indicate the successful petroleum hydrocarbons laterally to less than 1,000 ppm TRPH. The analytical removal of the results of soil samples collected from the excavations base indicate elevated TRPH concentrations over 1,000 ppm were left in the silt/clay zone at approximately 35 feet, but no benzene concentrations were reported over 1 ppm. Approximately 35 feet of "clean" fill now separates the remaining petroleum hydrocarbons in the soil from the ground surface. Initial soil samples collected and analyzed from the two biocells had average TRPH concentrations of 2750 ppm on the west cell and 1352 ppm on the east cell. The second set of soil samples analyzed from the biocells had average TRPH concentrations of 1700 ppm on the west cell and 2175 on the east cell. A large decrease occurred on the west cell, but the east cell increased due to one high sample result (N1/4E-2). Bacterial counts appear sufficient to remediate the soil to acceptable levels. Continued tilling and applications of fertilizer and water to the soil in the biocell should decrease these concentrations over time. I Groundwater Approximately 110,000 gallons of water were removed from the excavation, stored in six Baker I Tanks, successfully treated through a GAC treatment system and distributed onto the biocells. Petroleum hydrocarbons liberated from the soil into the groundwater were removed by periodically skimming the ponds surface with boom and absorbing the corralled hydrocarbons i with absorbent pads. Monitoring wells MW-1 and MW-2 were abandoned prior to excavation activities. Five I monitoring were installed to define lateral extent of the petroleum hydrocarbons wells the the groundwater. The analytical results of water samples collected from the perimeter wells (MW-3, i MW-4 and MW-5) indicate no significant petroleum hydrocarbons are present. The analytical results of water samples collected from the interior wells MW-lA and MW-2A and well MW-6A indicate petroleum hydrocarbons are present, but at much less concentrations than prior to the i excavation activities. Water samples collected from wells MW-1 and MW-2 in March, 1997 had benzene concentrations of 990 and 550 ppb, respectively, compared to 1.2 'and 17 ppb for corresponding new wells during this investigation. This significant reduction in benzene I concentrations indicates the successful removal of the majority of the petroleum hydrocarbons in the groundwater. I Well MW-6A appears to be screened in a slightly deeper water zone and water table elevations do not correspond to the other 5 wells. Benzene concentrations found in this well indicate that the groundwater plume extends further south of the excavation area than the location of MW-6A. I Well MW-6B was dry during this monitoring event. Since the nearest public groundwater well is over 1/2 mile down-gradient of the site and produces i from a water bearing zone hundreds of feet deepert, it that the petroleum hydrocarbons in appears I SOILS ENGINEERING, INC. Retnedial Action Report, Cladham Cotntnon Drive File No. 97-8308 For Tract 5426~ T30St R27Et Sec 6~ BakersJieMr Catifornia Page No. 13 the groundwater are not a threat to the public water supply. Approximately 30 feet of "clean" fill separates the present level of groundwater and the ground surface. RECOMMENDATIONS Soil SEI recommends the continued monitoring and maintenance of the soil within the biocells until the reduction-in odor and staining indicate a significant reduction in petroleum hydrocarbon concentrations has occurred. At that time, composite soil samples (4 individual soils samples) should be collected from each 500 cubic yards of soil and analyzed for TRPH and 1/5 for TPHd and BTEX to evaluate the bioremediation process. Soil with TRPH concentrations within the range of 200 ppm will be considered remediated. Soil with TRPH concentration significantly over 200 ppm will be further bioremediated and resampled until TRPH concentrations are approximately 200 ppm TRPH. If necessary, biocultures will be imported to inoculate the soil with hydrocarbon degrading microbes to further reduce TRPH concentrations to acceptable levels. Once the soil has been fully remediated the soil will be used as fill material on or off-site. The soil at the base of the excavation with TRPH concentrations over 1,000 ppm will be left in- place to naturally degrade over time. Ground Water SEI recommends the continued monitoring and sampling of the groundwater monitoring wells to evaluate the groundwater quality beneath the site over time. One additional monitoring well south of MW-6A may be required to define the southern limit of the groundwater plume. Since the nearest public groundwater well is over 1/2 mile down-gradient of the site and produces from a water bearing hundreds of feet deeper~, it that the contaminants in the zone appears groundwater are not a threat to the public water supply or to future occupants of the site. If after 1 year of groundwater monitoring the outlying wells (MW-3, MW-4, MW-5 and MW-6A & B) remain free of significant petroleum hydrocarbons then SEI will recommend closure of this site. REFERENCE 1) Conversation with Kim Hedrick of California Water Service on November 6, 1997, concerning City of Bakersfield well ~CBK 23-01, near intersection of Camino Media and Old River Road, static water level 141' (10/97), perforated interval between 320' to 780'. I i I i SOILS ENGINEERING, INC. Retnedial Action Report, Cladhatn Cotntnon Drive File No. 97-8308 I _For Tract 5426~ T30S~ R27E~ Sec 6~ Bakersfield~ California Page No. 14 LIMITATIONS I This for the exclusive of Castle & Cooke Inc. it report was prepared use California, relates tO the property described. The discussion and conclusions presented in this report are based on: I - The test borings performed at this site. - The observations of field personnel. - The results of laboratory tests performed by BC Laboratories and I Halcyon Laboratory of Bakersfield, California - Our understanding of the regulations of the California Regional I Water Quality Control Board. The services performed by SEI have been conducted in a manner consistent with the levels of i care and skill ordinarily exercised by professionals currently practicing, under similar conditions in California. The absence of contamination on or beneath the property cannot be guaranteed by this report. SEI is not responsible for any contamination or hazardous material found on the i property. No other warranty expressed or implied, is made. Please call Soils Engineering, Inc. at (805) 831-5100 if you have any questions or comments I c oncerning this Remediation Report.' ~ Sincerely, - I Robert J. Becker, R.G. #5076 "~-~R I~,..t,_..~.~-: 2'1 I Environmental Division Manager ~ Enclosures: Table 1, Previous Analytical Results I Table Current Results 2, Analytical Location Map, Plate 1 Plot Plan, Plate 2 I Excavation Area, Plate 3 Excavation Area with Soil Sample Locations & Results, Plate 4 i Biocells, Plate 5 Groundwater Gradient, Plate 6 Excavation Water Sample Locations, Plate 7 Granular Activated Carbon Treatment System, Plate 8 Appendix A, Analytical Reports Appendix B, Soil Compaction Report I Appendix C, Microbe Masters Report I I I SOILS ENGINEERING, INC. Remedial Action Report, Cladham Common Drive File No. 97-8308 For Tract 5426~ T30S~ R27E~ Sec 6~ BakersJield~ California Page No. 15 I Appendix D, Waste Manifests Appendix E, Boring Logs I Appendix F, Surveyed Excavation Limits cc: Tak Fujii, Castle & Cooke California, Inc. (6) I Howard Wines, City Of Bakersfield Fire Department, Environmental Services Bob Wyatt, Beveridge & Diamond 1 i I 1 I 1 1 1 I I I I I I Table 1-Tract 5426 TABLE 1 PREVIOUS ANALYTICAL RESULTS Tract 5426, Cladham Drive Bakersfield, California Samples Collected February & March, 1997 SOIL SAMPLES Concentrations in mq/kg (parts per million) Sample Number I Date I Benzene I Toluene I Eth¥1benene I X¥1enes I Oil & Grease I Flash PointI Elevated Metals I Semi-Volafiles S-1-1' 2/25/97 <2 <2 5.5 7.6 13.000 None S-1-8' 2/25/97 <2 <2 13 9.5 15,000 S-2-1' 2/25/97 <0.005 <0.005 <0.005 <0.01 24 S-2-8' 2/25/97 <0.3 <0.3 1.7 1.5 3,000 S-3-1' 2/25/97 <0.03 <0.03 O.061 0.083 350 S-3-8' 2/25/97 <0.9 <0.9 8.2 6.3 1,000 B-1 @ 30' 2/28/97 NA NA NA NA 5,000 B-2 @ 20' 2/28/97 NA NA NA NA 5,200 B-2 @ 25' 2/28/97 NA NA NA NA 3,700 B-3-10 3/11/97 <0.5 <0.5 <0.5 <1 2,300 B-3-20 3/11/97 NA NA NA NA 4700 (2900d,2100co) B-3-25 3/11/97 NA NA NA NA 990 B-4-15 3/11/97 NA NA NA NA 11,000 B-4-20 3/11/97 <2 <2 <2 <3 9,300 B-5-18 3/11/97 NA NA NA NA 26 B-5-23 3/11/97 NA NA NA NA 740 B-6-15 3/11/97 NA NA NA NA 28 B-6-25 3/11/97 NA NA NA NA <20 B-7-15 3/11/97 NA NA NA NA <20 B-7-20 3/11/97 <0.2 <0.2 <0.2 <0.3 960 B-8-15 3/11/97 NA NA NA NA <20 B-8-20 3/11/97 NA NA · NA NA 48 B-8-24 3/11/97 NA NA NA NA <20 B-9-5 3/12/97 NA NA NA NA 3,500 >190F None B-9-15 3/12/97 NA NA NA NA 2100d, 2100co 14-MNap, 5-Nap B-9-23 3/12/97 <0.3 <0.3 <.2. <3 7,200 B-10-15 3/12/97 NA NA NA NA <20 B-11-20 3/1 2/97 NA NA NA NA <20 B-12-20 3/12/97 NA NA NA NA 2,500 B-12-25 3/12/97 NA NA NA NA <20 B-13-20 3/12/97 NA NA NA NA <20 B-13-25 3/12/97 NA NA NA NA <20 B-13-35 3/12/97 NA NA NA NA 580 Page 1 Table 1-Tract 5426 B-13-37 3/12/97 NA NA NA NA 100 B-14-20 3/1 2/97 NA NA NA NA <20 B-15-23 3/1 2/97 NA NA NA NA <20 B-16-20 3/1 2/97 0.41 <0.2 4.9 1.3. 1,800 B-16-25 3/12/97 NA NA NA NA 470d, 420co B-17-20 3/1 2/97 NA NA NA NA <20 B-18-20 3/1 2/97 NA NA NA NA <20 B-19-25 3/14/97 NA NA NA NA <20 B-1 9-35 3/1 4/97 NA NA NA NA B-20-10 3/14/97 2.4 <0.5 38 <1 2,600 None 7-MNap, 2.8-Nap, 1-Phen B-20-20 3/14/97 NA NA NA NA 6,900 B-20-30 3/14/97 NA NA NA NA 2,500- B-20-35 3/14/97 NA NA NA NA 5,700 WATER SAMPLES Concentrations in u~[. (parts per billion (ppb)) Sample Number I Date I Benzene I Toluene I Eth¥1benene I Xylenes I Oil & Grease I Flash Point I Elevated Metals I Elevated Geochem B2-W 2/28/97 73 <3 380 <6 NA MW-1 3/18/97 920 <10 500 <20 31000 AR-159, FE-9950 None MW-1 3/24/97 990 <6 540 <20 66000 (FP = 16,000d, 14,000co) MW-2 3/18/97 500 <5 76 <10 8600 MW-2 (Dup) 3/18/97 560 <6 92 <20 NA MW-2 3/24/97 550 <6 100 <20 6000 MW-3 3/18/97 <0.3 <0.3 1.1 1,1 <1000 MW-3 3/24/97 <0.3 <0.3 <0.3 I <1000 TB 3/18/97 <0.3 <0.3 <0.3 <0.6 NA TB 3/18/97 <0.3 <0.3 <0.3 <0.6 NA NA = Not Analyzed, d = diesel, co = crude oil, MNap = 2-Methylnaphthalene, Nap = Naphthalene, Phen = Phenanthmne, Ar= Arsenic, Fe = Iron P~e2 I Table 2-Tract 5426 SOILS ENGINEERING, IN(::. TABLE 2 ANALYTICAL RESULTS Tract 5426, Cladham Drive Bakersfield, California Samples Collected August to November, 1997 SOIL SAMPLES Concentrations in rog/kg (parts per million) Sample Number I Date Benzene I Toluene Ethylbenene I Xylenes TRPH ITPHdl Plate Count Excavation Samples N WALL 27' 8/11/97 NA NA NA NA 95 S WALL 28' 8/11/97 NA NA NA NA 160 NWC 32' 8/13/97 0.029 0.017 0.014 0.026 178 <0.5 NW BTM 35' 8/13/97 NA NA NA NA 71 W-WALL-N 8/1 3/97 NA NA NA NA 1527 W-WALL-N2 8/14/97 NA NA NA NA 4,500 W-WALL-N3 8/1 4/97 NA NA NA NA 87 N-WALL-E 8/1 3/97 NA NA NA NA 110 BTM-M 8/1 3/97 NA NA NA NA 6,900 E-BTM-N 8/1 3/97 0.048 0.11 0.049 0.107 770 <0.5 SWC-32' 8/14/97 NA NA NA NA <50 W-BTM-M 8/15/97 NA NA NA NA 1,500 W-BTM-C 8/15/97 NA NA NA NA 11,000 W-WALL-M 8/15/97 <0.005 0.032 0.006 0.051 2,700 1,500 W-WALL-M2 8/18/97 NA NA NA NA <50 S-BTM-M 8/15/97 0.17 0.24 0.19 0.24 9,500 E-WALL-S 8/18/97 NA NA NA NA <50 SEC-2 8/18/97 NA NA NA NA <50 W-WALL-S 8/18/97 0.086 0.24 0.079 0.39 885 S-BTM-E 8/15/97 0.24 <0.07 4.7 4.5 3700(1300d, 1100co) S-BTM-E2 8/18/97 0.61 0.97 0.22 1 9,900 SEC-32' 8/18/97 <0.005 0.021 <0,005 0.037 110 BTM-M-W 8/18/97 0.41 0.89 0.47 1.4 5,300 <0.5 E-WALL-N 8/19/97 NA NA NA NA <50 E-BTM-C 8/19/97 NA NA NA NA 8,300 E-WALL-M 8/20/97 NA NA NA NA 380 E-BTM-M 8/20/97 0.071 0.11 0,073 0.15 2,300 <0.5 BIOCELL Samples N 1/4W 8/25/97 NA NA NA NA 1900 N 1/4W-2 10/29/97 NA NA NA NA 1900 2.69xl 08 N1/4E 8/25/97 NA NA NA NA 1100 N 1/4E-2 10/29/97 NA NA NA NA 4800 7.55xl 07 N 1/2W 8/25/97 NA NA NA NA 4600 N 1/2W-2 10/29/97 NA NA NA NA 1900 4.81x 107 N1/2E 8/25/97 NA NA NA NA 1800 N 1/2E-2 10/29/97 NA_ NA NA NA 1300 4.84x 107 S 1/2W 8/25/97 NA NA NA NA 1200 S 1/2W-2 10/29/97 NA NA NA NA 1300 6.55x 107 S1/2E 8/25/97 NA NA NA NA 710 S1/2E-2 10/29/97 NA NA NA NA 1200 5.41x 107 S 1/4W 8/25/97 NA NA NA NA 3300 S1/4W-2 10/29/97 NA NA NA NA 1700 6.27x 107 S1/4E 8/25/97 NA NA NA NA 1800 S1/4E-2 ! 0/29/97 NA NA NA NA 1400 5.7x 107 I Page 1 Table 2-Tract 5426 SOILS ENGINEERING, INC. Sample Number t Date I Benzene I Toluene I Ethylbenene I Xylenes I TRPH I TPHdl Plate Count Soil Borings MW-1 A-35' 9/26/97 NA NA NA NA 7000 MW-2A-35' 9/26/97 NA NA NA NA 9700 MW-4-30' 9/26/97 NA NA NA NA <50 MW-5-30' 9/24/97 NA NA NA NA <50 MW-6-30' 9/24/97 NA NA NA NA <50 MW-45' 9/24/97 NA NA NA NA <50 WATER SAMPLES Concentrations in ug/L (parts per billion (ppb)) Sample Number I Date I Benzene l T°luene I Eth¥1benenel Xylenes I TRPH I TPHdl Metals 958M(TANK) 8/15/97 <0.5 <0.5 <0.5 <0.5 NA 91G(TAN K) 8/15/97 14 4.1 <0.5 105 NA E-1 (excavation water) 8/12/97 120 6.6 160 <5 22000 0.19 Barium SEM-W 8/19/97 12 8 10 23 8600 N EC-W 8/19/97 25 28 14 48 7800 Middle(MW-1 ) 8/19/97 38 25 28 79 6400 108BEA(TANK) 8/25/97 0.88 6.7 2.4 13 1100 TREATED WATER W-9-3 9/3/97 <0.5 <0.5 <0.5 <0.5 <50 W-1562 9/5/97 <0.5 <0.5 <0.5 <0.5 <50 W-889N 9/8/97 <0.5 <0.5 <0.5 <0.5 <50 W-91GRC 9/9/97 <0.5 <0.5 <0.5 <0.5 <50 W-108BEA 9/10/97 0.21 8.6 0.57 2.1 <50 W-958-M 9/11/97 <0.5 <0.5 <0.5 <0.5 <50 MONITORING WELLS MW-1A 10/3/97 1.2 <0.3 0.92 <0.6 <1000 220 MW-2A 10/3/97 17 <0.3 14 42 1600 1000 MW-3 10/3/97 0.58 <0.3 <0.3 <0.6 <1000 <200 MW-4 10/3/97 <0.3 <0.3 <0.3 <0.6 <1000 <2.00 MW-5 10/3/97 <0,3 <0,3 <0.3 <0.6 <1000 <200 MW-6A 10/3/97 43 <0.3 7.7 1.1 <1000 <200 MW-6A 10/29/97 31 <0.3 <0,3 <0,6 NA NA TB 10/3/97 <0.3 <0.3 <0.3 <0.6 NA NA NA = Not Analyzed, d = diesel, co = crude oil, TRPH = Total Recoverable Petroleum Hydrocarbons, TPHd = Total Petroleum Hydrocarbons as diesel, Plate Counts in CFU/ml I. Page 2 TRACT 5426 SOILS ENGINEERING, INC. CLADHAM COMMON DRIVE 4700 District Blvd. Bakersfield, CA 93313 Bakersfield, California PRojEct humE.: ~nv97-:sLocation Map I ! MW~ A il Sloped Walls Of Excavation ATTLEBORO AVENUE O ~ by 230') N H A ~! M ~ Slope~ ' C ii MMO ~ 0 Deep Excavation Area N 1o Groundwater (175' LOT 13 D R LOT 12 MW-1 A FUTURE PARK RESIDENTIAL PROPERTIES Slope Slope B-1~)..~-3) LOT 15 LOT 16 i~ MW-2A -~ Monitoring Well Slo Approximate Loc~tlon Of Pi SCALE :~ 0 40 I I MW-5 MAIDENHEAD AVENUE (DORCHESTER) MW-6B SOILS ENGINEERING, INC. 58. TRACT 5426 PLATE 4700 District Blvd. CLADHAM COMMON DRIVE Bakersfield, CA 93313 Bakersfield, California 2 PROJECT NUMBER: 8308 Plot Plan L ~ Sloped Walls Of Excavation A i! (40>' by =3o" N A TTLEBORO A VENUE D ",L~ Slope .-1.5:1 N-WALL-27'M ~ N-WALL- O NWC-32' ii N Deep Excavation Area ii To Groundwater (175' by 175') NW BTM 3.5' D i~ R ::) E-BTM-N LOT 12 LOT 13 E-WALL-N W-WA,,-.3 O O ~ E-BTM-C FUTURE BTM-M I W-WALL-N2 O O RESIDENTIAL W-BTlt PROPERTIES l W-WALL-M E-WALL-M W-WALL-1~I2 O ::::) Slope 3:1 I O E-BTM-M i~-1.~-3) I LOT 15 Slope 3:1 -BTM-E LOT 16 I ) W-WALL-S S-BTM-E2 I S-BTM-M ~ SEC-2 I iSWC-32' S-WALL-28' I O Soil Sample I Slop~11.5:1 Monitoring Well Approximate Location Of Pipeline SCALE I 0 40 I I MAIDENHEAD A VENUE (DORCHESTER) TRACT 5426 SOILS ENGINEERING, INC. CLADHAM COMMON DRIVE 4700 District Blvd. Bakersfield, CA 93313 Bakersfield, California PROJECT NUMBER: 97-8308 EXCAVATION PLOT c + L A Sloped Walls Of Excavation ATTLEBORO AVENUE D (40 !' by 230" N A ii M Slope :1.5:1 :: C .-WALL-27' M "-WA''~'-E"X NWC-32' 95 O 110 178 !i N ~ Deep Excavation Area To Groundwater (175' by 175') LOT 12 LOT 13 E-WALL-N <$0~ W-WALL-~ W-WALL-.3 O O 1527 87 BTM-M I W-WALL-N2 O 6900 O 8300 RESIDENTIAL 4500 W-BTI~ -M PROPERTIES I W-WALL-M C ~1500 il.,,.-,~ E'WALL'M1 W-WALL-1~I2 02700 W-BTM-C ii i~(,..) 380 I Slope 3:1 <50 I ND O 11000 ~ E-BTM-M I == ~ 2300 I B-19 (.MW-3) I LOT 15 ii ~ 0.071 / Slope 3:1 I BTM ~I-W il S-BTM-E LOT 16 I (: 15300 !i (~ ~3700 E-WALL ~0.24 <50 I 885 0.41 S-BTM-E2 ._~ f ~ SEC-2 / 0.086 S-BTM-M , o.,, I swc-32, S-W~tLL.28' 160 ND I :: O Soil Sample I Slopeli1.5:1 Monitoring Well TRPH In ppm Approximate Location Of Pipeline 0.17 Benzene In ppm SCALE I 0 40 I I MAIDENHEAD A VENUE (DORCHESTER) TRACT 5426 PLATE SOILS ENGINEERING, INC. CLADHAM COMMON DRIVE 4700 District Blvd. Bakersfield, CA 93313 Bakersfield, California PROJECT NUMBER: 97-8308 EXCAVATION SOIL SAMPLES Water Line N Sprinklers 10 mil Liner Covered with 6-inches -- of clean soil 1700' · Soil Sample 8/25/97 Elevated Soil Berm O Soil Sample 10/29/97 ~ To Water Source (fire hydrant) 1800 TRPH Concentration in ppr Not To Scale, PLATE CASTLE & COOKE SOILS INC. TRACT 5426 ,-,,~,m,-,-illm~, 4700 District Blvd, Bakersfield,CA Bakersfield, CA 93313 DATE: 9/25/97 BIOREMEDIATION CELLS PROJECT NUMBER: 8308 - 337.4~5' / A TTLEBORO AVENUE / I CL 337.0' MW-,^ /AH j / FUTURE,ARK 337.03' , I M,I I -¥ r B-2O (M N.'I} / · o"r.~'~ ,o'r'~: o~-..-.~.qZ~.;, _A..D / :~34.0' . . i "~! / B 9/{MW-3) -1 RESIDENTIAL bV~-2A ./ r~ ./ --! . .,,,.w,,-u-/. I ~~ / / Eastside Gradlent On 10/3/97 i Westslde Gradi,e, nt On 10/3/97 ~ / . 1 j_MW'5 ! = 0.0055/' S30W / / '-O-- Monitoring Well ~~ ~ / ~ ^be.do.ed 335.47' ~ ~ ~ ' ''~ ~'- Monitoring Well ' ~ ~ .1~ Estimated Gradient ~-"-"~ Direc~igl~ N MW-*^.tSA_uw-~ /'~29.37' yy NA 0 70 TRACT 5426 PLATE SOILS ENGINEERING, INC. Cladham Common Drive 4700 District Blvd. BAKERSFIELD C~,iFORNIA ~-- Bakersfield, CA 93313 0 D^=: ~o/~4/97 GROUNDWATER GRADIENT 10/3/97 PROJECT NUMBER: 97-8308 I MW-4 _(~ i/ ' A ii Sloped Wal!s Of Ex,c, avation ATTLEBORO AVENUE !ili ii HD ! (400~ by 230 ) N o ~-~ O NEC-W Deep Excavation Area I N .)5/7800) Groundwater (175' by 175'i I LOT 13 D 0 R E-1 LOT 12 (120/22000) :.Middle (MW- MW-lA O FUTURE PARK RESIDENTIAL 'Remaining Dirt Brid( PROPERTIES Slope Slope LOT 15 ii SEM-W e'l'~)'w''3)- """ I i (12/8600) / LOT 16 J :::' I ~W-2A I :: 0 Water Sample J ii Monitoring Well J Bio 38/6400) Benzene/Oil & Grease in ppb I SCALE Approximate Loc;~tlon Of Pi 0 40 I I I MW-5 MAIDENHEAD A VENUE (DORCHESTER) MW-6B SOILS ENGINEERING, INC. 58, TRACT 5426 4700 District Blvd. CLADHAM COMMON DRIVE Bakersfield, CA 93313 Bakersfield, California '/ PROJECT NUMBER: 8308 Excavation Water Samoles 2" Di~,charge Hose 2-inch IVC 20,000 GALLON BAKER TANK BAKER TANK "Contaminated" "Clean" Bag Flow Filter 2000 2000 Lb. Lb. Liquid Liquid Phase Phase Submersible Pump Effluent Sampling Point CASTLE & COOKE PLATE Tract 5426, Cladham Common Dr. SOILS ENGINEERING, INC. Bakersfield, California 4700 District Blvd. Bakersfield, CA 93313 GAC Water Treatment System I 10/15/97 I PROJECT NUMBER: 8308 I I i SOILS ENGINEERING, INC. I I Appendix A i Analytical Laboratory Reports I I I I I 1 I I I I I I I 1 Certification # 19;>0 Client: Project: Aqua Geosciences, Inc. SEI 4~0 G~ssom St. Suite 100 Ma~x: Soil B~ersfield, ~ 93313 An~yst: Ma~ Tho~s Sampled by: Robe~ Becket . T~H~alysis: 8/11/97 Date of Repo~ 8/11/97 Test: To~ Recove~ble Pe~oleum Hydroc~bons U~ts: m~Kg Tested by EPA Me.od 418.1 Sample ~: )ate S~pled: 8/11/97 8/11/97 ample Descdp~on: N W~ 27' S W~ 28' *DL m~Kg TRPH 95 160 50 Sample ~: Date Sampled: Sample Descdp6on: *DL 'RPH Sample ~ )ate Sampled: ,Sample Descdpdon: *DL TRPH *OL = OetecOo~ ~t /~ ~ ND - Non-Detected at given DL ~bo~to~ Dlrecton Robe~ ~ic~els "l~a I~"o n'~a b~ra't o r i es '4440 G~issom St. Suite 100 Chain of Custody Form Bakersfield, CA 93313 (805) 836~.8100 Fax: (805) 836-8800 Lab No. 1920 Client Name: 5 ~ _Z"' Analysis Requested Matrix Project Name: ~ T~'i/Z~' ~',- o~ E] Aqueous 0 ~3 Sample No. Datesampled & Time Sample Deception & Container ~ ~ ~ ~ ~ ~ Comments ~elinquished By: Date & ~me: ~t~ ~elinquished By: Date & Time: Received By: ~e & Time Received By: Date & Time: I ! LABORATORIES, IN C. I August 25, 1997 BOB BECKER SOILS ENGINEERING 4700 DISTRICT BOULEVARD BAKERSFIELD, ~ 93313 Subject: Laborato~ Submission No.: 97-08550 S~ples Received: 08/12/97 Dear Mr. Becker: The s~ples(s) listed On the Chain of Custo~ report were received ~ BC Laboratories, Inc. on 08/12/97. Enclosed please find the ~alytical data for the testing re~ested. If you have any ~estions regarding this report please contact me at (805)327-4911, ext. 204. ~y unused s~ple will be stored on our premises for a minimum o (~xcluding bacteriologicals) at which time they will be disposed ~les§~therwise r_~ested at the time of s~ple receipt. A disposal fee of $5 per s~pl~ may apply for solid s~ple matrices. Please refer to ~ubmission number 97-08550 when call~~ssis~~~ Sincerely, ~ Client Services ~, '~. BC Laboratories, Inc. 4100 Atlas Ct. · Bakersfield, CA ~330B · (B05) 327-4~1 I · FAX (B05] 327-1 91 8 Page LABORATORIES Volatile Organic Analysis i(EPA Method 8260) SOILS ENGINEERING Date Reported: 08/19/97 i 4700 DISTRICT BOULEVARD Date Received: 08/12/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-08550-1 Attn: BOB BECKER 805-831-5100 I Sample Description: PROJECT ~8308 C&C TS426 E-1 S/%MPLED BY R. BECKER Sample Matrix: Water Date Collected: 08/12/97 @ 04:00PM Date Extracted: 08/19/97 I Date Analyzed: 08/19/97 Practical I Analysis Reporting Quantitation Constituents Results Units Limit Benzene 120. ~g/L 3. I Bromobenzene None Detected ~g/L 3. Bromochloromethane None Detected ~g/L 3 Bromodichloromethane None Detected ~g/L 3 Bromoform None Detected ~g/L 3 I Bromomethane None Detected ~/L 3 n-Butylbenzene None Detected ~/L 3 sec-Butylbenzene 6.6 ~g/L 3 tert-Butylbenzene None Detected ~g/L 3 I Carbon tetrachloride None Detected ~g/L 3 Chlorobenzene None Detected ~g/L 3 Chloroethane None Detected ~g/L 3 Chloroform None Detected ~/L 3 I Chloromethane None Detected ~g/L 3. 2-Chlorotoluene None Detected ~g/L 3. 4-Chlorotoluene None Detected ~g/L 3. i Dibromochloromethane None Detected ~9/L 3. 1,2-Dibromo-3-Chloropropane None Detected ~g/L 3. 1,2-Dibromoethane None Detected ~/L 3. Dibromomethane None Detected ~/L 3. I 1,2-Dichlorobenzene None Detected ~g/L 3. 1,3-Dichlorobenzene None Detected ~g/L 3~ 1,4-Dichlorobenzene None Detected ~9/L 3 Dichlorodifluoromethane None Detected ~g/L 3 i 1,1-Dichloroethane None Detected ~g/L 3 1,2-Dichloroethane None Detected ~g/L 3 1,1-Dichloroethene None Detected ~g/L 3 cis-l,2-Dichloroethene None Detected ~/L 3 " I trans-l,2-Di'chloroethene None Detected ~g/L 3 1,2-Dichloropropane None Detected ~/L 3 1,3-Dichloropropane None Detected ~g/L 3 2,2-Dichloropropane None Detected ~g/L 3 I 1,1-Dichloropropene None Detected ~g/L 3 cis-l,3-Dichloropropene None Detected ~/L 3 trans-l,3-Dichloropropene None Detected ~g/L 3 Ethyl Benzene 160. ~/L 5 I Hexachlorobutadiene None Detected gg/L 3 Isopropylbenzene 39. ~g/L 3 p-Isopropyltoluene None Detected ~g/L 3 i Methylene Chloride None Detected ~g/L 5 Naphthalene 94. ~/L 3 n-Propylbenzene 40. ~/L 3 ! All results listed in th~ repo~ are for the exclusive use ~ the submi~lng pady. BC ~boratorles, Inc. assumes no responsibility for repo~ alter~ion, secretion, de. chant or t~ird ~ Inte~t~lon. CmLABORATORIES INC. SAMPLE RECEIPT FORM -R,v. No.3 4,10:97 SHIPPING sPECIFICATIONS ' I ' SHIPPING CONTAINER - ' Lab Field Se~ice U Other ~ {Specify} ' ~ None.~ Other ~ {Specify} ~ c~st ID Ice Chest ID Ice C~st ID J Ice Chest ID J Ice Chest ID Ice Chest ID ,. rature ~ o, glue le~ ~ ~one ~ Comment~: · ~ dy Seals: Ice Chest ~ Containers ~ No~ ~lamples received? Ye~ No ~ SAMPLE CONTAINERS II · CYANIDE ' ~ ROG~ FORMS ' ~ rAL SU~IDE ;:.~ ~ I N~ '0mi TOTAL ORGANIC CARSON ; ~X - ~ICAL OXYG~ DEMAND ]0mi PH~OECS ~OA VI~ ~V~ B~NK ?~o, v,~ - ~OR ~LOGICAL ;C~IOLOGICAL ' ~ S04 ; ~ S0a/S0a/a0a0 T ~A 515.118150 -, ==~ 525 )0mi ~A 531.1 ~5~ T ~ 549 T ~A 632 .T ~ 8015M T .T AMB~ O~JAR ~ ~. JAR 9[~E ;,~ V~L j radiated by: ,~' IF:~WP60~DATA~DOCS~SHEILAH~FORMS~SAMREC.FRMI Page 2 ASORATORIES Volatile Organic Analysis (EPA Method 8260) SOILS ENGINEERING Date Reported: 08/19/97 4700 DISTRICT BOULEVARD Date Received: 08/12/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-08550-1 Attn: BOB BECKER 805-831-5100 Sample Description: PROJECT ~8308 C&C TS426 E-1 SAMPLED BY R. BECKER Practical Analysis Reporting Quantitation Constituents Results Units Limit Styrene None Detected ~g/L 3 1,1,1,2-Tetrachloroethane None Detected ~g/L 3 1,1,2,2-Tetrachloroethane None Detected ~g/L 3 Tetrachloroethene None Detected ~g/L 3 Toluene None Detected ~g/L 3 1,2,3-Trichlorobenzene None Detected ~g/L 3 1,2,4-Trichlorobenzene None Detected ~g/L 3 1,1,1-Trichloroethane None Detected ~g/L 3 1,1,2-Trichloroethane None Detected ~g/L 3 Trichloroethene None Detected ~g/L 3 Trichlorofluoromethane None Detected ~g/L 3 1,2,3-Trichloropropane None Detected ~g/L 3 1,2,4-Trimethylbenzene 5.2 ~g/L 3 1,3,5-Trimethylbenzene None Detected ~g/L 3 Vinyl Chloride None Detected ~g/L 3 Total Xylenes None Detected ~g/L 5 Quality Control Data Surroqates % Recover~ Control Limits ~ 1,2-Dichloroethane-d4 110. 76-114 Toluene-d8 100. 88-110 4-Bromofluorobenzene 101. 86~115 ' I Note: PQL's were raised due to high concentration of target analytes requiring sample dilution. California D.O.H.S. Cert. ~1186 .... ! I Stuart G. Bu~"~ram ' ' ' ",i Department Supervisor I results iisted in this repo~ ere for the exclu~ve u~ ~ the eubmlffing pa~. BC ~bor~odee, Inc. assumes no responslbili~ for mpo~ elter~ion, secretion, de.chant ~ t,aird ~ interpm~lon. Page 1 ~ES TOTAL CONCENTP~ATIONS (California Code of Regulations, Title 22, Section 66261) I SOILS ENGINEERING Date Reported: '08/20/97 4700 DISTRICT BOULEVARD Date Received: 08/12/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-08550-1 m Attn: BOB BECKER 805-831-5100 Sample Description: PROJECT ~8308 C&C TS426 E-1 S]%MPLED BY R. BECKER I Sampling Date/Time: 08/12/97 ® 04:00PM Title 22 Waste Type: Liquid with < 0.5 % Solids m Regulatory Criteria m Method STLC TTLC Constituents Sample Results Units P.Q.L. Method mq/L mq/kq Antimony None Detected mg/L 1.0 SW-6010 15 500. m Arsenic None Detected mg/L 0.1 SW-6010 5 0 500. Barium 0.19 mg/L 0.1 SW-6010 100 10000. Beryllium None Detected mg/L 0.1 SW-6010 0 75 75. Cadmium None Detected mg/L 0.1 SW-6010 1 0 100. m chromium None Detected mg/L 0.1 SW-6010 560 2500. Cobalt None Detected mg/L 0.5 SW-6010 80 8000. Copper None Detected mg/L 0.1 SW-6010 25 2500 ' Lead None Detected mg/L 0.5 SW-6010 5 0 1000. ' mMercury None Detected mg/L 0.2 SW-7471 0'.2 20. Molybdenum None Detected mg/L 0.5 SW-6010 350. 3500. Nickel None Detected mg/L 0.5 SW-6010 ~ 20~ 20001 Selenium None Detected mg/L 0.1 SW-6010 1.0 lOO.. m Silver None Detected mg/L 0.2 SW-6010 5.0 500. Thallium None Detected mg/L 1.0 SW-6010 7.0 700. Vanadium None Detected mg/L 0.1 SW-6010 24. 2400. Zinc None Detected mg/L 0.5 SW-6010 250. 5000. ! I m Comment: Ail above constituents are reported on an as received (wet) sample basis. Results reported represent totals (TT~) as sample subjected to appropriate techniques to determine total levels. m P.Q.L. = Practical Quantitation Limit (refers to the 'least amount of analyte quantifiable based on sample size used and analytical technique employed) . STLC = Soluble Threshold Limit Concentration TTLC = Total Threshold Limit Concentration RE ERENCES: ' ",i SW = "Test Methods for Evaluating S8~~ wastes P'~ical/Chemical Methods", EPA-SW-846, September, 1986. '~i I Dan Schul . .- i" ~ mLaboratory Director i i m :llults listed in this report are for the exclusive use of the submitting party. BC Laboratories, Inc. assumes no responsibility for report alteration, separation, detachment or third party interpretation. 4100 Atlas Ct. · Bakersfield, CA 93308 . (805) 327-4911 . FAX (805) 327-1918 Page 1 LABORATORIES WATERANALYSIS (GENERAL CHEMISTRY) I SOILS ENGINEERING Date Reported: 08/15/97 4700 DISTRICT BOULEVARD Date Received: 08/12/97 I BAKERSFIELD, CA 93313 Laboratory No.: 97-08550-1 Attn: BOB BECKER 805-831-5100 Sample Description: PROJECT %8308 C&C TS426 E~i SAMPLED BY R. BECKER ISampling Date/Time: 08/12/97 @ 04:00PM i Constituents Results Units P.Q.L. Method pH 7.51 pH Units EPA-9040 ! IP.Q.L. = Practical Quantitation Limit (refers to the least amount of analy~e':> . quantifiable based on sample size used and analytical technique e~pioYed). · " California D.O.H.S. Cert. %1186 ' Marna Atencio IDepartment Supervisor lesults listed in this repo~ are for the exclusive use ~ the subm~lng paT. BC ~boratories, Inc. sssumes no responsibility for mpoK alteration, se~ratlon, de.chant or t,lird ~ i~e~ret~tl~. 4100 Atlas Ct. · Bakersfield, CA 93308 · (805) 327o4911 · FAX (805) 327-1918 LABORATORIES Page 1 Total Petroleum Hydrocarbons I SOILS ENGINEERING Date Reported: 08/15/97 4700 DISTRICT BOULEVARD Date Received: 08/12/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-08550-1 I Attn: BOB BECKER 805-831-5100 Sample Description: PROJECT ~8308 C&C TS426 E-1 SAMPLED BY R. BECKER I Sampling Date/Time: 08/12/97 ® 04:00PM Method I Constituents Sample Results Units P.Q.L. Method Total Recoverable Petroleum i Hydrocarbons 22. mg/L 5. EPA-418.1 Note: PQL's were raised due to high concentration of target analytes requiring California D.O.H.S. Cert. ~1186 Department Supervisor All results listed in th~ repo~ ere fQr the exclusive use ~ the subm~ing ~y. BC ~boretorles, Inc. e~sumes no rssponslbili~ for mpod alter~lon, secretion, de~chment or ~lrd ~$ty interpretation. 4440Gris~omSI. Suile 100 Chain of Custody Form Bakersliel~. CA 93313 (805) 836-8~00 Fax: (805) 836-8800 Lab No. 1~0 Client Name: ,~~ Analysis Requested Matrix ~ ~o ~ Aqueous Address: n<:mo E] < Soil Proj~tMa~e~ ~ ~ Phone: ~_~/~ ~ ~'~ ~ Sampler Name:c Sample No. Date & Time Sampled Sample Deception & Container ~ ~ ~ ~3 ~ ~ Commenls ~[ Relinquished By: Relinquished By: Date & Time: Date & Time: Received By: ~ ~ Date & Time: ~,3~ ~ ~: '~ Received By: Dale & Time: ~o~,,,o~.~u,,o,oo Chain of Custody Form Bakemfield, CA 93313 (805) ~6-8100 Fax: (805) 836-8800 , L~ No. 1920 Clie. Name: ~ ~ Analysis Requested Mal~x Proj~l Name: ~ ~ d ~ o ~ Aqueous Samp~ No. Dale & Time Sampled SampleDescfiption&Containerm~ ~ ~~ ~ Comments R,,,nquished By: ~~ Date & Time: ~f~ Relinquished By: Dale&Time: Received By: Dale & Time ] ~7 ~- Dale & rime: I Certification # 1920 Client: Project: I Aqua Geosciences, Inc. SEI 4440 Grissom St. Suite 100 'Matrix: Soil Bakersfield, CA 93313 Analyst: Robert Michels I Sampled by: Bob Becket Diesel Analysis: 8/14/97 BTEX Analysis: 8/14/97 i Test: TPH Diesel by EPA 8015M Date of Report~ 8/14/97 BTEX by EPA 5030/8020 Units: mg/Kg TPH Gas b~, EPA 8015 Sample #: 971029 Date Sampled: 8/13/97 Sample Description: E-BTM-N *DL Benzene 0.048 0.005 Toluene 0.11 0.005 Ethyl Benzene 0.049 0.005 m,p,o Xylenes 0.107 0.005 TPH Gasoline NA 0.5 I'PH Diesel ND 0.5 MTBE NA 0.05 Surrogate Recovery 96 101 5ample #: Date Sampled: 5ample Description: *DL Benzene Foluene Ethyl Benzene m,p,o Xylenes rPH Gasoline rPH Diesel !MTBE Surrogate Recovery % Sample #: Date Sampled: Sample Description: *DL Benzene Toluene Ethyl Benzene m,p,o Xylenes TPH Gasoline TPH Diesel MTBE Surrogate Recovery 96 I *DL = Detection Limit ND - Non-Detected at given DL Laboratory Director: Robert Michels ! Certification # 1920 Client: Project: Aqua Geosciences, Inc. SEI 4440 Grissom St. Suite 100 Matrix: Soil Bakersfield, CA 93313 Analyst:. Robert Michels Bob Becker TRPH 8/14/97 Sampled by: Analysis: Date of Report: 8/14/97 Test: Total Recoverable Petroleum Hydrocarbons Units: rog/Kg Tested by EPA Method 418.1 Sample #: 971026 971027 971028 971029 Date Sampled: 8/14/97 8/13/97 8/13/97 8/13/97 Sample Description: W-WALL-N2 N-WALL-E BTM-M E-BTM-N *DL TRPH 4500 110 6900 770 50 I I Sample Date Sampled: Sample Description: *DL TRPH Sample ~. Date Sampled: Sample Description: *DL TRPH *DL = Detection Limit ND - Non-Detected at given DL LabOratory Director: Robert Michels 4440GrissomSl. Suite 100 Chain of Custody Form Bake[slield. CA 93313 (805) 836-8100 Fax: (805) 836-8800 Lab No. 1920 Client Name: .~ ~ ~'- Analysis Requested Matrix ....... ~ ~ ~ Aqueous Address: m ~ ~ ~ < oil Prdecl Manager: Phone: ~ I ~ _ --{ ~ ~ Other (Sp~i~) - ' Fax: ~/~ ~ [/1 s ~ - ~ Sam~lerName: ~ ~ '[ ~ ~ ~ ~ ~ ~ < ~ · Sa~le No. Date & Time '" ~ .~ Sampled Sample De~dplion & Container x ~ ° G ~ = ~ ~ Commenls By' - ' ' Dale & Time: ~ ~ Relinquished By: Dale & Time: ~ Relinquished -~ ~ R~eived By: Dale & Time: , ~ ~i'? 15~ Received By: Dale & Time: / I Certification # 1920 Client: Project: I Aqua Geosciences, Inc. SEI -!~.~0 Grissom St. Suite 100 Matrixc Soil Bakersfield, CA 93313 Analyst:. Mary Thomas ISampled by: Bob Becker TRPH Analysis: 8/14/97 Date of Report:. 8/14/97 Test: Total Recoverable Petroleum Hydrocarbons Units: mg/Kg I Tested by EPA Method 418.1 Sample ~ 971030 971031 Date Sampled: 8/14/97 8/14/97 Sample Description: W-WAI.I.-N3 SWC-$2' *DL TRPH 87 ND 50 I I III II I Sample ~. Date Sampled: Sample Description: *DL TRPH Sample ~ Date Sampled: Sample Description: *DL TRPH *DL = Detection Limit i ND - Non-Detected at given DL Laboratory Director:. Robert Michels I I I I ! I I Chain of Custody Form Bakersfield, CA 93313 (805) 836,8100 Fax: (805) 836-8800 Lab No. 11120 ' Client Name: 5~1'~,~' ~....~I/~C~,/,~j~ Analysis Requested, Matrix P,oiec,.ar, e: ~'~ d__. ' 7'"5-Y Z. 6 '" ~' , ~) r"l Aqueous Address: o. ,< :' Soil Project Manager: ~, ~ Phone: *.~/-,~/O0 --~ --~ ~ ~ E~ Other(Specify) Fax: Sampler Name: ~ Date & Time x Sample NQ. Sampled Sample Description & Container '~ :~ ~. Comments Relinquished By: Date & ~me: ~elinquished By: Date I Time: ~ :~ .Received By: Dale & Time: Ce,-t, ificatiml # 1920 Client:. PToJect: I Aqua Geosciences, Inc. Soils Engineering ~.~.~.0 Grissom St. Suite 100 Matrix: Soil Bakersfielcl, ~ 93313 ~mal~sc Ma~: Thomas I Sampled b~ Bob Becket TRPH Analysis' 8/13/97 Date of Report: 8/13/97 I Test: TotaZ Recoverable Petroleum Hydrocarbons Units: mS/!~ Tested by EPA Me,od 418.1 . ]Date Sampled: ] 8/13/97 8/13/97 8/13/97 ISamp!e._Desc~_. ptl_o~ ...... ] .. ~3~'_ NW BTM 35' W-WALL-N *DL I ~" ...... ,78 ?, ,527 so ............... ~ ...... 1 B IIII glllll is~p~ r~dp.om I *DL I I ~ -- [I ~le De~, priori'- ! ..................... *DL , I I ND - Non-Detected at gJvea DL Laboratory Dl~ector: RobL~rt Mlchels I ! I I I I I Certification # 1920 Client: Project; Aqua Geosciences, Inc. Soils Engineering 4440 Grissom St. Suite 100 Matrix: SOil Bakersfield, CA 93313 Analyst: Eric Wisdom Sampled by'. Bob Becker Diesel Analysis: 8/13/97 BTEX Analysis: 8/13/97 Test: TPH Diesel by EPA 8015M Date of Report: 8/13/97 BTEX by EPA 5030/8020 Units:mw'Kg TPH, G,as , , ,, , , , ,, , ,,, Sample #: 971019 Date Sampled: 8/13/97 ,Sam,,,pl,e Descriptign: NWG 32' *DL rog/Kg Benzene 0.029 0.005 Toluene 0.017 0.005 Ethyl Benzene 0.014 0.005 m,p,o Xylenes 0.026 0.005 TPH Gasoline NA 0.5 TPH Diesel ND 0.5 MTBE NA 0.05 Surrogate,, Re, cov, er~ ~ 96 Sample Date Sampled: Sample Description: , *DL Benzene Toluene Ethyl Benzene m,p,o Xylenes TPH Gasoline TPH Diesel Surrogate Recover~%,, , ,, , , ,, , , , ,,,~ ,~ , , Sample ~. Date Sampled: Sample Description: *DL Benzene Toluene Ethyl Benzene m,p,o Xylenes TPIt Gasoline TPIt Diesel MTBE *DL -- Detection Limit ND - Non-Detected at given DL Laboratory Director:. Robert Michels ! I I_ABORATORII S, IN C. ! August 25, 1997 ! I BOB BECKER SOILS ENGINEERING 4700 DISTRICT BOULEVARD BAKERSFIELD, CA 93313 I Subject: Laboratory Submission No.: 97-08795 Samples Received: 08/15/97 I Dear Mr. Becker: The samples(s) listed on the Chain of Custody report were received by BC Laboratories, Inc. on 08/15/97. I Enclosed please find the analytical data for the testing requested. If you have any questions regarding this report please contact me at (80~1, I Any unused sample will be stored on our premises for a minimum of 30 d~ (excluding bacteriologicals) at which time they will be disposed unless~therwise i requested at the time of sample receipt. A disposal fee of $5 per sample apply for solid sample matrices. Please refer to ~ubmission number 97-08795 when calli~ssis~ I Tina Green Client Services IBC Laboratories, Inc. I 4100Atlas Ct.. Bakersfield, 0A93308. (805)327-4911 . FAX (805)327-1918 Report To: Name: .~)'L..~ ~,~ Project: Address: Project #: ~3~)o City: ~t~s t¢~,"~ Sampler Name: State: C~ Zip: A~n: ~ ~~ z Comments: Report Ddnking Water Name: 5'~'.~ on State Form ? Y~) Send Copy to Address: ~.j ~v--- State of Ca~. Y/(~ Date: 'rime: City State Zip Attention: , by: (Signature) Date: '13me: PO # Relinquished by: (Signature) Received by: (Signature) Date: Time: Time · Miles: ~(~/ Flat . · j Relinquished by: (Signature) Received by: (Signature) Date: Time: i·Federal Express [] UPS [] Hand Deliveryi .~,n,~lce Ch st [] Box [] mraure Tem~rature~.C Tem~rature ~C Tem~ra~ure~*C Tem~erat~e~ Ice ~ Blue Ice ~ None~ Comments:. .' IlustodY Seals: Ice Chest ~ Containers ~ No~. IA, samples received? Yes ~ No ~ All samples intact? No ~ Description match COC? Y~ N SAMPLE CONTAINERS it ~ INORGANIC CH~ICAL M~ALS I J [ 'TOTAL SUrE ~}~ ,Omi TOTAL ORGANIC CARBON iii o,OtOam t ~uT~IOLOGICAL ~[~ ~A 525 ~V~ B~NK ;j~T ~ e32 ~ ;~A8015M i 8jZ. JAR ' PCB V~L =~S~C BAG :~eted by: ~ [F:~WP60~DATA~DOCS~SHEI~H~FORMS~SAMR~ 5S Page 1 EPA 8015M Fuel Identification / Quantitation Summary I SOILS ENGINEERING Date Reported: 08/21/97 4700 DISTRICT BOULEVDJtD Date Received: 08/15/97 I BAKERSFIELD, CJI 93313 Laboratory No.: 97-08795-1 Attn: BOB BECKER 805-831-5100 Sample Description: C & C T5426 PROJECT ~8308 S-BTM-E, S/IMPLED BY R.J.B. I Sample Matrix: Soil Date Collected: 08/15/97 @ 02:15PM Date Extracted: 08/19/97 Date Analyzed: 08/20/97 ! Practical Analysis Reporting Quantitation I Constituents Results Units Limit Light Naptha None Detected mg/kg 1000. Aviation Fuel None Detected mg/kg 1000. Stoddard / W~nite Spirits None Detected mg/kg 400. Heavy Naptha / Ligroin / Petroleum Benzin None Detected mg/kg 200 Gasoline None Detected mg/kg 400 I JP 4 None Detected mg/kg 200 JP 5 None Detected mg/kg 200 JP 8 None Detected mg/kg 200 iKerosene / Jet Fuel None Detected mg/kg 200 Diesel 1300. mg/kg 200 Crude/Waste Oil 1100. mg/kg 40Oi-'~i' i. Hydraulic/Motor Oil None Detected mg/kg 400:~. IWD-40 None Detected mg/kg 200.i" Surrogate % Recovery Not Reportable % 64-128 I METHOD: 8015M DOHS LUFT MANUAL Boiling Range: 70 300 C I Mixtures of hydrocarbons are identified by a bo~:i~ng p6int r~ng6 land a fingerprint. Hydrocarbons that fall within a boiling range but~do .i!,~t exhibitI .the pattern are quantitated versus the fuel that corresponds with ~he boiling range, but are qualified with a note. ~:,:' I Note: PQL's were raised due to high concentration of target analytes requiring sample dilution. Surrogate not reportable due ~'~S~io di'i-~'i°n'.i ',':",'-',iI' California D.O.H.S. Cert. #1186 ! I Stuart G.'~uttram' x ....... ¥.'; Department Supervisor '~ '~"[!}}j ¥:"i ' ! A~sulta listed in this report are for the exclusive use of the submitting party. BC Laboratories, Inc. assumes no responsibility for report alteration, seperatlon, detachment or third party interpretation. 4100Atlas Ct.. Bakersfield, CA93308 . (805)327-4911 . FAX (805)327-1918 Page Total Petrole~ Hydrocarbons SOILS ENGINEERING Date Reported: 08/20/97 2700 DISTRICT BOULEVARD Date Received: 08/15/97 BAKERSFIELD, ~ 93313 Laborato~ No.: 97-08795-1 Attn: BOB BECKER 805-831-5100 S~ple Description: C & C T5426 PROJECT ~8308 S-B~-E, S~PLED BY R.J.B. Sampling Date/Time: 08/15/97 @ 02:15PM Method Constituents S~ple Results Units P.Q.L. Method Total Recoverable Petrole~ Hydrocarbons 3700. mg/kg 400. EPA-418.1 Note:PQL's were raised due to high concentration of target analytes re~iring s~ple dilution. C Stuart ~. Buttrm Departmen~ Supervisor . listed in th~ repo~ are for tM exclusive use ~ the subml~lng pad~ BC ~boretorles, Inc. a~umes no responsibility for repo~ slter~ion, ssperation, de. chant or t,flrd ~ inte~ffi~ion. 4100Atlas Ct. · Bakersfield. CA93308 · (805)327-4911 . ~X (805)327-1918 lABORATORIES Page 1 Purgeable Aromatics and I Total Petroleum Hydrocarbons SOILS ENGINEERING Date Reported: 08/20/97 i 4700 DISTRICT BOULEVARD Date Received: 08/15/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-0879'5-1 Attn: BOB BECKER 805-831-5100 I Sample Description: C & C T5426 PROJECT %8308 S-BTM-E, SAMPLED BY R.J.B. Sample Matrix: Soil Date Collected: 08/15/97 @ 02:15PM Date Extracted- 8020: 08/19/97 I . ' Date Analyzed-8020: 08/19/97 . Practical I Analysis Reporting Quant itat ion Constituents Results Units Limit Benzene 0.24 mg/kg 0.07 I Toluene None Detected mg/kg 0.07 Ethyl Benzene 4.7 mg/kg 0.4 Total Xylenes 4.5 mg/kg 0.2 i S urrogate % Recovery 117. % 70-130 TEST METHOD: TPH by D.O.H.S. / L.U.F.T. Manual Method - Modified EPA 8015 iIndividual constituents by EPA Method 5030/8020. ! I I Note: PQL's were raised due to high concentration of target analytes requiring sample i Ca H. 6 Department Supervl sor ! Al~sulta listed in this report are for the exclusive use of the submitting party. BC Laboratories, Inc. assumes no responsibility for report alteration, seperation, detachment or third party interpretation. 4100 Atlas Ct.. Bakersfield, CA 93308 · (805) 327-4911 . FAX (805) 327-1918 =l~la/l~oR=Ea~r~ri~ == ~ ~ ~ -. ~ ~ --, ~ ~ ~ ~ ~ 4440GrissomSt. Suite 100Chain of Custody Form Bak~lield, CA (805) 836-8100 Fax: ~,o. ~o ~ (~os) ~-~0o Client ~me: ~~ .. Analysis Requested Matrix Project ~me: 6~ ~ T~ ~ ~ *~ o-- ~ Aqueous Address: ~ m ~ < oil Project Manager: ~ ~ Phone: ~/-~OO ~ ~ ~=;~ ~ Other(Specify) Sampler Name: , ~ ~ ~ ~ ~mpleNo. Date&Time x m ~ ~ ~ ~ Sampled Sample Description & Container ~ ~m~ m~ ~ ~ Commenls Relinquished By: ~~ ~ Date&Time:~/~ Relinquished By: Date&Time: [,,, Received By: ~~ Date&Time: ~.1~3 ~;B~ Received By: Date&Time: 4440GrissomSI. Suite 100 Chain of Custody Form Bakersfield, C/~ 93313 (805) 836-8100 Fax: (805) 836-8800 Lab No. 1920 Client Nal~ei S~ ~ Analysis Requested Matrix Project Name: 7" ~ Z ~ ~' -- o'- ~o° j~ Aqueous Address: m~ ~ ~Soil Proi~t ~ana~r: ~hon~: ~/-T / t t ~ ~ ~ ~ ~ Other O Sampler Name: ~ < ~ ~ · Sampled Sample Description & Container ~ m ~ Relinquished By: ~~~ Date&Time: ~/Z/*~ ~ ~,inquished By: Date&Time: Received By: Dale & time: ~ g Z~ Received By: '~ Dale & Timo~O~l: a o a r '4440 G~issom St. Suite 100 Chain of Custody Form Bakerslield. CA 933t3 (805)836~8100 Fax: (805)836-8800 Lab No. 1920 Client Nares: 5 ~,,.~ Analysis Requested Matrix Project Ne,e: (~ ~ ~~ Z~ ~ ~ ~ Aqueous Address: ~ o ~ < ~Soil Pr~ectM~ager: ~ ~ ~~ Phone: ~/-~0 ~ ~ ~ ~ ~ Fax: ~- ~1~ ~ ~ ~ ~ ~ ~ Other(Specie) 3~~ ~ Sampler N~e: ~ ~ ~ ~ _ ~ . ~ SampleNo. Date&Time ~ m ~ ~ [ ~ Sampled Sample Description & Container ~ ~ ~ ~ :~ ~ Comments Relinquished By: ~~ Date&Time: ~/~/~ Relinquished By: Date&Time: Received By: ~~ Date & Time: ~-I~ i~:!~ Received By: Date & Time: Certification # 1 9ZO Client: Project: I Aqua Geosciences, Inc. SEI 4440 Grissom St. Suite 100 Matrix: Soil I Bakersfield, CA 93313 Analys~ Eric Wisdom Sampled by: Bob Becker Diesel Analysis: 8/15/97 BTEX Analysis: 8/15/97 ITest: TPH Diesel by EPA 8015M Date of Report: 8/15/97 BTEX by EPA 5030/8020 Units: mg/Kg TPH Gas by EPA 8015 Sample #: 971037 971038 971039 971042 Date Sampled: 8/15/97 8/15/97 8/15/97 8/15/97 Sample De.sc .rlption: W-BTM-M W-BTM-C W-WALL-M S-BTM-M *DL ms/Kg Benzene NA NA ND 0.17 0.005 Toluene NA NA 0.032 0.24 0.005 Ethyl Benzene NA NA 0.006 0.19 0.005 m,p,o Xylenes NA NA 0.051 0.24 0.005 TPH Gasoltne NA NA NA NA 0.5 TPH Diesel NA NA 1500 NA 0.5 TRPH 1500 11000 2700 9500 50 Surrogate Recovery % 106 113 .... I I IIIIJ I Sample #: 971041 971040 Date Sampled: 8/15/97 8/15/97. Sample Description: 958M 91G ~ *DL us/L Benzene ND 14 0.5 Toluene ND 4.1 0.5 Ethyl Benzene ND ND 0.5 m,p,o gylenes ND 105 0.5 TPH Gasoltne NA NA 50 TPH Diesel NA NA 50 TRPH NA NA 5 Surrogat~ Recove,17 ~, 99 119 Sample #: Date Sampled: Sample Descoption: *DL Benzene Toluene Ethyl Benzene m,p,o Xylenes TPH Gasoline TPH Diesel TRPH 5urroga~ te Recover~ 96I I *DL -- Detection Limit ND - Non-Detected at given DL Laboratory Director:. Robert Michels i ~L~borator~es ~.o~o~ ~,: ~,~,,oo Chain of Custody Form Bakemli~d. CA 93313 (~5) ~6-8100 F~: (~5) ~6,88~ Lab No. 1920 Sample No. Sam~d ~le De~tion & Contai~r ~ ~ ~ o~ ~ts ~//~/~ ~.~ .q ~ ~ ~ ~, ~ ........ ........ · ~o ~ lira: Rece~ By: Dale & Time:, ...... //.~, R~ewed By: Dale & Ti~: Certification # 19;?0 Client: Project: I Aqua Geosciences, Inc. SEI 4440 Grissom St. Suite 100 Matrix: Soil Bakersfield, CA 93313 Analyst: Mary Thomas I Bob Becker TRPH 8/18/97 Sampled by: Analysis: Date of Report: 8/18/97 Test: Total Recoverable Petroleum Hydrocarbons Units: mg/Kg I Tested by EPA Method 418.1 I I Sample #: 971064 971065 971066 Date Sampled: 8/18/97 8/18/97 8/18/97 Sample Description: E-WALL-S SEC-2 W-WALL-S *DL I FRPH ND ND 885 $0 Sample g:. I Date Sampled: Sample Description: *DL I TRPH Sample #: I Date Sampled: Sample Description: *DL I *DL = Detection Limit iND - Non-Detected at given DL Laboratory Director:. Robert Michels I I I I I I I Certification # 1920 Client: Project: Aqua Geosciences, Inc. SEI 4440 Grissom St. Suite 100 Matrix: Soil Bakersfield, CA 93313 Analyst: Eric Wisdom Sampled by: Bob Becker Diesel Analysis: NA BTEX Analysis: 8/18/97 Test: TPH Diesel by EPA 8015M Date of Report: 8/18/97 BTEX by EPA 5030/8020 Units: mg/Kg TPH Gas b~' EPA 8015 Sample #: 971066 Date Sampled: 8/18/97 Sample Description: W-WAI.I.-S *DL Benzene 0.086 Toluene 0.24 Ethyl Benzene 0.079 m,p,o Xylenes 0.39 TPH Gasoline NA TPH Diesel NA MTBE NA Surrogate Recov~,--- 96 103 Sample ~ Date Sampled: Sample Description: *DL Benzene Toluene Ethyl Benzene m,p,o Xylenes TPIt Gasoline TPIt Diesel MTBE Surrogate R~cover~ 96 Sample ~. Date Sampled: Sample Description: *DL Benzene Toluene Ethyl Benzene m,p,o X¥1enes TPH Gasoline TPH Diesel MTBE Surrol~ate Recover~ % *DL = Detection Limit ND - Non-Detected at given DL Laboratory Director: Robert Michels Certification # 1920 Client: Project: I Aqua Geosciences, Inc. SEI 4440 Grissom St. Suite 100 Matrix: soil Bakersfield, CA 93313 Analyst: Eric Wisdom I Sampled by: Bob Becker Diesel Analysis: 8/18/97 BTEX Analysis: 8/18/97 i Test: TPH Diesel by EPA 8015M Date of Report: 8/19/97 BTEX by EPA 5030/8020 Units: mg/Kg TPH Gas by EPA 8015 Sample #: 971067 971068 Date Sampled: 8/18/97 8/18/97 Sample Description: W-Wail-M2 BTM-M-W *DL .rog/Kg Benzene NA 0.41 0.005 Toluene NA 0.89 0.005 Ethyl Benzene NA 0.47 0.005 m,p,o Xylenes NA 1.4 0.005 TPH Gasoline NA NA 0.5 TPH Diesel NA ND 0.5 TRPH ND 5300 50 Surro~ate Recove. r~t 96 98 , ,, .. Sample #: Date Sampled: Sample Desc~ption: *DL Benzene Toluene Ethyl Benzene m,p,o Xylenes TPH Gasoline TPH Diesel TRPH Surrol~ate Recovery 96 , . Sample #: Date Sampled: Sample Description: *DL Benzene Toluene Ethyl Benzene m,p,o Xylenes TPH Gasoline YPH Diesel I~RPH Surrogate Recover~, 96 I *DL = Detection Limit ND - Non-Detected at given DL Laboratory Director:. Robert Michels =l=lali~o~lm._al~rd~ri~ ~ ~ ~ ~ ~ ~ ~ -. ~ ~ ~ ~ ~ 4440 Grissom St. Suite tO0 Chain of Custody Form Bakers{laid, CA 93313 (805) 836-8100 Fax: (805) 836-8800 Lab No. ~920 Client Name: ~ E~ Analysis Requested Matrix Pmject Name: ~"%F-~ T~.~-I('~ ~ '~ om i~ ~.1 ~ Aqueous Ad,ess: ~ ~ .~ ~~Soil ~ ~ -' Project Manager: ~, ~ ~.~.~ P~ Phone:Fax: ,~ ~ ~o ~ Other (Specie) Sampler Name: ~, ~.~. < ~ ~ ~ ~ ~ 8amplod Samplo ~sc~ption & Container ~ ~ ~ ~ ~ ~ = Gomment~ Relinquished By: -~]~-~ ~~ ~ Date&Time:~}~/.~ Relinquished By: Date&Time: Received By: ~. ~ ~~ Date & Time~//~/~ ~..~, Received By: Dale&Time: Certification # 1920 Client: Project: Aqua Geosciences, Inc. SEI 4440 Grissom St. Suite 100 Matrix: soil Bakersfield, CA 93313 Analyst: Robert Michels Sampled by: Bob Becket TRPH Analysis: 8/19/97 Date of Report: 8/19/97 Test: Total Recoverable Petroleum Hydrocarbons Units: rog/Kg Tested EPA Method 418.1 by Sample #: 971069 971070 Date Sampled: 8/19/97 8/19/97 Sample Description: E-WalI-N E-BTM-C *DL rog/Kg - I~RPH ND 8300 $0 Sample ~ Date Sampled: ,~ Sample Description: *DL J'RPH II Sample ~ Date Sampled: Sample Description: *DL ~RPH *DL = Detection Limit I ND - Non-Detected at given DL I~boratory Director:. Robert Mlchels I I I I I I I 4440 Grissom St. Suite 100 Chain ofCustodyForm Bakersfield, CA 93313 (805) 836-8100 Fax: (805) 836-8800 Lab No. 1920 Project Name: C,~ <~¥' ~. ~' ~ E~ Aqueous Address: ,,,~ 'n~ ~ Soil Project Manager: ~ ~C ~ _ , ~ Other (Specie) Fax: Sampler Name: ~~ ~~~ Date & Time x . m ~ ~ E ~ = Comments Sample No. Sampled Sample Description & Container Relinquished By:~~~~~ Date& Time: ~9/~//~ Relinquished By: Dale& Time: R~eived By: ;~~ /~~ D ate&Time:~//~//~ //~ ~ Race iv ed By: Date&Time: al=lalL~ol~=La~ra~ri~ -- ~, .. ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 4440 Grissom St. Suite 100 Chain of Custody Form Bakersfield, CA 933~3 (805) ~6-8100 Fax: (805) ~6-8800 Lab No. 1920 Client Name: Analysis Requested Matrix Project Name: ~~~ [~ CC~~ ~ Aqueous Ad.ess: '~oil Projmt Manager: ~, ~~ Phone: ~/_~d~ ~ Other (Sp~i~) Fax: ~- ~ // / Sam~er Name: ~ ~~ .... Sample No. Date & Time ~ Sampled Sample De~dption & Container Comments i - ' /~i '~ ~'~ ~c'~. Date&Ti~: By: Date& Certification # 1920 Client: Project: I Aqua Geosciences, Inc. SEI 4440 Grissom St. Suite 100 Matrix: Soil Bakersfield, CA 93313 Analyst: Robert Michels ISampled by: Bob Becker TRPH Analysis: 8/18/97 Date of Report: 8/18/97 Test: Total Recoverable Petroleum Hydrocarbons Units: mg/Kg I Tested by EPA Method 418.1 Sample #: 971062 971063 Date Sampled: 8/18/97 8/18/97 Sample Description: S-BTM-E2 SEG-32' *DL TRPH 9900 110 50 Sample #: Date Sampled: Sample Description: *DL TRPH Sample ~. Date Sampled: Sample Description: *DL TRPH *DL = Detection Limit ND - Non-Detected at given DL Laboratory Director: Robert Michels I I I I I I I I Certification # 1920 Client: Project: I Aqua Geosciences, Inc. SEI 4440 Grissom St. Suite 100 Matrix: Soil Bakersfield, CA 93313 Analyst: Eric Wisdom ISampled by:. Diesel Analysis: NA Bob Becket BTEX Analysis: 8/18/97 i Test: TPH Diesel by EPA 8015M Date of Report: 8/18/97 BTEX by EPA 5030/8020 Units: rog/Kg TPH Gas by EPA 8015 I I Sample #: 971062 971063 Date Sampled: 8/18/97 8/18/97 Sample Description: S-BTM-E2 SEC-32' *DL Benzene 0.61 ND 0.005 Toluene 0.97 0.021 0.005 Ethyl Benzene 0.22 ND 0.005 m,p,o Xylenes 1 0.037 0.005 TPH Gasoline NA NA 0.5 TPH Diesel NA NA 0.5 MTBE NA NA 0.05 Surrogate Recover~/96 88 96 Sample #: Date Sampled: Sample Description: *DL Benzene Toluene Ethyl Benzene m,p,o Xylenes TPH Gasoline TPH Diesel MTBE Surrogate Recov, er~ 96 Sample #: Date Sampled: Sample Description: *DL Benzene Toluene Ethyl Benzene m,p,o Xylenes I'PH Gasoline TPH Diesel MTBE Surrogate Recover~ 96 , ND - Non-Detected at given DL Laboratory Director: Robert Michels I Certification # 1920 Client: Project: I Aqua Geosciences, Inc. SEI 4440 Grissom St. Suite 100 Matrix: Aqueous i Bakersfield, CA 93313 Analyst: Robert Michels Sampled by: Bob Becker Diesel Analysis: NA BTEX Analysis: 8/20/97 I Test: TPH Diesel by EPA 8015M Date of Report: 8/20/97 BTEX by EPA 5030/8020 Units: ug/L , TPH Gas b~' EPA 8015, , iSample #: 971073 971074 971075 Date Sampled: 8/19/97 8/19/97 8/19/97 5ample Description: SEM-W NEC-W Middle (MW-I) *DL ug/L Benzene 12 25 38 0.5 Toluene 8 28 25 0.5 Ethyl Benzene 10 14 28 0.5 m,p,o Xylenes 23 48 79 0.5 TPH Gasoline 760 2800 3400 50 TPH Diesel NA NA NA 50 Oil and Grease 8600 7800 6400 5 Surrogate Recover~ 96 84 110 , 90 Sample ~. Date Sampled: Sample Dqscription: *DL Benzene Toluene Ethyl Benzene m,p,o Xylenes TPH Gasoline TPH Diesel MTBE Surrogat, e, Recover/96 , , , , 5ample #: iDate Sampled: Sample Description: *DL Benzene Toluene Ethyl Benzene m,p,o Xylenes :TPH Gasoline TPH Diesel MTBE 96 I *DL = Detection Limit ND - Non-Detected at given DL Laboratory Director:. Robert Michels I mlal~n~al:l~at~t'i~ ~ ~ ~ ~ ~ a ~ ~ ~ ~' ~ ~ ~ 4440 Grissom St. Suile 100 Chain of Custody Form Bakersfield, CA 93313 (805) 836~8100 Fax: (805) 836-8800 Lab No. 1920 Client Name: ..~ EZ Analysis Requested Matrix Address: Croi~et Manafler: Sample No. Date & Time Sample Description & Container ~ ~ ~ i ~ ~ ~~ Comments Sampled Received By: ~: /~~ Date&Time: X:(~f~';' '~eceived By: : Date& Time: I Certification # 1920 Client: Project: I Aqua Geosciences, Inc. SEI 4440 Grissom St. Suite 100 Matrix: soil i Bakersfield, CA 93313 Analyst: Eric Wisdom Sampled by: Bob Becker Diesel Analysis: 8/21/97 BTEX Analysis: 8/20/97 ITest: TPH Diesel by EPA 8015M Date of Report: 8/21/97 BTEX by EPA 5030/8020 Units: mg/Kg TPH Gas b~' EPA, 8015 Sample #: 971076 971077 Date Sampled: 8/20/97 8/20/97 Sample Description: E-WalI-M E-BTM-M *DL mg/Kg Benzene NA 0.071 0.005 l'oluene NA O. 11 0.005 Ethyl Benzene NA 0.073 0.005 m,p,o Xylenes NA 0.15 0.005 TPH Gasoline NA NA 0.5 iTPH Diesel 'NA ND 0.5 YRPH 380 2300 50 Surrogate Recove~r/96 97 Sample #: Date Sampled: Sample Description: *DL Benzene Toluene Ethyl Benzene . m,p,o Xylenes TPH Gasoline TPH Diesel MTBE Surrogate Reconvert,,96 , , Sample #: Date Sampled: Sample Description: *DL Benzene Toluene Ethyl Benzene m,p,o Xylenes TPH Gasoline TPH Diesel MTBE I *DL = Detection Limit ND - Non-Detected at given DL Laboratory Director: Robert Michels ! 4440 Grissom St. Suite 100 Chain of Custody Form Bakersfield, CA 93313 (80..5) 836~8100 Fax: (805) 836-8800 Lab No. 1920 Client Name: ..~_~..~'~_____.,-T~ Analysis Requested Matrix Address: ~ ~ Soil Phone: ~_~ ~ ~ ~ ~ ~ ~ Other (Specify) Project Manager: ~~ Fax: Sampler Name: ~ . ~ ~ .~ ~ · Sample No. Date & Time ~ ~ ~ Sampled Sample Description & Container ~ m ~ ~ ~ ~ ~ Comments Relinquished By: ~d g ~;'~'~ Date&Time:~:~/~, Relinquished By: Dato&Time:~~ Received By: ~~ Date&Time~~:O~ Received By: Date&Time: - Certification # 1920 Client: Project: Aqua Geosciences, Inc. SEI 4440 Grissom St. Suite 100 Matrix: Soil Bakersfield, CA 93313 Analyst: Robert Michels Sampled by: Bob Becker TRPH Analysis: 8/25/97 Date of Report: 8/25/97 Test: Total Recoverable Petroleum Hydrocarbons Units: my/Kg Tested by EPA Method 418.1 Sample #: 971187 971188 971189 971190 Date Sampled: 8/25/97 8/25/97 8/25/97 8/25/97 Sample Description: N 1/4 W N 1/4 E N 1/2 W N 1/2 E *DL mg/Kg I~RPH 1900 1100 4600 1800 50 Sample ~. 97 ! 191 971192 971193 971194 Date Sampled: 8/25/97 8/25/97 8/25/97 8/25/97 Sample Description: S 1/2 W S 1/2 E S 1/4 W S 1/4 E *DL my/Kg TRPH 1200 710 3300 1800 50 Sample #: Date Sampled: Sample Description: *DL mg/Kg TRPH 50 *DL = Detection Limit ND - Non-Detected at given DL Laboratory Director:. Robert Michels I ,~al~o~a~r~ri~ ~ ~ ~= =~ ~= ~ ~ ~ ~ ~ ~ ~ ~ 4440 Grissom St. Suite,00 Chain of Custody Form Bakersfield, CA 93313 (805) 836,8100 Fax: (805) 836-8800 Lab No. 1920 Client Name: ._.~Z ~ Analysis Requested Matrix Project Name: ~"'~ ~' 7- ~ Z 0/ ~' -- · - o D Aqueous Address: < ~ ~ ~ ~Soil ~ ~ Phone: ~/-~/~ ~ ~ g ~ ~ ~ ~ Other {Specie} Pr°j~tManager: . e~ Fax: ~/'~//, ~ ~ ~ ~0 ~ SamplorNamo: ~ ~~ < ~ - ~ ~ Sample No. Date & Time ~ ~ ~ ~ Sampled Sample Description & Container ~ ~ ~ ~ ~ = ~ Comments /,'~o ~ yv E ~ 2.~3~ ~ Yy ~ ~ Relinquished By:. Date& Time: ~/ZZ/~ ~: 2elinquished By: ~ ~ ' ~ Date & TimeX/~Z/,~ ~;. Received By: ~~ Dale&Time~~ /~ Received By: ~ ~ Date&Tim~~ Certification # 1920 Client: Project: I Aqua Geosciences, Inc. SEI 4440 Grissom St. Suite 100 Matrix: Aqueous Bakersfield, CA 93313 Analyst: Eric Wisdom I Sampled by: R. BECKER Diesel Analysis: NA BTEX Analysis: 8/25/97 Test: TPH Diesel by EPA 8015M Date of Report: 8/25/97 IBTEX by EPA 5030/8020 Units: ug/L , ,TPH Gas by EPA 8015 , , , Sample #: 971186 Date Sampled: 8/25/97 Sample Description: 108BEA *DL ug/L Benzene 0.88 0.5 Toluene 6.7 0.$ Ethyl Benzene 2.4 0.5 m,p,o Xylenes 13 0.5 TPH Gasoline NA 50 TPH Diesel NA $0 Oil & Grease 1100 50 Surrogate Re, cove, r~ 96 81 Sample #: Date Sampled: Sample Description: *DL Benzene Toluene Ethyl Benzene m,p,o Xylenes TPH Gasoline TPH Diesel MTBE Surrogate Re~over~ 96 ~ , , , Sample #: Date Sampled: Sample Description: *DL Benzene Toluene Ethyl Benzene m,p,o Xylenes TPH Gasoline TPH Diesel MTBE Surrogate Recover~ % i I *DL -- Detection Limit ND - Non-Detected at given DL Laboratory Director: Robert Michels ! =l~all~o~l=Ea~ra~i~ ~ ~ =- ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 4440 Grissom St. Suite 100 Chain of Custody Form Bakersfield, CA 93313 (805) 836,8100 Fax: (805) 836-8800 Lab No. 1920 Client Name: S J~ ~ Analysis Requested Matrix Project Name: C"~-- C ~--~ Z 6 ~ ~, ~-..Aqueous m o Address: ~ ~~ Soil ' Project Manager: ~ SamplorName: ~, ~C~p~ ~ ~ ~ ~ ~ ' ~ .,~am-~eNo. Date&Time~ m ~_~ .~ , Sampled Sample Description & Container~ ~ ~ ~ ~ ~ ~ Comments Relinquished By: ~~~~ Date&Time: ~/Z~/~ .' Relinquished By: Date&Time: Received By:-~~''~ A~ Date&TimeS~/~ ¢ Received By: Date&Time: Certification # 1920 i Client: Project: Aqua Geosciences, Inc. SEI 4440 Grissom St. Suite 100 Matrix: Aqueous I Bakersfield, CA 93313 Analyst:. Eric Wisdom Sampled by: R. BECKER Diesel Analysis: NA BTEX Analysis: 9/10/97 I Test: TPH Diesel by EPA 8015M Date of Report: NA BTEX by EPA 5030/8020 Units: ug/L TPH Gas b~, EPA 8015 , , , I Sample #: 971239 971246 Date Sampled: 9/8/97 9/9/97 i Sample Description: W-889N W-91GRC *DL ug/L Benzene ND ND 0.5 Toluene ND ND 0.5 i Ethyl Benzene ND ND 0.5 m,p,o Xylenes ND ND 0.5 TPH Gasoline NA NA 50 I TPH Diesel NA NA 50 Oil & Grease ND ND 50 Surrogate Recover/96, 101 , 106 , I Sample #: Date Sampled: Sample Description: *DL Benzene Toluene Ethyl Benzene m,p,o Xylenes TPH Gasoline TPH Diesel MTBE Surro{:ate ,Rgcover/96 , , , , ,, , ISample #: Date Sampled: Sample Description: *DL Benzene Toluene Ethyl Benzene m,p,o Xylenes TPH Gasoline TPH Diesel MTBE Surrogate Recover~ 96 I *DL = Detection Limit ~g~ ND ~ Non-Detected at given DL Laboratory Director: Robert Michels 4440 Grissom St. Suite100 ~ Chain of Custody Form Bakersfield, CA 93313 (805) 836-8100 Fax: (805) 836-8800 Lab No. 1920 Client Name: ...~ __T"- Analysis Requested Matrix ~ °~/ E] =o Soil Address: u~ ~ Sampler Name: l~( ~C/..tCe,.,/ < n< :~ m DatO& limo Samplo ~oscfiption ·Containor ~ ~ m ~ ~ ~ Commonts 8amplo ~o. Sampled ~ m m ~ - ~elinquishod Bg: - ~ Dat~ & lim~: ~olinquished Bg: ~ate & lime: R.eivedBy:~~¢~~~Dato&Tim,:~/~[~' Received By: Date&Time: 4440 Gdssom St. Suite100 Chain of Custody Form Bakersfield, CA 93313 (805) 836-8100 Fax: (805) 836-8800 Lab No. 1920 Client Name: j'Z~Y Analysis Requested Matrix Project Name: C'~-'"~_. ~~- ~ ~',- o~ F"I Aqueous O (X3'O ,< D Soil ~ ~ ~ ~i~ ~ ~ D Other(Sp~ifY) Project Manager: Phone: Sampler Name: ~· ~~ Sample Uo. ~atOSampled &lime Samplo D~scdption & Containor i~!~ ~ ~ ~ ~ ~ ~ Commonts ~olinquishod ~y: ~ato & lime: Received By: Date & Time:~.~ I: ~ Received By: Date & Time: Certification # 1920 Client: Project: I Aqua Geosciences, Inc. SEI 4440 Grissom St. Suite 100 Matrix: Aqueous Bakersfield, CA 93313 Analyst: Robert Michels I Sampled by:. R. Becker Analysis: Diesel NA BTEX Analysis: 9/11/97 i Test: TPH Diesel by EPA 8015M Date of Report: 9/11/97 BTEX by EPA 5030/8020 Units: ug/L TPH Gas by EPA 8015 Sample #: 971259 Date Sampled: 9/10/97 Sample Description: W-IO8BEA *DL ug/L Benzene 0.21 0.5 Toluene 8.6 0.5 Ethyl Benzene 0.57 0.5 m,p,o Xylenes 2.1 0.5 TPH Gasoline NA 50 TPH Diesel NA 50 Oil & Grease ND 50 Surrogate Recovery 96 Sample #: Date Sampled: Sample Description: *DL Benzene Toluene Ethyl Benzene m,p,o Xylenes TPH Gasoline TPH Diesel MTBE Surrogate Recovery 96 Sample #: Date Sampled: Sample Description: *DL Benzene Toluene Ethyl Benzene m,p,o Xylenes TPH Gasoline TPtt Diesel MTBE Surrogate Recover~ 96 ! ND - Non-Detected at given DL NA - Result not available Laboratory Director: Robert Mlchels ! Chain of Custody Form ~kemfield. CA 93313 (805) ~8100 Fax: (805) ~6-8800 ~b No. 1~0 Client Name~. ~~ Analysis Requested Matrix - o queous Addr~s: ~ ~ ~ ~ < Z Soil ~ ~ Phone: ~/-~/Od .~ } ~ . ~ ~ Other(Spec,~) ProjectManageE ' C-~ Fax: ~/-~/11 ~o ~ ~; ~ ~ Sample No. Dale & Time x ~ ~ ~ Sampled Sample De~ption & Container ~ I~ ~ ~ i~ ~ ~ Comments Relinquished By: Dale & Time: ?~/0/~ ~ Relinquish~ B~ Dale & Time: Received By:- Dale & Time: q ~( Received By: Date & Time: I Certification # 1920 Client: Project: I Aqua Geosciences, Inc. SEI 4440 Grissom St. Suite 100 Matrix: Aqueous i Bakersfield, CA 93313 Analyst: Eric Wisdom Sampled by: R. Becker Diesel Analysis: NA BTEX Analysis: 9/12/97 I Test: TPH Diesel by EPA 8015M Date of Reporv. 9/17/97 BTEX by EPA 5030/8020 Units: ug/L , TPH Gas by EPA 8015 , Sample #: 971260 Date Sampled: 9/11/97 Sample Description: W-958-M *DL ug/L Benzene ND 0.5 Toluene ND 0.5 Ethyl Benzene ND 0.5 m,p,o Xylenes ND 0.5 TPH Gasoline NA 50 TPH Diesel NA 50 Oil & Grease ND 5 102 I , , , Surrogate Recoverer ,96 , 5ample #: Date Sampled: Sample Description: *DL Benzene Toluene Ethyl Benzene m,p,o Xylenes TPH Gasoline TPH Diesel MTBE Surro~atg Recovery 96 Sample #: Date Sampled: Sample Description: *DL Benzene Toluene Ethyl Benzene m,p,o Xylenes TPH Gasoline TPH Diesel MTBE Surrogate Recoyer/96 I *DL -- Detection Limit ND - Non-Detected at given DL NA - Result not available Laboratory Director: Robert Michels ! =lq~a I Lq~o rl~a I~ate~r i e~ ~,,o~om~.~u,~,oo ~ Chain of Custody Form Bakemfield, CA 93313 (805) ~6,8~00 Fax: (805) ~6-8800 Lab No. 1920 Client Name: ~ ~ A~lysis Requested Matrix Address: ~ ~ -- :~ ~ ~ Other(Sp~i~) Date&Time ~ ~ ~ ~ ~ ~ Sample No. SamPled Sample De~fiption & Container ~ ~ ~ ~ :~ - ~ Comments Relinquished By: Date & Time: ~/(' ~[?'~ Relinquished By: Date & Time: RecelvedBy: ~~ Date&Time:~-IZ-~/~.l7 Received By: Date&Time: I Certification # 1920 Client: Project: I Aqua Geosciences, Inc. SEI 4440 Grissom St. Suite 100 Matrix: Aqueous i Bakersfield, CA 93313 Analyst: Eric Wisdom Sampled by: R. BECKER Diesel Analysis: NA BTEX Analysis: 9/5/97 ITest: TPH Diesel by EPA 8015M Date of Report: 9/6/97 BTEX by EPA 5030/8020 Units: ug/L TPH Gas by EPA 801.5 Sample #: 971238 Date Sampled: 9/4/97 S..ample Description: W-1562 *DL ug/L Benzene ND 0.5 Toluene ND 0.5 Ethyl Benzene ND 0.5 m,p,o Xylenes ND 0.5 TPH Gasoline NA 50 TPH Diesel NA 50 Otl & Grease ND 50 Surrogate Reco, ver~ 96 91 Sample ~. Date Sampled: Sample Description: . *DL Benzene Toluene Ethyl Benzene m,p,o Xylenes TPH Gasoline TPH Diesel MTBE Surrogate Recover~ Sample #: Date Sampled: Sample Description: *DL ~ Benzene Toluene Ethyl Benzene im,p,o Xylenes TPH Gasoline I~PH Diesel MTBE Surrogate Recover~ 96 ~ I *DL -~ Detection Limit ND - Non-Detected at given DL Michels ! 4440 Gris$om St. Suite100 Chain of Custody Form Bakemfield, CA 93313 (805) 8~-8100 Fax: (805) 836-8800 Lab No. 1920 Client Name: ,~".~' ~ Analysis Requested Matrix Project Name: ~"¥="C ~ Z( o ~ _ ~q - o ueous Addr~s: Project Manager: ~ :~~ Phone: ~[--~[~o ~ ~ ~ ~ {~ ~ ~ Other (Specie) Sampler Name: < ~ : . Sample .o. Date & Tim~ Sampled Sample De~fiption & Container ~ ~ ~ ~ ~ ~, Comments Relinquished By: .. Date & ~me: J~ Relinquished By: Date & Time: ~ . ~./~- Received By: Date & Time: Certification # 1920 Client: Project: Aqua Geosciences, Inc. SEI 4440 Grissom St. Suite 100 Matrix: Aqueous Bakersfield, CA 93313 Analyst: Eric Wisdom Sampled by: R. BECKER Diesel Analysis: NA BTEX Analysis: 9/4/97 Test: TPH Diesel by EPA 8015M Date of Report: 9/6/97 BI'EX by EPA 5030/8020 Units: ug/L TPH G,as b~' EPA 801,5 · [[ [ [ [ [ I II [ [ 1' I [11 [11 [ [ II Sample #: 971426 Date Sampled: 9/3/97 Sample Des.cription: W-9-3 *DL ug~.L.... Benzene ND 0~5 Toluene ND 0.5 Ethyl Benzene · ND 0.5 m,p,o Xylenes ND 0.5 TPH Gasoline NA 50 TPH Diesel NA 50 Oil & Grease ND 50 ,Surrogate Reco¥,e ,rg,, ,%, 94 Sample #: Date Sampled: ,Sample Description: *DL Benzene Toluene Ethyl Benzene m,p,o Xylenes TPH Gasoline TPH Diesel MTBE Surro~ate R,~cover~ 96 , , , , , , ,,, ,,,, , , , , ,,,, Sample #: Date Sampled: Sample Description: *DL Benzene Toluene Ethyl Benzene m,p,o Xylenes TPIt Gasoline TPII Diesel MTBE · DL ~ Detection Limit ND - Non-Detected at given DL Laboratory Director: Robert Mtchels · Chain of Custody Form Bakersfield, CA 93313 (805) 836~8100 Fax: (805) 836-8800 Lab No. 1920 ~Client Name: 5 (~ ~ Analysis Requested Matrix Project Name: C + C T~ ~. ~ ~' -- ~queous Address: ~ Phone: <:?~'~-,~'"[OO ~ ~ ! ~ ~ ~ ,~Other(Spocify) Sampler Name:sample No. Date Sampled Sample Description & Container ~ ~ ~ I-- (~ Comments Relinquished By: Date & Time: .- ._~;~.._ Relinquished By: Dale & Time: Received By: Dale & Time: ~[.,~.~ ~,'2~ Received By: Date & Time: 4440 Grissom St. Suite 100 Chain of Custody Form Bakerslield, CA 93313 (805) 836~8100 Fax: (805) 836-8800 Lab No. 1920 Client Name: C ~ T'~-{ Z ~ Analysis Requesled Matrix prOject Name: ~'._ Ao E] Aqueous < oil Sample No. Date & Time Sample' De~Hption & Container ~ ~ ~ ~ ~ Comments Sampled ~ ~ ~ ~ ~ Relinquished By: ~~~ Date,Time:~b,/~ Relinquished By: Dale,Time: Received By: ~ ~ Dale&Time: ~~'' R,eivedBy: Date&Time: Certification # 1920 Client: Project: I Aqua Geosciences, Inc. SEI 4440 Grissom St. Suite 100 Matrix: Soil Bakersfield, CA 93313 Analyst: Robert Michels I Bob Becker TRPH 9-29-97 Sampled by: Analysis: Date of Report: 9-29-97 iTest: Total Recoverable Petroleum Hydrocarbons Units: mg/Kg Tested by EPA Method 418.1 Sample #: 971326 971327 971328 971329 Date Sampled: 9/26/97 9/26/97 9/26/97 9/24/97 Sample Description: MW1A-35' MW2A-35' MW4-30' MW5-30' *DL mg/Kg TRPH '?000 9700 ND ND 50 Sample ~ 971330 971331 Date Sampled: 9/24/97 9/24/97 Sample Description: MW6-20' MW6-45' *DL m~,/Kg TRPH ND ND $0 I I I I I I I I I Sample ~ Date Sampled: Sample Description: ~DL m~K$ FRPH 50 I I · I · *DL = Detection Limit I ND - Non-Detected at given DL Laboratory Director:. R~bert Mlchels I I I I I I I I_ABORATORIES I November 10, 1997 IR BECKER SOILS ENGINEERING 4700 DISTRICT BOULEVARD BAKERSFIELD, CA 93313 I Subject: Laboratory Submission No.: 97-10687 Samples Received: 10/03/97 IDear R BECKER The samples(s) listed on the Chain of Custody report were received by BC Laboratories, Inc. on 10/03/97. I Enclosed please find the analytical data for the testing requested. If you have any questions regarding this report please contact me at (805)327-4911, iext. 206. Any unused sample will be stored on our premises for a minimum of 30 days (excluding bacteriologicals) at which time they will be disposed unless otherwise I r equested at the time of sample receipt. A disposal fee of $5 per sample may apply for solid sample matrices. Please refer to submission number 97-10687 when calling for assistance. I Sincerely, I Erin Breakie Client Services BC Laboratories, Inc. ! lsults listed in this report ere for the exclusive use of the submitting party. BC Laboratories, Inc. essumes no responsibility for report alteration, ssperation, detachment or third party interpretation. 4100 Atlas Ct.. Bakersfield, CA 93308 . (805) 327-4911 . FAX (805) 327-1918 · ~n ao r s ' r.'s'~st'n~'~~°/~~/~~ Chain of Custody Form Client Name~ .~'O I~.~ E/d. O/l~l ~'~' Y', l,~ ,~ /~C. Analysis Requested Matrix Project Name: ~ ~ ~ ~ ~ *- ~o ~ Aqueous Project Manager: ~t ~ C~ Phone:Fax: [~O~J[--~/Oo Sampler Name: ~ ~ ~~ ~,~O~ x~~ ~ · Date & Time Sample Desc~ption & Container m Relinquished By: -/~~/7' '~~ /Oh/~X/~elinquished By: · " r -- ~ ~. j~ Date & Time: Date & Time: R~ived B%~ Date & Time' ' 0/~/~ ~ Received By: Date&Time: mc LABORATORIES INC. SAMPLE RECEIPT FORM -Rev. No.3 m SHIPPING SPECIFICATIONS I SHIPPING CONTAINER aeral Express UPS ~ Hand Delivery ~ -- .Ice Chest'[] Box [] ~m~ Lab Field Service ~ Other r-i (Specify) None~ Other ~ (Specify) ~ SAMPLE CONDITION m,ernureC Temper~ure~°~ ~ Temperature °C Temperature oc Temperature~OC Tempera~ure~OC i )ce Blue Ice ~ None ~ Comments: .~s~ody .Seals: Ice Chest ~ Containers ~ None "~-- m) samples received? Ye~- No ~ All samples intact? Ye~ No ~ Description match COC? SAMPLE CONTAINERS "- ~GENERAL MINERAL~ GENERAL PHYSICAL PE UNPRES~VED ~JNORGANIC CHEMICAL M~ALS CYANIDE i .. m~mTROGEN FORMS ) .... mTOTAL SULFIDE ' ' ; - ~=:. NITRATE .' NITRITE ~n~ TOTAL ORGANIC CARBON I TOX ~HEMICAL OXYGEN DEMAND ' C.-~.m: PHENOLICS . m: ,~..o~ VIAL TRAVEL BLANK D~ SET (2 VIALS. 1TB) EPA ~13,1. 413:2. 418.1 S~T[RIOLOGICA/ EP~ 52~ TRAVEL BLAN~ ,s~m~ EPA 547 "3m~ EPA 531.1 I EPA 54B ' m EPA 549 EpA 632 ~EPA 8015M .. m QA Qc ~S. JAR m~z. JAR .... SLE~E VIAL ~TIC BAG LABORATORIES Page 1 Total Petrole~ Hydrocarbons I SOILS ENGINEERING Date Reported: 10/15/97 4700 DISTRICT BOULEVARD Date Received: 10/03/97 BAKERSFIELD, ~ 93313 Laborato~ No.: 97-10687-6 I Attn: R BECKER 805-831-5100 Sample Description: C&C T5426: ~-6A, S~PLED BY R BECKER I S ampling Date/Time: 10/03/97 ® 01:15~ Method I Constituents S~ple Results Units P.Q.L. Method Oil and Grease None Detected mg/L 1. EPA-413.1 Note: Sample received at pH = 8. · I Stuart G. Buttr~ Department Supervisor %lsults listed in this rspod are for t~ exclusive use ~ the submi~lng pa~ BC ~borstorles, inc. assumes no responsi~lHy for repo~ sitermlon, ~tlon, detsch~nt or third ~ inte~retatlon. 4100AtlasCto.Bakersfield, CA93308.(805) 327-4911. ~X(805) 327-1918 Page 1 LABORATORIES Purgeable Aromatics - and Total Petroleum Hydrocarbons I SOILS ENGINEERING Date Reported: 10/15/97 4700 DISTRICT BOULEVARD Date Received: 10/03/97 I ~AKERSFIELD, CA 93313 Laboratory No.: 97-10687-1 Attn: R BECKER 805-831-5100 Sample Description: C&C T5426: MW-iA, SAMPLED BY R BECKER I Sample Matrix: Water Date Collected: 10/03/97 ® 02:00PM Date Extracted-8020: 10/16/97 Date /%nalyzed-8020~ 10/16/97 I Date Extracted-8015M(d) : 10/06/97 Date Analyzed-8015M(d) : 10/08/97 I Practical Analysis Reporting Quantitation Constituents Results Units Limit Benzene 1.2 ~g/L 0.3 Toluene None Detected ~g/L 0.3 Ethyl Benzene 0.92 ~g/L 0.3 Total Xylenes None Detected ~g/L 0.6 I Surrogate % Recovery 94. % 70-130 Total Petroleum Hydrocarbons (diesel) 220. ~g/L 200. I Surrogate % Recovery 90. % 60-126 TEST METHOD: TPH by D.O.H.S. / L.U.F.T. Manual Method - Modified EPA I Individual constituents by EPA Method 5030/8020. California D.O.H.S. Cert. ~1186 .. Stuart G. BuX'fi~tram IDepartment Supervisor · . lsults listed in this report ere for the exclusive use of the submitting party. BC Laboratories, Inc. assumes no responsibility for report alteration, separation, detachment or third party interpretation. 4100 Atlas Ct.. Bakersfield, CA 93308 . (805) 327-4911 o FAX (805) 327-1918 LABORATORIES Page Purgeable Aromatics and Total Petroleum Hydrocarbons SOILS ENGINEERING Date Reported: 10/15/97 4700 DISTRICT BOULEVARD Date Received: 10/03/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-10687-2 Attn: R BECKER 805-831-5100 Sample Description: C&C T5426: MW-2A, SAi~PLED BY R BECKER Sample Matrix: Water .Date Collected: 10/03/97 ® 02:153%M Date Extracted-8020: 10/16/97 Date Analyzed-8020: 10/16/97 Date Extracted-8015M(d) : 10/06/97 Date Analyzed-8015M(d) : 10/10/97 Practical Analysis Reporting Quantitation Constituents Results Units Limit Benzene 17. ~g/L 0.3 Toluene None Detected ~g/L 0.3 Ethyl Benzene 14. ~g/L 0.3 Total Xylenes 42. ~g/L 0.6 Surrogate % Recovery 94. % 70-130 Total Petroleum Hydrocarbons (diesel) 1000. ~g/L 200. Surrogate % Recovery 86. % 60-126 TEST METHOD: TPH by D.O.H.S. / L.U.F.T. Manual Method - Modified EPA 8015 ..;.~ Individual constituents by EPA Method 5030/8020. ~: I i C alifornia D.O.H.S. Cert. ~1186 i Stuart G. Buttram -: · Department Supervisor ,, ' lesulta listed in this report are for the exclusive use of the submitting pady. BC Laboratories, Inc. assumes no responsibility for report alteration, seperstlon, detachment or third pa~/interpretation. 4100 Atlas Ct.. Bakersfield, CA 93308 · (805) 327-4911 . FAX (805) 327-1918 I. ABORATORIES Page 1 Purgeable Aromatics and I Total Petroleum Hydrocarbons ~OILS ENGINEERING Date Reported: 10/15/97 i 4700 DISTRICT BOULEVARD Date Received: 10/03/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-10687-3 ~tn: R BECKER 805-831-5100 I Sample Description: C&C T5426: MW-3, SAMPLED BY R BECKER Sample Matrix: Water -Date Collected: 10/03/97 @ 01:45Ai~ Date Extracted-8020: 10/16/97 I Date Analyzed-8020: 10/16/97 Date Extracted-8015M(d) : 10/06/97 Date Analyzed-8015M(d) : 10/08/97 I Practical Analysis Reporting Quantitation Constituents Results Units Limit I Benzene 0.58 ~g/L 0.3 Toluene None Detected ~g/L 0.3 .,~,~ :~... i Ethyl Benzene None Detected ~g/L 0.3 '~.. '"~ Total Xylenes None Detected ~g/L 0.6 ,, Surrogate % Recovery 87. % 70-130 Total Petroleum iHydrocarbons (diesel) None Detected ~g/L 200. SurroGate % Recovery 92. % 60-126 ITEST METHOD: TPH by D.O.H.S. / L.U.F.T. Manual Method - Modified EPA 8015 '' · Individual constituents by EPA Method 5030/8020. '3:i'i I I C alifornia D.O.H.S. Cert. #1186 ' I Stuart G. Buttram ',~ Department Supervisor ' leulta listed In this report ere for the exclusive use of the submitting party. BC Laboratories, Inc. assumes no responsibility for report alteration, saperetlon, detachment or third party Interpretation. 4100 Atlas Ct. · Bakersfield, CA 93308 . (805) 327-4911 . FAX (805) 327-1918 IRATORIES Page 1 Purgeable Aromatics and i Total Petroleum Hydrocarbons SOILS ENGINEERING Date Reported: 10/15/97 I 4700 DISTRICT BOULEVARD Date Received: 10/03/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-1068,7-4 Attn: R BECKER 805-831-5100 I Sample Description: C&C T5426: MW-4, SAMPLED BY R BECKER Sample Matrix: Water Date Collected: 10/03/97 @ 01:30AM Date Extracted-8020: 10/16/97 I Date ~alyzed-8020: 10/16/97 Date Extracted-8015M(d): 10/06/97 Date Analyzed-8015M(d) : 10/08/97 I Practical Analysis Reporting Quantitation Constituents Results Units Limit I Benzene None Detected ~g/L 0.3 Toluene None Detected ~g/L 0.3 .. Ethyl Benzene None Detected ~g/L 0.3 I Total Xylenes None Detected ~g/L 0.6 Surrogate % Recovery 87. % 70-130 Total Petroleum iHydrocarbons (diesel) None Detected ~g/L 200. Surrogate % Recovery 97. % 60-126 iTEST METHOD: TPH by D.O.H.S. / L.U.F.T. Manual Method - Modified EPA 8015 Individual constituents by EPA Method 5030/8020. I i C alifornia D.O.H.S. Cert. ~1186 I Stuart G. Buttram Department Supervisor ~ laults listed in this reporl ars for the exclusive use of the submitting party. BC Laboratories, Inc. assumes no responsibility for report alteration, seperatlon, detachment or third party interpretation. 4100 Atlas Ct. · Bakersfield, CA 93308 . (805) 327-4911 . FAX (805) 327-1918 LABORATORIES Page 1 Purgeable Aromatics and i Total Petroleum Hydrocarbons SOILS ENGINEERING Date Reported: 10/15/97 i 4?00 DISTRICT BOULEVA3~D Date Received: 10/03/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-10687-5 A~tn: R BECKER 805-831-5100 I Sample Description: C&C T5426: MW-5, SAMPLED BY R BECKER Sample Matrix: Water Date Collected: 10/03/97 @ 01:00AM Date Extracted-8020: 10/16/97 I Date Analyzed-8020: 10/16/97 Date Extracted-8015M(d) : 10/06/97 Date Analyzed-8015M(d) : 10/08/97 I Practical Analysis Reporting Quantitation constituents Results Units Limit I Benzene None Detected ~g/L 0.3 Toluene None Detected ~g/L 0.3 Ethyl Benzene None Detected ~g/L 0.3 '.'. I Total Xylenes None Detected ~g/L 0.6 ~.~ ~ Surrogate % Recovery 100. % 70-130 Total Petroleum Hydrocarbons (diesel) None Detected ~g/L 200. ISurrogate % Recovery 98. % 60-126 iTEST METHOD: TPH by D.O.H.S. / LoU.F.T. Manual Method - Modified EPA 8015 Individual constituents by EPA Method 5030/8020. ' I i C alifornia D.OoH.S. Cert. $1186 i Stuart G. Buttram % . Department Supervisor lsults Ileted in this report are for the exclusive use of the submitting party. BC Laboratories, Inc. assumes no responsibility for report alteration, 8eperetlon, detachment or third party interpretation. 4100 Atlas Ct. · Bakersfield, CA 93308 . (805) 327-4911 . FAX (805) 327-1918 Page 1 I_ABORATOR~ES Purgeable Aromatics (EPA Method 5030/8020) I SOILS ENGINEERING Date Reported: 10/22/97 4700 DISTRICT BOULEVARD Date Received: 10/03/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-10687-TB I Attn: R BECKER 805-831-5100 Sample Description: C&C T5426: TRAVEL BLANK I Sample Matrix: Water Date Collected: Date Extracted: 10/16/97 Date Analyzed: 10/16/97 I Practical Analysis Reporting Quantitation Constituents Results Units Limit I Benzene None Detected ~g/L 0.3 Toluene None Detected ~g/L 0.3 Ethyl Benzene None Detected ~g/L 0.3 I Total Xylenes None Detected ~g/L 0.6 Surrogate % Recovery 77. % 70-130 ! ! . California D.O.H.S. Cert. ~1186 '",'",', .... ,.= . Stuart G. Buttr~In -'" ' IDepartment Supervisor · P > leulta listed in this report are for the exclusive use of the submitting party. BC Laboratories, Inc. assumes no responsibility for report alteration, ssperatlon, detachment or third party interpretation. 4100Atlas Ct. · Bakersfield, CA 93308 . (805)327-4911 . FAX (805)327-1918 I_ABORATORIES Page 1 Purgeable Aromatics and I Total Petroleum Hydrocarbons SOILS ENGINEERING Date Reported: 10/22/97 I 2700 DISTRICT BOULEVARD Date Received: 10/03/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-10687-6 Attn: R BECKER 805-831-5100 I Sample Description: C&C T5426: FfW-6A, S~PLED BY R BECKER Sample Matrix: Water .Date Collected: 10/03/97 @ 01:15Ai~ Date Extracted-8020: 10/16/97 Date Analyzed-8020: 10/16/97 Date Extracted-8015M(d) : 10/06/97 Date D~nalyzed-8015M(d) : 10/08/97 I Practical ~%nalysis Reporting Quantitation Constituents Results Units Limit I Benzene 43. ~g/L 2. Toluene None Detected ~g/L 0.3 ., ,.-.. i Ethyl Benzene 7.7 ~g/L 0.3 Total Xylenes 1.1 ~g/L 0.6 Surrogate % Recovery 94. % 70-130 Total Petroleum IHydrocarbons (diesel) None Detected ~g/L 200. Surrogate % Recovery 97. % 60-126 ITEST METHOD: TPH by D.O.H.S. / L.U.F.T. Manual Method - Modified EPA 8015 -<':~i.%j ~ Individual constituents by EPA Method 5030/8020. <"~.~ Note: PQL's were raised due to high concentration of target analytes re~iring s~ple dilution. S~ple received at pH = 5 ~' ~ ! . · · ,~''~' )'>i ' I C alifornia D.O.H.S. Cert. #1186 I Stuart G. But~r~ ~ ' ~ i " Department Supervisor '""~i~ .' · leeulta listed In th~ re~ are for t~ exclusive uae ~ the eubml~lng pa~y, BC ~boratodes, Inc. assumes no responsibility for repo~ alter~lon, secretion, de.chant or ~ird ~ inte~retatlon. 4100 Atlas Ct.. Bakersfield, CA 93308 . (805) 327-4911 . FAX (805) 327-1918 LABORATORIES I November 20, 1997 I BOB BECKER SOILS ENGINEERING 4700 DISTRICT BOULEVARD BAKERSFIELD, CA 93313 I Subject: Laboratory Submission No.: 97-11657 Samples Received: 10/29/97 I Dear BOB BECKER The samples(s) listed on the Chain of Custody report were received by BC I Laboratories, Inc. on 10/29/97. Enclosed please find the analytical data for the testing requested. .If you :. have any questions regarding this report please contact me at (805)327-4911, I ext. 206. Any unused sample will be stored on our premises for a minimum of 30 days (excluding bacteriologicals) at which time they will be disposed unless otherwise I requested at the time of sample receipt. A disposal fee of $5 per sample may apply for solid sample matrices. '~ Please refer to submission number 97-11657 when calling for assistance. I Sincerely, I Erin Breakie Client Services BC Laboratories, Inc. lsults listed in this report are for the exclusive use of the submitting party. BC Laboratories, Inc. assumes no responsibility for report alteration, seperetion, detachment or third party interpretation. 4100 Atlas Ct. · Bakersfield, CA 93308 · (805) 327-4911 . FAX (805) 327-1918 Page Purgeable Aromatics and Total Petroleum Hydrocarbons I SOILS ENGINEERING Date Reported: 11/05/97 4700 DISTRICT BOULEVA~D Date Received: 10/29/97 I BAKERSFIELD, CA 93313 Laboratory No.: 97-11657-9 _~ttn: BOB BECKER 805-831-5100 Sample Description: C&CT5426 (PROJECT ~8308) SAMPLED BY RJB I Sample ID: 5~W-6A Date Collected: 10/29/97 @ ll:30AM Sample Matrix: WATER Date Extracted-8020: 11/03/97 Date knalyzed- 8020: 11/03/97 Practical ~alysi s Reportin~ Quantitat ion constituents Results Units Limit Benzene 31. ~/L 0.3 Toluene None Detected ~/L 0.3 Ethyl Benzene None Detected ~/L 0.3 Total Xylenes None Detected ~/L 0.6 Surrogate % Recove~ 115. % 70-130 ~ TEST ~THOD: TPH by D.O.H.S. / L.U.F.T. ~ual Method - Modified EPA 8015 Individual constituents by EPA Method 5030/8020. I I Note: S~ple received at pH = 4. Stuart G. Buttr~ Department Supervisor l~u~ Iist~ In th~ ropo~ are for t~ exclusive uso ~ the subm~lng ~ay. BO N~atorles, Inc. assumes no responslbili~ for repeal alter~ion, se~ratlon, do~chmnt or third ~ Into~l~. 4100 Atlas Ct.. Bakersfield. CA 93308 . (805) 327-4911 . FAX (805) 327-1918 Name: ,~' Address: ~O ~j~tf ~,Project ~: City: ~ ~ (~, State: Zip: ~/~ Other: ~ ~ - ~~ ~ ~ ~ ~ ~'~ ~ =~ E~ Phone: ~ CommeQt: :mll.t.a.[.],,,m...,. Re~~b~Si~natur.) ~~W~VV~l~~~t~Receivod bY:by: (STgnature)(~na~[e~ ~ ' ~' A A ~'~ ~ ~Date: ~me: ,~./ . Name: ~ ~ ~~ Re~nquished Received 5a~ Address: ~.~ I ~.. ~ I ,. / t ~l[y State Relinquished by: (Signa~re) Received by: (Signature) Date: ~me: Relinquished by: (Signature) Received by: (Signature) Date: ~me: D~a~~ ' ;~I _ Re,~q.~.d by: (S~,n~.) R.~.~ed ~y: (S~,na~.) D~t.: ~m~: LABORATORIES INC. SAMPLE RECEIPT FORM -Rev. No.3 NU'M[~ER~3 -!! ~),~' I TIME RECEIVED: SHIPPING SPECIFICATIONS I SHIPPING CONTAINER I Ice Chest r-I Box ral Express, [] UPS [] Hand Delivery ~;~.. None ~ Other [] {Specify) ~ Lab Field Service [] Other [] (Specify) -' Ches! ID Ice Chest ID lee Chest ID lee Chest ID lee Chest ID lee Cheat ID ~mereture °C Tempereture__°C Temperature °C Temperature__ °C Temperature~°C Temperature ivh¥ ce ~ Blue Ice [] NoneS*- Comm,ents: tody Seals: Ice Chest [] Containers [] l;amples received7 Yevs~_.. No [] All samples intact? Ye~. No [] Description match COC? Ye~.'~No SAMPLE CONTAINERS INERAL MINERAL/ GENERAL PHYSICAL PE UNPRESE~VED '~ORGANIC CHEMICAL METALS I~RGANIC CHEMICAL METALS CYANIDE .~ 'ROGEN FORMS I TAL SULFIDE :! ITRATE / NITRITE ~ml TOTAL ORGANIC CARBON IEMICAL OXYGEN DEMAND ~ml PHENOLICS .~voA VIAL ~RAVEL eLANK ~oA VIAL ~-'~ ~T I~ V~ALS. ~ LO GICAL ;TE~IOLOGICAL ~ 504 ~A sos/~os/eoeo EPA 515.118150 ~ 525 TRAVEL BLANK .~m EPA 547 ~rni EPA 531.1 ~ 548 mk549 EPA 632 ~ 8015M m/oc 7. JAR ~mJAR ~ VIAL mc BAG ' .~eted by: il ~ [F:\WP~O~DATA[DOCS~SHE]LAH~FORMS~$AMREC.FRM! IRATORIES Page Total Petroleum Hydrocarbons SOILS ENGINEERING Date Reported: 10/15/97 4700 DISTRICT BOULEVARD Date Received: 10/03/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-10687-1 .~ttn: R BECKER 805-831-5100 Sample Description: C&C T5426: MW-lA, SAMPLED BY R BECKER Sampling Date/Time: 10/03/97 @ 02:00PM Method Constituents Sample Results Units P.Q.L. Method Oil and Grease None Detected mg/L 1. EPA-413.1 , :, '., ' Note: Sample received at pH = 8 "':':':~:'' :"~ Stuart G. Buttr~ ~ :' · ~ Department Supervisor ' ~:-~' ~ ~ ~ ~ '~ ~ ~sulls IJst~ ;~ this repeN are f~ Ihs exclusive use ~ the submi~lng ~a~y. BC ~at~Hes, Inc. assumes ne ~esponslbillty for ~ep~ alte~lon, 4100 Atlas Ct.. Bakersfield, CA 93308 · ('805) 327-4911 . FAX (805) 327-1918 LABORATORIES Pacj'e 1 Total Petroleum Hydrocarbons I SOILS ENGINEERING Date Reported: 10/15/97 4700 DISTRICT BOULEVARD Date Received: 10/03/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-10687-2 I .'~t tn ~ R BECKER 805-831-5100 Sample Description: C&C T5426: MW-2A, SAMPLED BY R BECKER ISampling Date/Time: 10/03/97 @ 02:15AM Method i Constituents Sample Results Units P.Q.L. Method Oil and Grease 1.6 mg/L 1. EPA-413.1 I I ! I Note: Sample received at pH = 8. ~.~ California D .H.~ Cer . ~1186 I Stuart G. Buttram Department Supervisor lsult, listed in this report are for the exclusive use of the submitting party. BC Laborstorles, Inc. assumes no responsibility for report alteration, seporstlon, detachment or thirrl party interpretation. 4100 Atlas Ct.. Bakersfield, CA 93308 · (805) 327-4911 . FAX (805) 327-1918 LABORATORIES Page 1 Total Petroleum Hydrocarbons SOILS ENGINEERING Date Reported: 10/15/97 4700 DISTRICT BOULEVARD Date Received: 10/03/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-10687-3 At,n: R BECKER 805-831-5100 Sample Description: C&C T5426: MW-3, SAMPLED BY R BECKER Sampling Date/Time: 10/03/97 ~ 01:45AM Method Constituents Sample Results Units P.Q.L. Method Oil and Grease None Detected mg/L 1. EPA-413.1 Note: Sample received at pH = 8 C Stuart G. Buttram Department Supervisor listed in this ~e~N a~e f~ t~ exclusive use of the subml~ng ~, ~C ~bor~es, Inc. assumes n~ ~es~enslbllNy for mpo~ alte~len, se~rstion, ~¢h~nt e~ ~i~d ~ Integration. 4100 Atlas Ct . Bakersfield, CA 93308 . (805) 327-4911 . FAX (805) 327-1918 LABORATORIES Page 1 Total Petroleum Hydrocarbons I SOILS ENGINEERING Date Reported: 10/15/97 4700 DISTRICT BOULEVARD Date Received: 10/03/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-10687-4 i .~t tn: R BECKER 805-831-5100 Sample Description: C&C T5426: MW-4, SAMPLED BY R BECKER I S ampling Date/Time: 10/03/97 @ 01:30AM Method I Constituents Sample Results Units P.Q.L. Method Oil and Grease None Detected mg/L 1. EPA-413.1 ! I ! ! I Note: Sample received at pH = 8 86 "'~' I i Stuart Department Supervisor ':' ~. '::~ ~su~8 listed In this r~o~ are for the exclu.lve u.e ~ the submi~lng pa~. BC ~b~atorles, Inc. assumes no responsibility for mpofl alter~lon, secretion, de.chant or ~ird ~ inte~ret~lon. 4100 Atlas Ct.. Bakersfield, CA 93308 . (805) 327-4911 . FAX (805) 327-1918 ILABORATORIES Page 1 Total Petroleum Hydrocarbons I SOILS ENGINEERING Date Reported: 10/15/97 4700 DISTRICT BOULEVARD Date Received: 10/03/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-10687-5 i Attn: R BECKER 805-831-5100 Sample Description: C&C T5426: MW-5, SAMPLED BY R BECKER I Sampling Date/Time: 10/03/97 @ 01:00AM Method I Constituents Sample Results Units P.Q.L. Method Oil and Grease None Detected mg/L 1. EPA-413.1 Note: Sample received at pH = 8. ' " ..... 'i ... '" '~ C a~~6 ~ !~' ' · ' i Stuart G. Buttram ' Department Supervisor ~- ' ~, · lsulte listed In this report ere for the exclusive use of the submitting party. BC Laboratories, Inc. assumes no responsibility for report alteration, eeperetion, detachment or third party interpretation. 4100 Atlas Ct.. Bakersfield, CA 93308 · (805) 327-4911 o FAX (805) 327-1918 LABORATORIES Page 1 CHEMICAL ANALYSIS ISOILS ENGINEERING Date Reported: 11/14/97 4700 DISTRICT BOULEVARD Date Received: 10/29/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-11657-4 iAttn: BOB BECKER 805-831-5100 Sample Description: C&CT5426 (PROJECT ~8308) SAMPLED BY RJB ISample ID: N1/2E-2 Sampling Date/Time: 10/29/97 ~ 10:50AM IMethod Constituents Sample Results Units. P.Q.L. Method Total Nitrogen * None Detected % 0.05 AOAC-972.43 I I P.Q.L. = Practical Quantitation Limit (refers to the least amount of analyte quantifiable based on sample size used and analytical technique employed). I REFERENCES: AOAC = "Official Methods of the Association of Official Analytical' Chemists" Note: Excess moisture was expelled by drying prior to. analysis. ! Flag Explanations: * = Sample analyzed by Desert Analytics Dan Schultz Laboratory Director lesults listed In this report ers for the exclusive use of the submitting party. BC Laboratories, Inc. assumes no responsibility for report alteration, seperetion, detachment or third party interpretation. 4100 Atlas Ct.. Bakersfield, CA 93308 . (805) 327-4911,. FAX (805) 327-1918 ASORATORIES Page 1 CHEMICAL ANALYSIS ISOILS ENGINEERING' 11/14/97 Date Reported: 4700 DISTRICT BOULEVARD Date Received: 10/29/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-11657-5 iAttn: BOB BECKER 805-831-5100 Sample Description: C&CT5426 (PROJECT ~8308) - SAMPLED BY RJB ISample ID: N1/2W-2 Sampling Date/Time: 10/29/97 ® 10:55AM IMethod Constituents Sample Results Units P.Q.L. Method Total Nitrogen * None Detected % 0.05 AOAC-972.43 ! P.Q.L. = Practical Quantitation Limit (refers to the least amount of analyte quantifiable based on sample size used and analytical technique employed). I REFERENCES: AOAC = "Official Methods of the Association of Official Analytical Chemists" Note: Excess moisture was expelled by drying prior to analysis. I Flag Explanations: i * = Sample analyzed by Desert Analytics Dan Schultz Laboratory Director lsults listed in this report are for the exclusive use of the submitting party. BC Laboratories, Inc. assumes no responsibility for report alteration, separation, detachment or third party interpretation. 4100 Atlas Ct. · Bakersfield, CA 93308 . (805) 327-4911 . FAX (805) 327-1918 Page 1 CHEMICAL ANALYSIS ISOILS ENGINEERING Date Reported: 11/14/97 4700 DISTRICT BOULEVARD Date Received: 10/29/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-11657-8 iAttn: BOB BECKER 805-831-5100 Sample Description: C&CT5426 (PROJECT ~8308) SAMPLED BY RJB iSample ID: S1/4E-2 Sampling Date/Time: 10/29/97 ® ll:10AM IMethod Constituents SamDle Results Units P. Q.L. Method Total Nitrogen * None Detected % 0.05 AOAC-972.43 ! I P.Q.L. = Practical Quantitation Limit (refers to the least amount of analyte quantifiable based on sample size used and analytical technique employed). IREFERENCES: AOAC = "Official Methods of the Association of Official Analytical Chemists" Note: Excess moisture was expelled by drying prior tO ,~alysis. Flag Explanations: * = Sample analyzed by Desert Analytics ! ~/Dan Schultz Laboratory Director ! · ~l. sulte listed in this report are for the exclusive use of the submitting party. BC Laboratories, inc. sssumes no responsibility for report alteration, seperation, detachment or third party interpretation. 4100 Atlas Ct.. Bakersfield, CA 93308 . (805) 327-4911 . FAX (805) 327-1918 DESERT ANAL YTICS Analysis for the Chemical Elements P.O. Box 41838 Tucson, Arizona 85717 Phone (520) 623-3381 Fax (520) 623-g218 Certificate of Analysis BC LABORATORIES, INC. Attn: C. Ariey 4100 Arias Court Bakersfield, CA 93308 Sample ID %C %H %N %S %CI %P 97-11657-1 <0.02 -4 <0.02 -5 <0.02 -8 <0.02 NOTE: Excess moisture was expel/ed by d/ying prior to analysis. Richard C. Johnson, Ph.D. November 12, 1997 NOV 1 7 ;I_ABORATORIES Page 1 Total Petroleum Hydrocarbons I SOILS ENGINEERING Date Reported: 11/14/97 4700 DISTRICT BOULEVARD Date Received: 10/29/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-11657-1 i Attn: BOB BECKER 805-831-5100 Sample Description: C&CT5426 (PROJECT %8308) SAMPLED BY RJB i Sample ID: N1/4W-2 Sampling Date/Time: 10/29/97 ~ 10:35AM I Method Constituents Sample Results Units P.Q.L. Method Total Recoverable Petroleum I Hydrocarbons 1900. mg/kg 400. EPA-418.1 I Note: PQL's were raised due to high concentration of target analytes requiring sample dilution. ".:~ California D.O.H.S. Cert. ~1186 ! Stuart G. Buttram I D epartment Supervisor ~. ., . ! esults listed In this repo. ars for t~ exclusive use ~ the subml~lng pa.y. BC ~boratodes, Inc. assumes no responsibility for repo. alteration, se~ratlon, de.chant or third pa~y interpret~lon. 4100 Atlas Ct.. Bakersfield, CA 93308 · (805) 327-4911 · MX (805) 327-1918 ILABORATORIES Total Petroleum Hydrocarbons Page 1 I SOILS ENGINEERING Date Reported: 11/14/97 4700 DISTRICT BOULEVARD Date Received: 10/29/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-11657-2 IAttn: BOB BECKER 805-831-5100 Sample Description: C&CT5426 (PROJECT ~8308) SAMPLED BY RJB I Sample ID: N1/4E- 2 Sampling Date/Time: 10/29/97 ® 10:40AM IMethod Constituents SamDle Results Units P.Q.L. Method Total Recoverable Petroleum IHydrocarbons 4800. mg/kg 1000. EPA-418.1 I Note: PQL's were raised due to high concentration of target analytes requiring i sample dilution. California D.O.H.S. Cert. ~1186 I I Stuart G. Buttram ~" Department Supervisor iesults listed in this report are for the exclusive use of the submitting party. BC Laboratories, Inc. assumes no responsibility for report alteration, separation, detachment or third party interpretation. 4100 Atlas Ct.. Bakersfield, CA 93308 · (805) 327-4911 . FAX (805) 327-1918 LABORATORIES Page 1 Total Petroleum Hydrocarbons I SOILS ENGINEERING Date Reported: 11/14/97 4700 DISTRICT BOULEVARD Date Received: 10/29/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-11657-4 IAttn: BOB BECKER 805-831-5100 Sample Description: C&CT5426 (PROJECT %8308) SAMPLED BY RJB I Sample ID: N1/2E-2 Sampling Date/Time: 10/29/97 ® 10:50AM IMethod Constituents Sample Results Units P.Q.L. Method Total Recoverable Petroleum IHydrocarbons 1300. mg/kg 200. EPA-418.1 I Note: PQL's were raised due to high congegtration of target analytes requiring sample dilution. ..' ..... California D.O.H.S. Cert. ~1186 Stuart G. Butt~am [ I Department Supervisor lsults listed in this repoK are for the exclusive uss ~ the submiffing paR. BC ~borstories, Inc. assumes'no responsibility for repoK slter~ion, se~ratlon, de~chment or third PaR interpret~l~. 4100 Atlas Ct.. Bakersfield, CA 93308 · (805) 327-4911 . FAX (805) 327-1918 ILABORATORIES Total Petroleum Hydrocarbons Page 1 BAKERSFIELD, CA 93313 Laboratory No.: 97-11657-5 i Attn: BOB BECKER 805-831-5100 w Sample Description: C&CT5426 (PROJECT ~8308) - SAMPLED BY RJB · Sample ID: S1/2W-2 I Sampling Date/Time: 10/29/97 ~ 10:55AM · Method B Constituents Sample Results Units P.Q.L. Method Total Recoverable Petroleum I Hydrocarbons 1300. mg/kg 200. EPA-418.1 Note: PQL s were raised due to high concentration of target analytes requiring i Stuart G. Buttram . Department Supervisor lsults listed in this report are for the exclusive use of the submitting party. BC Laboratories, Inc. assumes no responsibility for report alteration, separation, detachment or third party interpretation. 4100 Atlas Ct. · Bakersfield, CA 93308 · (805) 327-4911 · FAX (805) 327-1918 LABORATORIES Page 1 Total Petrole%un Hydrocarbons I ENGINEERING Date Reported: 11/14/97 SOILS 4700 DISTRICT BOULEVARD Date Received: 10/29/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-11657-6 IAttn: BOB BECKER 805-831-5100 Sample Description: C&CT5426 (PROJECT %8308) SAMPLED BY RJB I Sample ID: S1/2E-2 Sampling Date/Time: 10/29/97 ~ ll:00AM IMethod Constituents Sample Results Units P.Q.L. Method Total Recoverable Petrole%un mHydrocarbons 1200. mg/kg 200. EPA-418.1 Note: PQL's were raised due to high concentration of target ~alytes rec~iring California D.O.H.S. Cert. ~1186 '' ! Stuart G. Buttram {) X Department Supervisor Iresults listed in this report are for the exclusive uae of the submitling parly. BC Laboratories, Inc. assumes no responsibility for report alteration, separation, detachment or third party interpretation. 4100 Atlas Ct.. Bakersfield, CA 93308 · (805) 327-4911 . FAX (805) 327-1918 LABORATORIES Page 1 Total Petroleum Hydrocarbons I SOILS ENGINEERING Date Reported: 11/14/97 4700 DISTRICT BOULEVD~RD Date Received: 10/29/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-11657-7 IAttn: BOB BECKER 805-831-5100 Sample Description: C&CT5426 (PROJECT ~8308) SD/~PLED BY RJB I Sample ID: S1/4W-2 Sampling Date/Time: 10/29/97 ~ ll:05Abl IMethod Constituents Sample Results Units P.Q.L. Method Total Recoverable Petroleum IHydrocarbons 1700. mg/kg 200. EPA-418.1 ! Note: PQL's were raised due to high concentration of .target analytes requiring sample dilution. ~ ' ~'~ California D.O.H.S. Cert. ~1186 ! I Stuart G. Buttr~am * x.~ Department Supervisor . laaults listed in this report are for the exclusive use of the submitting party. BC Laboratories, Inc. assumes no responsibility for report alteration, separation, detachment or third party interpretation. 4100 Atlas Ct.. Bakersfield, CA 93308 . (805) 327-4911 · FAX (805) 327-1918 ABORATORIES Page 1 Total Petroleum Hydrocarbons I SOILS ENGINEERING Date Reported: 11/14/97 4700 DISTRICT BOULEVARD Date Received: 10/29/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-11657-8 IAttn: BOB BECKER 805-831-5100 Sample Description: C&CT5426 (PROJECT %8308) SAMPLED BY RJB I Sample ID: Sl/4E-2 Sampling Date/Time: 10/29/97 @ ll:10AM IMethod Constituents Sample Results Units P.Q.L. Method Total Recoverable Petroleum IHydrocarbons 1400. mg/kg 400. EPA-418.1 I Note: PQL's were raised due to high concentration of target analytes requiring sample dilution """ 'i · California D.O.H.S. Cert. ~1186 Stuart G. Bu tr~~~ ' I Department Supervisor . Isulta listed in this report are for the exclusive use of the submitting party. BC Laboratories, Inc. assumes no responsibility for report alteration, separation, detachment or third party interpretation. 4100 Atlas Ct. · Bakersfield, CA 93308 · (805) 327-4911 . FAX (805) 327-1918 SOILS ENGINEERING Date Reported: 11-03-97 2700 DISTRICT BOULEVARD Date Received: 10-29-97 BAKERSFIELD, CA 93313 Laboratory No.: 97-11657-1 Attn.: BOB BECKER 805-831-5100 BACTERIOLOGICAL WATER ANALYSIS SamDle Description C&CT5426 (PROJECT ~8308) SAMPLED BY RJB System Number: Sample Site: Temperature: NO TEMP. TAKEN IDate/Time Sample Collected: 10/29/97 ® 10:35AM Date/Time Sample Received at L~b: 10/29/97 ® 12:05PM Date Analysis Completed: 10/31/97 Constituent CFU / ml :~ IHeterotrophic Plate Count 269000000 Note: Results based on 20 grams of samPle'<added to 2~0 mls ster'ile dei°nized water. LABORATORIES, INC. B C Department: SuperviSOr· 4100 Atlas Ct.. Bakersfield, CA 93308 · (805)327-4911 . FAX (805)327-1918 LABORATORIES ISOILS ENGINEERING Date Reported: 11-03-97 4700 DISTRICT BOULEVARD Date Received: 10-29-97 BAKERSFIELD, CA 93313 Laboratory No.: 97-11657-2 I AZn.: BOB BECKER 805-831-5100 I BACTERIOLOGICAL SOIL ANALYSIS Sample Description I C&CT5426 (PROJECT #8308) SAMPLED BY RJB System Number: Sample Site: I Temperature: NO TEMP. TAKEN IDate/Time Sample Collected: 10/29/97 @ 10:40AM Date/Time Sample Received at Lab: 10/29/97 ~ 12:05PM DaZe Analysis Completed: 10/31/97 Constituent CFU / ml I Heterotrophic Plate Count 75500000 I Note: Results based on 20 grams of sample~iadded to 200 mls sterile deionized water. Department Supervisor .' I " ~lssulta listed in this report sro for the exclusive use of the submitling party. Bt Laboratories, Inc. essumes no responsibility for report elteretion, separation, detachment or third pad,/interpretation. 4100 Atlas Ct. · Bakersfield, CA 93308 · (805) 327-4911 . FAX (805) 327-1918 LABORATORIES SOILS ENGINEERING Date Reported: 11-03-97 4700 DISTRICT BOULEVARD Date Received: 10-29-97 BAKERSFIELD, CA 93313 Laboratory No.: 97-11657-3 Attn.: BOB BECKER 805-831-5100 BACTERIOLOGICAL SOIL ANALYSIS Sample Description C&CT5426 (PROJECT ~8308) SAMPLED BY RJB System Number: Sample Site: Temperature: NO TEMP. TAKEN Date/Time Sample Collected: 10/29/97 ~ 10:45AM Date/Time Sample Received at Lab: 10/29/97 @ 12:05PM ~ Date Analysis Completed: 10/31/97 Constituent CFU / ml Heterotrophic Plate Count 44100000 ! Note: Results based on 20 grams of s~.ample~added to '200 mls sterile deionized water. Department Supervi sot · lesulta listed in this report are for the exclusive use of the submitting party. BC Laboratories, Inc. assumes no responsibility for report alteration, seperstlon, detachment or third party interpretation. 4100 Atlas Ct.. Bakersfield, CA 93308 · (805) 327-4911 . FAX (805) 327-1918 LABORATORIES I SOILS ENGINEERING Date Reported: 11-03-97 4700 DISTRICT BOULEVARD Date Received: 10-29-97 BAKERSFIELD, CA 93313 Laboratory No.: 97-11657-4 Attn.: BOB BECKER 805-831-5100 BACTERIOLOGICAL SOIL ANALYSIS Sample Description C&CT5426 (PROJECT ~8308) - SAMPLED BY RJB System Number: Sample Site: Temperature: NO TEMP. TAKEN Date/Time Sample Collected: 10/29/97 ® 10:50AM Date/Time Sample Received at Lab: 10/29/97 @ 12:05PM Date Analysis Completed: 10/31/97 Constituent CFU / ml Heterotrophic Plate Count 48400000 ! Note: Results based on 20 grams of sample.added to 200 mls sterile deionized water. Department Supervisor I ' · lsulta listed In this report ara for the exclusive use of the submitting party. BC Laboratories, Inc. assumes no responsibility for report alteration, separation, detachment or third party interpretation. 4100 Atlas Ct. o Bakersfield, CA 93308 · (805) 327-4911 . FAX (805) 327-1918 lIES SOILS ENGINEERING Date Reported: 11-03-97 4700 DISTRICT BOULEVARD Date Received: 10-29-97 BAKERSFIELD, CA 93313 Laboratory No.: 97-11657-5 Attn.: BOB BECKER 805-831-5100 BACTERIOLOGICAL SOIL ANALYSIS Sample Description C&CT5426' (PROJECT ~8308) SAMPLED BY RJB System Number: Sample Site: Temperature: NO TEMP. TAKEN Date/Time Sample Collected: 10/29/97 @ 10:55AM Date/Time Sample Received at Lab: 10/29/97 @ 12:05PM Date Analysis Completed: 10/31/97 Constituent CFU / ml Heterotrophic Plate Count 65500000 ! Note: Results based on 20 grams of s'amPle~ :added to 200 mls sterile deionized water. B C LABORATORIES, INC. Depar tme~r~ ~u~r~i sot ' lsults listed in this report ars for the exclusive use of Ihs submitting party. BC Laboratories, Inc. assumes no responsibility for report alteration, seperatlon, detachment or third party interpretation. 4100 Atlas Ct.. Bakersfield, CA 93308 · (805) 327-4911 . FAX (805) 327-1918 LABORATORIES ISOILS ENGINEERING Date Reported: 11-03-97 4700 DISTRICT BOULEVARD Date Received: 10-29-97 BAKERSFIELD, CA 93313 Laboratory No.: 97-11657-6 I Attn.: BOB BECKER 805-831-5100 I BACTERIOLOGICAL SOIL ANALYSIS Sample Description I C&CT5426 (PROJECT ~8308) SAMPLED BY RJB System Number: Sample Site: I Temperature: NO TEMP. TAKEN IDate/Time Sample Collected: 10/29/97 @ ll:00AM Date/Time Sample Received at Lab: 10/29/97 @ 12:05PM Date Analysis Completed: 10/31/97 ! I Constituent CFU / ml I Heterotrophic Plate Count 54100000 ! Note: Results based on 20 grams of s~!e"-'added to .200 mls sterile deionized water. B C LABORATORIES, INC. "" Department Supervisor .' ,' lsults listed in this report ars for the exclusive use of the submitting party. BC Laboratories, Inc. essumes no responsibility for report alteration, seperation, detachment or third party interpretation. 4100 Atlas Ct. · Bakersfield, CA 93308 · (805) 327-4911 . FAX (805) 327-1918 I_ABORATORIES SOILS ENGINEERING Date Reported: 11-03-97 ~700 DISTRICT BOULEVARD Date Received: 10-29-97 BAKERSFIELD, CA 93313 Laboratory No.: 97-11657-7 I Attn.: BOB BECKER 805-831-5100 I BACTERIOLOGICAL SOIL ANALYSIS Sample Description I C&CT5426 (PROJECT #8308) SAMPLED BY RJB System Number: Sample Site: I Temperature: NO TEMP. TAKEN Date/Time Sample Collected: 10/29/97 @ ll:05AM Date/Time Sample Received at Lab: 10/29/97 ® 12:05PM Date Analysis Completed: 10/31/97 Constituent CFU / ml Heterotrophic Plate Count 62700000 I Note: Results based on 20 grams of samPle added t°'200 mls sterile deionlzed water. B C LABOP~ATORIES, INC. , Department Supervisor lesulte listed in this report ere for the exclusive use of the submitting party. BC Laboratories, Inc. assumes no responsibility for report alteration, seperation, detachment or third party Interpretation. 4100 Atlas Ct.. Bakersfield, CA 93308 . (805) 327-491i . FAX (805) 327-1918 LABORATORIES ISOILS ENGINEERING Date Reported: 11-03-97 4700 DISTRICT BOULEVARD Date Received: 10-29-97 BAKERSFIELD, CA 93313 Laboratory No.: 97-11657-8 I Attn.: BOB BECKER 805-831-5100 I BACTERIOLOGICAL SOIL ANALYSIS Sample Description I C&CT5426 (PROJECT ~8308) SAMPLED B~ RJB System Number: Sample Site: I Temperature: NO TEMP. TAKEN IDate/Time Sample Collected: 10/29/97 ~ ll:10AM Date/Time Sample Received at Lab: 10/29/97 ~ 12:05PM Date Analysis Completed: 10/31/97 I Constituent CFU / ml I Heterotrophic Plate Count 57000000 ! I Note: Results based on 20 grams of s~ie. added to 200 mis sterile dei°nized water. B C LABORATORIES, INC. Department Supervigor · lesults listed In this report are for the exclusive use of the submitting psrty. BC laboratories, Inc. sssumes no responsibility for report alteration, seperatlon, datschment or third party interpretation. 4100 Atlas Ct.. Bakersfield, CA 93308 · (805) 327-4911 . FAX (805) 327-1918 Page 1 I_ABORATORIES CHEMICAL ANALYSIS ISOILS ENGINEERING Date Reported: 11/14/97 4700 DISTRICT BOULEVARD Date Received: 10/29/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-11657-1 Attn: BOB BECKER 805-831-5100 I Sample Description: C&CT5426 (PROJECT ~8308) - SAMPLED BY RJB Sample ID: Nl/4W-2 ISampling Date/Time: 10/29/97 ® 10:35AM Method Iconstituents Sample Results Units P.Q.L. Method Total Phosphorus 570. mg/kg 80. 365.4 1 I P.Q.L. = Practical Quantitation Limit (re~ers to the least amount of analyte quantifiable based on sample size used and analytical technique employed). I Dan Schultz ILaboratory Director · lsults listed in this report are for the exclusive uae of the submitting party. BC Laboratories, Inc. assumes no responsibility for report alteration, eeperetion, detachment or third party interpretation. 4100 Atlas Ct. · Bakersfield, CA 93308 . (805) 327-4911 · FAX (805) 327-1918 ,ABORATORIES Page 1 CHEMICAL ANALYSIS ISOILS ENGINEERING Date Reported: 11/14/97 4700 DISTRICT BOULEVARD Date Received: 10/29/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-11657-4 IAttn: BOB BECKER 805-831-5100 Sample Description: C&CT5426 (PROJECT ~8308) SAMPLED BY RJB ISam~le ID: N1/2E-2 Sampling Date/Time: 10/29/97 ~ 10:50AM IMethod Constituents Sample Results Units P.Q.L. Method Total Phosphorus 495. mg/kg 40. 365.4 I -I P.Q.L. = Practical Quantitation Limit (refers to the least amount of analyte i quantifiable based on sample size used and analytical technique employed). Dan Schultz~~ Laboratory Director Isults listed in this reporl are, for the excluelve use of the submitting party. BC Laboratories, Inc. essumes no responsibility for report alteration, seperatlon, detachment or third party interpretation. 4100 Atlas Ct. · Bakersfiold, GA 03308 . (805) 327-4011 . FAX (805) 327-1018 LABORATORIES Page 1 CHEMICAL ANALYSIS I SOILS ENGINEERING Date Reported: 11/14/97 4700 DISTRICT BOULEVARD Date Received: 10/29/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-11657-5 IAttn: BOB BECKER 805-831-5100 Sample Description: C&CT5426 (PROJECT ~8308) SAMPLED BY RJB ISample ID: N1/2W-2 Sampling Date/Time: 10/29/97 ~ 10:55AM IMethod Constituents Sample Results Units P .Q.L. Method Total Phosphorus 450. mg/kg 40. 365.4 ! I P.Q.L. = Practical Quantitation Limit (refers to the least amount of analyte I quantifiable based on sample size used and analytical technique employed). IDan Schultz · Laboratory Director ~- ,~ lsults listed in this report are for the. exclusive use of the submitting party. BC Laboratories, Inc. assumes no responsibility for report alteration, seperatlon, detachment or third party interpretation. 4100 Atlas Ct.. Bakersfield, CA 93308 o (805) 327-4911 . FAX (805) 327-1918 LABORATORIES Page 1 CHEMICAL ANALYSIS I SOILS ENGINEERING Date Reported: 11/14/97 4700 DISTRICT BOULEVARD Date Received: 10/29/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-11657-8 IAttn: BOB BECKER 805-831-5100 Sample Description: C&CT5426 (PROJECT ~8308) SAMPLED BY RJB ISample ID: S1/4E-2 Sampling Date/Time: 10/29/97 ~ ll:10AM IMethod Constituents Sample Results Units P.Q.L. Method Total Phosphorus 589. mg/kg 40. 365.4 I I P.Q.L. = Practical Quantitation Limit (refers to the least amount of analyte I quantifiable based on sample size used and analytical technique employed). IDan Schultz , Laboratory Director '~ ' lsults listed in this report are for the exclusive use of the submitting party. BC Laboratories, Inc. essumes no responsibility for report alteration, ssperstlon, detachment or third party interpretation. 4100Atlas Ct.. Bakersfield, CA93308 · (805)327-4911 . FAX (805)327-1918 Page LABORATORIES CHEMICAL ANALYSIS ISOILS ENGINEERING Date Reported: 11/14/97 4700. DISTRICT BOLTLEVD~RD Date Received: 10/29/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-11657-1 Attn: BOB BECKER 805-831-5100 I Sample Description: C&CT5426 (PROJECT #8308) SA~IPLED BY RJB Sample ID: N1/4W-2 ISampling Date/Time: 10/29/97 ~ 10:35AM Method IConstituents Sample Results Units P.Q.L. Method Total Nitrogen * None Detected % 0.05 AOAC-972.43 ! P.Q.L. = Practical Quantitation Limit (refers to the least amount of analyte quantifiable based on sa.rr~le size used ~_nd ~3alytical technique employed). REFERENCEs: AOAC = "Official Methods' of the Association of Official ~J~l. alytical Chemists" Note: Excess moisture was expelled by drying prior .to. ~alysi.s.. Flag Explanations: * = Sample analyzed by Desert Analytics Dan Schultz ':.' .. Laboratory Director ~. ,, · lesulte listed In this repo~ ere for the exclusive use of the eubrni~ng party. BC Laboratories, Inc. assumes no responsibility for report elteration, seperstion detechrnent or third perry interpreter on. 4100 Atlas Ct. · Bakersfield, CA 93308. (805)327-4911 . FAX (805)327-1918 I SOILSENGINEERING, INC. I I I I Appendix B ! Soil Compaction Report 1 1 1 I 1 I I 1 1 I 1 I I SOILS ENGINEERING, INC. I September 10, 1997 File No. 97-8308 1 I Castle & Cooke California, Inc. P. O. Box 11165 Bakersfield, CA 93389 I Attention: Tak Fujii I Subject: Compaction test results for Remedial Action for Tract 5426 I Gentlemen: I Submitted herewith are the results of 135 relative compaction tests taken at the subject site on July 22 - September 5, 1997. I Density tests were taken in accordance with ASTM Test Method D2922 (Nuclear Gauge Method). Maximum Density - Optimum Moisture determinations were made in accordance with ASTM D 1557- 78, Method A. In-Place Density - Relative Compaction Tests and Maximum Density ' Optimum I Moisture test results are shown in Tables 1 and 2, respectively. · The test results reported herein are applicable only for the specified sites investigated. No warranties, i either express or implied are made for other areas not specifically tested. No recommendations or conclusions have been made pertaining to subsurface conditions below the reported test depths or adequacy of the site to receive structures.or pavements. I We hope this provides the information you require. If'you should have any questions or need further i assistance, please contact us. Respectfully submitted, 39549, Expires 12/31/97 Attachments (6) I cc: Martin-Mclntosh, Roger Mclntosh 4700 DISTRICT BLVD. ' BAKERSFIELD, CALIFORNIA 93313 * PHONE (805) 831-5100 ' FAX: (805) 831-2111 SOILS ENGINEERING, INC. L& Cooke California, Inc. FEe No. 97-8308 R emediaL4 ction for S eplemb~. 10, 1997 5426 Page ~o. 1 TABLE 1 I IN-PLACE DENSITY - RELATIVE COMPACTION i ASTM TEST METHOD D2922 Moisture In-Place Maximum sT~ist Date Depth Below Content Density Density Relative Specified Retested 1997 Location Fin Sub,fade % of dry wt. lbs/cu.ft. Ibs/cu.ft. ~ Compaction By Test Former Canal Backfill i Bioeell 1 I 7/22 No. End 10.0-11.0' 6.0% 95.8 127.4 75% 80% IA IA 7~22 Rete~ of i 10.0'-11.0' 15.6% 106.4 127.4 84% 80% I 7/23 No. End 9.0'-10.0' 13.5% 106.9 115.5 93% 90% 3 7/23 Middle of No. End 9.0'-10.0' 6.8% 110.8 1 ! 5.5 96% 90% I 7/23 Middle 9.0'- I0.0' 6.1P,4 109.7 115.5 95% 90% ~ 7/23 No. End 7.0'-8.0' 8.4% 107.6 115.5 93% 90% 7/23 Mi&fie 7.0'-8.0' 9.5% 113.1 1 ! 5.5 98% 90% 7~3 Mi&fie of SO. End 7.0'-8.0' 12.3% 98.6 115.5 85% 90% 7A 7/23 Retest of 7 7.0'-8.0' 8.6% 109.0 I 15.5 95% 90% 7/24 Middle of No. End 4.0'-5.0' 11.5% 104.9 115.5 91% 90% 9 7/24 Middle 4.0'-5.0' 13.8% 108.9 115.5 94% 90% lI 7/24 So. End 4.0'-5.0' 9.7% 113.0 115.5 98% 90% Excavation backfill iI m7 NE Boom 19.0'-20.0' 4.5% 114.7 118.6 97¥0 90% 2· 8/27 SE Bosom 19.0'-20.0' 3.1% 113.5 118.6 96% 90% 8/27 SW Boaom 19.0'-20.0' 7.4% 109.3 118.6 92% 90% 8/27 NW Bottom 19.0'-20.0' 5.8% i I 1.4 ! 18.6 94% 90% .5 8~7 ' NE Slope 19.0'-20.0' 6.1% 108.7 118.6 92% 90% I 61 8/27 w Slope 19.0,-20.0, 6.1% 100.5 118.6 85% 90% 6A 6A 8f27 Retest of 6 19.0'-20.0' 9.0% 108.5 118.6 92% 90% 71 8/27 SE Comer 18.0'-19.0' 6.6% 116.6 118.6 98% 90% I 8 8/27 SE Middle 18.0'-19.0' 10.4% 111.2 118.6 94% 90% 8/27 W Middle 18.0'- 19.0' 10.2% 112.0 118.6 94% 90% 8/27 W Slope Middle 18.0'- 19.0' 7.0% 111.9 118.6 94% 90% 8/27 NW Comer 18.0'-19.0' 8.3% 109.9 118.6 93% 90% 8/27 E Slope No Corner 18.0'-19.0' 10.9% 108.4 118.6 91% 90% 8/28 NE Comer 17.0'-18.0' 10.0% 106.0 118.6 90% 90% L & Cooke California, Inc. F'd~ IVo. 978308 R emediat A ction for September 10, 1997 Ict 5426 Page No. 2 TABLE 1 I IN-PLACE DENSITY - RELATIVE COMPACTION i ASTM TEST METHOD D2922 Moisture In-Place Maximum . t Date Depth Below Content Density Density Relative Specified Retested 1997 Location Fin Subl[rad¢ % of dry wt. Ibs/cu.ft. Ibs/cu.ft. Compaction Comoactign By Test Excavatio~ backfill I 8/28 NW Comer 17.0'- 18.0' 13.4% 102.1 118.6 86% 90% 14A 8/28 W Middle 17.0'-18.0' 11.6% 103.7 118.6 88% 90% 1SA iii 8/28 W Slope Middle 16.0'-17.0' 7.4% 112.7 118.6 95% 90% 8/28 So Middle 17.0'- 18.0' 12.9% 102.1 118.6 86% 90% 17A 18 8/28 E. Slope So. 16.0'-17.0' 8.5% 106.4 118.6 90% 90% l~ 8/28 Retest of 14 17.0'-18.0' 8.1% 109.1 118.6 92% 90% I 15A 8/28 Retest of 15 17.0'- 18.0' 7.2% 110.0 118.6 93% 9094 ltl~ 8/28 Retest of 17 17.0'-18.0' 7.2% 109.8 118.6 93% 90% 8/28 W Slope lVfiddle 15.0'- 16.0' 5.8% 111.0 118.6 94% 9094 i 8/28 E Slope No 15.0'-16.0' 6.5% 111.4 118.6 94% 90% 8/28 HE Comer Bottom 16.0'-17.0' 7.5% 113.2 118.6 95% 90% ' 22 8/28 SE Comer Bottom 16.0'-17.0' 7.5% 111.8 118.6 94% 90% I 8/28 SW Comer Bottom 16.0'-17.0' 5.6% 116.0 118.6 98% 90% 24 8/28 NW Comer Bottom 16.0'-17.0' 4.6% 113.2 118.6 96% 90% 8/28 SW Comer 15.0'- 16.0' 4.2% 113.5 123.0 92% 90% 8/28 So Middle 15.0'-16.0' 7.2% 110.5 123.0 90°,4 90% 8/28 SOEnd 15.0'-16.0' 8.7% 105.6 123.0 86% 90% 27A 8/28 NW Middle 15.0'- 16.0' 7.1% 110.0 123.0 90% 90°$ 29 8/28 HE Comer 15.0'- ! 6.0' 5.4%' 110.6 123.0 90% 90°,$ 31 8/28 NE Slope 15.0'-16.0' 6.8% 108.2 123.0 88% 90% , 30A 27A 8/28 Retest of 27 15.0'-16.0' 6.9% 111.0 123.0 91% ~, o 31 8/28 Retest of 30 15.0'-16.0' 6.6% 112.5 123.0 92% 90% 8/28 E Slope Middle 13.0'-14.0' 7.2% 113.2 123.0 92% 90% 8/28 No End 14.0'-15.0' 6.4% 110.6 123.0 90% 90°/0 31 8/28 NW Comer 13.0'- 14.0' 8.6% 109.8 123.0 90% 90% 8/28 W Slope No. 13.0'-14.0' 7.4% 113.1 123.0 92% 90% 36 8/29 W Middle 13.0'-14.0' 8.4% 110.3 123.0 90% 90% ! SOILS ENGINEERING, INC. L & Cooke California, Inc. F'd~ No. 97-8308 Rem edial A ctlon for September 10, 1997 t ct 5426 Page No. 3 I TABLE 1 IN-PLACE DENSITY - RELATIVE COMPACTION IASTM TEST METHOD D2922 Moisture In-Place Maximum tt Date Depth Below Content Density Density Relative Specified Retested 1997 Location Fin Suberade % of dry wt. Ibs/cu.ft. Ibs/cu.ft. Comoactlon Compaction By Test Excavation backfill I 8/29 Middle 12.0'-13.0' 8.8% 112.4 123.0 91% 90°/$ 8/29 W Slope Middle 10.0'-11.0' 7.5% 111.6 123.0 91% 90% i 8/29 SW 12.0'-13.0' 6.1% 110.4 123.0 90% 90% 8/29 SE Middle 12.0'- 13.0' 8.2% 110.0 123.0 90% 90°/$,6 41 8/29 · W Slope So 10.0'-11.0' 8.1% 110.5 123.0 90°/$ 90°/$ I 8/29 W Slope No 12.0'-13.0' 7.9°/$ 112.5 123.0 91% 90% 43 8/29 W Slope No 11.0'-12.0' 8.3% 110.8 123.0 90°/$ 90°/$ l 8/29 N'W Comer Bottom 11.0'-12.0' 8.3% 110.5 123.0 90% 90°/$ 8/29 SW Comer Bottom 11.0'- 12.0' 8.7% 110.8 123.0 90°/$ 90°/$ I 8/29 Middle 11.0'- 12.0' 8.8% 111.0 123.0 90% 90% 8/29 E Slope Middle 11.0'- i 2.0' 8.8% 111.6 123.0 91% 90°/$ 48 8/29 SE Comer 11.0'-12.0' 7.1% 110.3 . 123.0 90°/$ 90°/$ I 8/29 NW Slope 9.0'- 10.0' 6.3% I 11.4 123.0 91% 90% 50 8/29 W End 10.0'-11.0' 5.9°/$ 110.5 123.0 90% 90% 5~1 8/29 W Middle 10.0'-I 1.0' 5.8% 112.7 123.0 92% 90°/$ 8/29 So Middle 10.0'-11.0' 6.0% 111.3 123.0 91% 90% 5~ 8/29 EMiddle 10.0'-I 1.0' 5.9°/$ 112.6 123.0 92% 90°/$ 8/29 NE Slope 10.0'-, 1.0' 7.5% 110.9 123.0 90°/$ 90°/$ 5~ll 9/2 WSlopeNo 9.0'-10.0' 3.6% 112.7 123.0 92% 90% 9/2 So Slope 9.0'- l 0.0' 3.9°/$ 113. l 123.0 92% 90°/$ 57 9/2 E Slope So 9.0'-10.0' 5.0% 110.6 123.0 90% 90% 1 51 9/2 E Slope Middle 9.0'-10.0' 8.6% 110.5 123.0 90% 90°/$ 59 9/2 NE Comer 9.0'- 10.0' 7.2%0 110.4 123.0 90% 90°/$ 61 9/2 NoMiddle 9.0'-10.0' 5.0% 112.5 123.0 91% 90°/$ 9/2 W Slope Middle 8.0'-9.0' 7.1% 111.2 123.0 90°/$ 90°/$ 6ill 9/2 NoMiddle 8.0'-9.0' 7.2% 113.3 123.0 92% 90% 61 9/2 Middle 8.0'-9.0' 7.0% 11 I. 1 123.0 90°/$ 90% 64 9/2 SE Bottom 8.0'-9.0' 8.2% 110.5 123.0 90% 90°/$ 1 SOILS ENGINEERING, INC. tie & Cooke Cah'fornia, Inc. F'de No. 97-8308 Rem edial A ction for September 10, 1997 ct 5426 Pa~e No. 4 I TABLE 1 IN-PLACE DENSITY - RELATIVE COMPACTION iASTM TEST METHOD D2922 Moisture In-Place Maximum .t Date Depth Below Content Density Density Relative Specified Retested 1997 Location Fin Sub~rade % ofdrywt. Ibs/cu.ft. Ibs/cu.ft. Compaction Compaction Bv Test Excavation backfl]! I 9/2 So Middle 8.0'-9.0' 8.6% 111.5 123.0 91% 90% 9/2 E Slope 8.0'-9.0' 8.4% 110.3 123.0 90°,4 90°,4 i 9/2 W Slope So 7.0'-8.0' 9.6% 111.4 123.0 91% 90°,4 9/2 SW Bottom 7.0'-8.0' 7.5% 110.6 123.0 90°,4 90% 69 9/2 NW Bottom 7.0'-8.0' 6.7% 113.0 123.0 92% 90°,4 I 9/2 NE Bottom 7.0'-8.0' 8.5% 112.0 123.0 91% 71 9/2 SE Bottom 7.0'-8.0' 10.7% 110.3 123.0 90°,4 90°,4 I 9/2 E Slope Middle 7.0'-8.0' 9.5% 110.7 ! 23.0 90°,4 90% 9/2 W Slope No 6.0'-7.0' 5.4% 114.3 123.0 93% 90°,4 I 9/2 No End Middle 6.0'-7.0' 6.0°,4 112.8 123.0 92% 90°,4 9/2 Middle 6.0'-7.0' 6.9°,4 1 ! 2.1 123.0 91% 90°,4 76 9/3 SE Middle 6.0'-7.0' 7.5% 114.7 123.0 93% 90°,4 I 9/3 . E Slope Middle 6.0'-7.0' 6.9°,4 113.5 123.0 92% 90°,4 78 9/3 NE Comer 6.0'-7.0' 6.1% 114.9 123.0 93% 90°,4 .~ 9/3 NE Bottom 5.0'-6.0' 4.3% 116.1 123.0 94% 90°,4 9/3 No Middle 5.0'-6.0' 7.4% 112.0 123.0 91% 90°,4 I 9/3 NW Middle 5.0'-6.0' 6.1% 113.1 123.0 92% 90°4 9/3 W Middle 5.0'-6.0' 6.2% 110.4 123.0 90°,,6 90°,4 ~lll 9/3 SWBottom 5.0'-6.0' 4.8% 115.7 123.0 94% 90% 9/3 W Slope Middle 5.0'~5.0' 5.4% 114.0 123.0 93% 90°,4 35 93 W Slope No 4.0'-5.0' 5.6% 113.0 123.0 92% 90°,4 ~l 9/3 ~ Comer Bottom 4.0'-5.0' 4.9% 110.4 123.0 ~7 9/3 NE Bottom 4.0'-5.0' 6.6% 112.9 123.0 92% 90% ~ 9/3 SEMiddle 4.0'-5.0' 7.1% 108.0 118.6 91% 90°,4 ~1 9/3 E S/ope So 4.0'-5.0' 6.6% 109.1 118.6 92% 90% ~1 9/3 SEBottom 4.0'-5.0' 7.2% 110.3 '123.0 900,4 900,4 9/3 W Slope No 3.0'-4.0' 5.0% 114.8 123.0 93% 90°/0 12 9/3 W Bottom Middle 3.0'-4.0' 7.6% 110.1 ! 23.0 90°/0 90°/0 lstle & Cooke California, Inc. File No. 97-8308 Remedial Am'on for September 10, 1997 l act 5426 Page No. 5 I TABLE 1 IN-PLACE DENSITY - RELATIVE COMPACTION IASTM TEST METHOD D2922 Moisture In-Place Maximum .t Date Depth Below Content Density Density Relative Specified Retested 1997 Location Fin Subttrade % of dry wt. lbs/cu.ft. Ibs/cu.ft. Compaction Compaction BY Test Exeavatio~ backfill I 9/3 No Bottom Middle 3.0'-4.0' 7.1% 112.4 123.0 91% 90% 9/3 So Bottom East 3.0'-4.0' 7.2% i 12.4 123.0 91% 90% i 9/3 So Bottom Middle 3.0'-4.0' 7.8% 110.5 123.0 90% 900,4. 9/3 E Slope No 3.0'-4.0' 8.4% 107.6 118.6 90% 90% 97 9/4 NW Bottom 2.0'-3.0' 4.5% 112.4 123.0 91% 90% I 9/4 Middle So 2.0'-3.0' 6.1% 111.1 123.0 90% 9(PA 99 9/4 Cladham So Bottom 2.0'-3.0' 4.9% 112.0 123.0 91% 90% 1~ 9/4 SE Bottom 2.0'-3.0' 5.7% 107.2 118.6 90% 90% 9/4 E Slope Middle 2.0'-3.0' 4.9% 115.4 ! 23.0 94% 90% I 9/4 W Slope No 2.0'-3.0' 5.4% 114.8 123.0 93% 90% 9/5 W Slope N Comer 1.0'-2.0' 7.6% 110.5 123.0 90% 90% 104 9/5 NW Bottom 1.0'-2.0' 8.2% 108.2 . 118.6 91% 90% 1i 9/5 Cladham Middle 1.0'~2.0' 7.0% 112.3 123.0 91% 90% 106 9/5 E Bottom So 1.0'-2.0' 5.4% ! 11.2 123.0 90% 90% Il 9/5 E BottomMiddl¢ 1.0'-2.0' 6.2% 116.5 123.0 95% 90% 9/5 E Slope No 1.0'-2.0' 5.5% 115.5 ! 23.0 94% 9(Y'A ll~ 9/5 Middle Cladham 0.0'-I.0' 5.4% 119.2 123.0 97% 90% 9/5 No Cladham 0.0'-1.0' 7.6% 116.1 123.0 94% 90% t~l[ 9/5 NWLotNo 0.0'-l.0' 4.9% 112.2 123.0 91% 90% 9/5 SW Lot Middle 0.0'- 1.0' 5.8% 113.0 123.0 92% 90% 113 9/5 NE Park 0.0'-1.0' 6.2% 111.0 ! 23.0 90% 90% 1 1 9/5 SE Park 0.0'- 1.0' 6.0% 117.3 123.0 95% 90% ! 15 9/5 Elevated Pad NW Lot 0.0'- 1.0' 7.6% 112.8 123.0 92% 90% I 9/5 Elevated Pad SW LOt 0.0'- 1.0' 5.9% 111.0 123.0 90% 90% 9/5 Elevated Pad NW LOt 1.0'-2.0' 5.7% 110.3 123.0 90% 90% I I' '~. ! Ca.~l~ &Cook, Catlfornh~, Inc. F'd~ No. ~7-~$0# IRemedlalAetionfor September 10, 1997 Tra~ 5.126 i TABLE 2 MAXIMUM DENSITY - RELATIVE COMPACTION IASTM D1556-78 (METHOD A) Optimum Maximum I Sample Moisture Content Dry Density, Location Depth Soil Description % of dry, wt. ibs/cu.ft. I Canal Fill Random SILTY SAND: medium brown; 10.8% 115.5 poorly to moderately graded; very I fine to medium grained; slightly cohesive. ICanal Bottom 10.0'-11.0' SILTY SAND: medium brown; 10.5% 127.4 poorly to moderately graded; very fine to medium grained; slightly I cohesive. E Side Bottom Random SILTY SAND: yellowish brown; 8.3% ' 118.6 I non cohesive. I I I I I I I I SOILS ENGINEERING, INC. Appendix C Biotreatability Report MicrobeMaste A Division Of International 8iochemicals May 19, 1997 Soils Engineering 4700 District Blvd. Bakersfield, CA 93313 Attn: Mr. Bob Becker Re: Bio-Inhibition Test Results (Benzene Site), Case Studies, & Product Literature Bob, Thank you for your interest in utilizing our laboratory services recently and for the potential opportunity to work with you as a supplier on this or other environmental clean-up projects. As discussed, I am enclosing a hard copy of your testing results along with the product literature we ran the tests with and some reference case study information for your review as well. This package contains the following for your quick reference: A.) Bio-Inhibition Rest Results (Benzene Contamination Site) B.) Literature & MSDS Information on Micro-Pro "TPH" C.) Literature & MSDS Information on Micro-Pro "Super-Cee" D.) Case Study #3003 on Diesel Bioremediation E.) Case Study #3002 on Phenol-Based BCU Clean-Up F.) Standard Protocol for Laboratory-Scale Land Treatment Trials I trust that this is the type of information that will benefit you best for your clean-up applications, but if additional / different information would be helpful, do not hesitate to contact me via pager at 1-800-339-3718 or call our Western Regional Sales Office in Houston, TX at 1-800-876-2844. Wit~j Te~qnfic~ Sales Representative File # SEBC0$19 I 1 12200 Northwest Freeway, Suite 649*Houston, TX 77092 Bio te c h n o logy in I c rio n ® Phone: 713 683.9691.800 876-2844.Fax: 713 683-1618 I I Microbe Master - A Division Of international I~iochemicals INTERBIO I SIMULATIONS LABORATORY I ANALYTICAL RESULTS AOMMPANY NAME: Soils Engineering PROJECT NAME: C & C 5426 PLING DATE: 05/07/97 RESULTS TO: Mike Peters TE RECEIVED: 05/13/97 INVOICE TO: N/A AMPLE MATRIX: Solid (2) and Aqueous (1) DATE: 05/19/97 · 970222 B-lA-5 SPC 3.3 x E+05 cfu/mL SM 9215 A & B · BIT (MP "Super cee'') * 1.96 x E+08 cfu/mL SM 9215 A & B · BIT (MP "TPH-N") * 8.6 x E+07 cfulm'L SM 9215 A & B ~)70223 B-lA-20 SPC 2.6 x E+02 cfu/mL SM 9215 A & B · BIT (MP "Super Cee") * 1.62 x E+08 cfu/mL sM 9215 A & B BIT (MP "TPH-N") .. * 4.7 x E+07 cfu/mL SM 9215 A & B a!370224 MW-I-B SPC 3.2 x E+04 cfu/mL SM 9215 A & B _ BIT (MP "Super Cee") * 1.26 x E+08 cfu/mL SM 9215 A &. B B BIT (MP 'q'PH-N") ** 1.27 x E+07 cfulmL SM 9215 A & B IOTES: I/A = Not Applicable M = Standard Methods for the Examination of Water and Wastewater, 18th edition, 1992 i= Results after 24 hr. incubation indicate that the sample is not toxic to the inoculum used. · * = Results after 24 hr. incubation indicate that the sample is I slightly inhibitory to the inoculum used. I ANALYZED BY: James Rhubottom QA/QC Lab Manager 05/19/97 ,-,~0~No~l~w~,,~e~,o~,2S~i,e ~ .o~,,o,, ~ ~0~=" S B 060 ' Bio~echnologj~/dn/~/--Action® Phone:713683.g~gl.80087~.2844.F(~x:T]3~83.l,]8 ! ! I I_AE)ORATORII~ S, IN C. I July 10, 1997 ! BOB BECKER I SOILS ENGINEERING 4700 DISTRICT BO~EVARD B~ERSFIE~, ~ 93313 I Subject: Laborato~ Submission No.: 97-04801 S~ples Received: 05/07/97 Dear Mr. Becker: ~ I The s~ples(s) listed on the Chain of Custo~ report were received by BC Laboratories, Inc. on 05/07/97. I Enclosed please find the ~alytical data for the testing re~ested. If you have any ~estions regarding this report please contact me at (805)327-4911, ~ ext. 250. ~ ~ I ~y Mused s~ple will be stored on our premises for a minima of 30 ~ . ~ (excluding bacteriologicals) at which time they will be disposed ~lesg~therwise '~ re~ested at the time of s~ple receipt. A disposal fee of $5 per s~pl~ may I apply for solid sample matrices. Please refer to submission number 97-04801 when calli~ssi~~ ~ I Sincerely, I Che~t Fergus~n Client Se~ices I BC Laboratories, Inc. ~ ~~ ~ ~~ , I ! 4100 Atlas Ct. · Bakersfield, CA 93308 . (805) 327-4911 . ~X (805) 327-1918 · R~~eport To: ~ Analysis Requested _ ~ [ Phone: /-%/00 / Lab~ Sample Description Date & Time Sampled ~ ~ ~ I t ~~~ Name: ~ Rel~nquishe~: *Signatu re)' I Received ~i~a{ure) Date:Time: ~~- City ~~~ State ~ ~ Relinquished by: (Signature) Received by: (Signature) Date: Time: A~ention: ~ ~ ~ Relinquished by: (Signature) Received by: (Signature) Date: Time: ~~ Ti m e~~~ ~ . _ ~: Relinquished by: (Signature) ~eceived by: (Signature) Date: Time: ' "" S~~¢~~-~mr.~ P'~ ,, Y V Relinquished by: (Signature) Received by: (Signature) Date: Time: :.BC LABORATORIES INC. SAMPLE RECEIPT FORM-.ov. No.3 iti^B NUMB' BY: [~ SHIPPING SPECIFICATIONSother [] '/~ None SHIPPING CONTAINER oOther [] derail -~xpress [] UPS [] Hand Delivery, Ice Chest [] Box I-I BC Lab Field Service [] (Specify) (Specify) co. mo. I,,T, pmperature `'~ ~'~ °C I Temperature oC Temperature__.~oC Temperature~o Temperature_ °C Temperature Ice [] Blue Ice [] Non'E] Comments: lustody Seals: Ice Chest [] Containers[-] None/~' ~i, ll samples received? Yes~' No r-] All samples intact? Yesy~ No [] Description match COO? Yc~ SAMPLE coNTAINERS GENF.,RAL MINERAL/ GENERAL PHYSICAL PE UNPRESERVED INORGANIC CHEM~C.~ METAL~ ~ INORGANIC CHEMICAL METALS · CYANIDE PTNITROGEN FORMS · TOTAL SULFIDE NITRATE I NITRFFE 00mi TOTAL ORGANIC CARBON r TOX CHEMICAL OXYGEN DEMAND )0mi PHENOMCS 40mt VOA VIAL TRAVEl. _~L~.NK )mi VOA VIAL SET I3 VL4L$~ 1TB) 0.T EPA 413.1. 413.2, 418.1 ODOR ~DIOLOGICAL BACTERIOLOGiC.AL ' EPA 504 EPA 508160818080 EPA 515.118150 QT EPA 525 F EPA 525 TRAVEL _~L~.NK 10mi EPA 547 100mi EPA 531.1 r EPA 548 r EPA 549 r EPA 632 QT EPA 801 SM QAJQC AMBER OZ. JAR OZ. JAR SLEEVE VIAL BAG ! Page 1 LABORATORIES CHEMICAL ANALYSIS ISOILS ENGINEERING Date Reported: 05/30/97 4700 DISTRICT BOULEVARD Date Received: 05/07/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-04801-1 Attn: BOB BECKER 805-831-5100 I Sample Description: C&C 5426 ~8144:Bi-IA~5 SAMPLED BY RJB Sampling Date/Time: 05/07/97 ® 08:00AM ITitle 22 Waste Type: Type i: Millable Solid - No Free Liquid IMethod Constituents SamDle Results Units P.Q.L. Method Total Nitrogen *2 None Detected % 0.05 AOAC-972.43 ITotal Phosphorus * 359. mg/kg 80. EPA-365.4 Total Sulfur *2 None Detected % 0.05 AOAC-972.43 ! ! P.Q.L. = Practical Quantitation Limit (refers to the'~ileast amo~nt' of anaiyt~' quantifiable based on sample size used and ~ytical technique employed). IREFERENCES: AOAC = "Official Methods of the Association of Official Analytical Chemists" EPA = "Methods for Chemical Analysis of Water and Wastes", EPA-600, /4-79-020. Flag Expirations: * = Estimated value due to sample precls~on not W~thi~ estabf~hea values~ *2 = Sample analyzed by Desert AnalyticS'.? iLaboratory Director . Iresults listed in this repo~ are for the exclusive use ~ the submi~ng ~ BC ~boratorles, Inc. ~su~s no responslbil~ for mpo~ alter~lon, s~ratlon, de.chant or t;~lrd ~ Integrally. 4100Atlas Ct. · Bakersfield, OA 93308 . (805) 3~7-4911 o ~X (805) 327-1918 IORATORIES Page CHEMICAL ANALYSIS SOILS ENGINEERING Date Reported: 06/30/97 4700 DISTRICT BOULEVA~/D Date Received: 05/07/97 BAKERSFIELD, CA 93313 Laboratory No.: 97-04801-2 Attn: BOB BECKER 805-831-5100 Sample Description: C&C 5426 ~8144:Bi-iA-20 SAMPLED BY RJB Sampling Date/Time: 05/07/97 @ 08:lSAM Title 22 Waste Type: Type i: Millable Solid No Free Liquid Method Constituents Sample Results Units P.Q.L. Method Total Nitrogen *2 None Detected % 0.05 AOAC-972.43 Total Phosphorus * 460. mg/kg 80. EPA-365.4 Total Sulfur *2 None Detected % 0.05 AOAC-972.43 P.Q.L. = Practical Quantitation Limit (refers to the least amount of analyte · quantifiable based on sample size used and a~aiytlcal technique emplOYed). I REFERENCES: AOAC = "Official Methods of the Association of Official Analytical Chemists" i E PA = "Methods for Chemical Analysis':of Water'~and'.Wastes",-~>~PA-600, /4-79-020. Flag Explanations: . = Estimated value due to sample prec~bn not withi~n established values i * 2 = Sample analyzed by Desert J~lalytics Dan Schul~z~- ~ Laboratory Director. lesults listed in this report are for the exclusive use of the submitting party. BC Laboratories, Inc. aalumes no responsibility for report alteration, seperetlon, detachment or t.~lrd party interpretation. 4100 Atlas Ct.. Bakersfield, CA 93308 . (805) 327-4911 . FAX (805) 327-1918 DESERT ANAL YTICS Analysis for the Chemical Elements P.O. Box 41838 Tucson, Arizona 85717 Phone (520) 623-3381 Fax (520) 623-9218 Certificate of Analysis BC LABORATORIES, INC. Attn: Jean Maltby 4100 Atlas Court Bakersfield, CA 93308 Sample ID %C %H %N %S %CI %P 97-4801-1 <0.02 <0.05 -2 0.02 <0.05 NO TE: N/trogen values are correct as reported. MAY I181997 Richard C. Johnson, Ph.D. May 16, 1997 ,~,,~.-;"::.TJ',~'D ~;:~V ~' o. -~ .'"'" SOILS ENGINEERING, INC. Appendix D Non-HazardoUs Waste Manifests iFS WASTE CONTROL SERVIC, ES, Inc. -. ..... .~.,:7 '~ ~ (805) 399-4620i/ , .... I NON-HAZARDOUS WASTE DATA FORM CONTAINERS NO ' ' ~ [ TYPE ~ TRUCK ~ TRHCK ~' DRUMS ~ CARTONS ~ OTHER ' ; ' ' ' .~ ~ ~ ., ~ COMPONENTS OF WASTE PPM ~ COMPONENTS OF WASTE PPM . I 2 : 6 PROPERTIES DH ¢' ~ ~ SOLID ' D LtOUID D SLUDGE {D SLURRY D OTHER HANDLIN~INSTRUCTIONS Personal Protection~ 'ment .: THE GENERATOR CERTIFIES THAT ?'"~'~ ~' /~ ',~j THE WASTE AS DESCRIBED IS 1~% *~" ~ /' - .: -~ ,, d ' ] TYPED OR PRINTED FUL~rNAME & ~IGNATURE . = ADDRESS P.O. Box 80101 ." SERVICE ORDER NO [ C,T~. STATE Z,P Bakersfield, CA 93380 ~" ..' ~ /~ -' 7' ~7 '. PICK UP DATE ' = P~o.~ ~o ]'UUU-Z~Z-UaZ~ .... .U~IT ID NO . TYPEDOR PRINTED FULL NAMEi& SIGNATURE .' DATE TRUCK DISPOSAL METHOD ADDRESS ~ 5.' ~ [~ [J~ -~:' ~ ~)¢~ O ~NDFILL O OTHER ~D OR ~INTED FULL NAME & SIGNATURE ,. ~? . .,,x DATE GEN OLD/NEW L A TONS l TRANS S B , C/Q nT,CD , ~OF.~E DISCREPANCY . .. ' ..... )]E¢-16-97 01 :55 PM CAMERON ENVIRONMENTAL :~10 212 ?222 P.02 I ~ California Carbon Co., Inc. E. Grant St., W~on, CA 90744 (~2)~1~ Fax: ($62)~7.121~ RE&~TIY&TION 1 I! DATE:December 15, 1997 CUSTOMER: Cameron Environmental, Inc. I 527 Van Ness Ave. Torrance, CA 90501 I CUSTOMER'S REFERENCE: Soils Engineering MATERIAL RECEIVED: September 26, 1997 I 14 drums Non-Hazardous Liquid-Carbon Customer designates as 8 X 30 mesh I MATERIAL REACTIVATED: OctoDer 23 to October 24, 1997 AVERAGE REACTIVATION ACTIVITY: 68.28% I RETURN TO CUSTOMER: Material ready to return October 30, 1997 m wE HEREBY CERTIFY TI-iAT THE I~ATERIA; EEFE:~RED TO IN THIS REACTIVATION REPCRT HAS BEEN REACTIVATED TO THE ABCVE AVE=,AGE R-'_AC"'IVATIOt',, ACTIVITY., TESTED AS PER ASTM 03467, STANDARD TEST b'ETHOD FOR CARBON TETRACHLORIDE I ACTIVITY OF ACTIVATED CARBON. THIS I$ THE INDUSTRY STANDARD -'OR '-ESTING TI'-E AD~ORPTIVE CAPABILITY ID= ACTIVATED CARBON. TH-' A~'"'I'IVAT'_-D CARBON WAS REACTIVATED AT CALIFORNIA CARBON'S FACILITY IN WI.MINGTON, CALIFORN A. I CERTIFIED BY I R CHARD LIU VICE.~RESiDENT I I I I I SOILS ENGINEERING, INC. I I i Appendix E i Boring Logs I I I I I I I I ' I I I I I I CHEMICAL ANALYSE ~ SAMPLE I i Laboratory Field z~ = ~..~ ~ i--~ WELL COMPLETION Benzene oO ' Oil & OVA ~: ~' · :~ I '? SOIL DESCRIPTION Grease O.~a' ppm ppm a3 ~.= -- LOCKIng o ~ well .~ ~cap ',' Traffic ,,, Box -- --5-- ~/," ~ Excavation Fill to 30'+ ',~'.,' Neat Cemellt' -,,,,- :;o' ,~ ,~.,. Bentonite Seal ~ ;~.~. ~ Bags) i::i::ili::i:: :iiiii[[:::=:: Blank ~0-- - ~::~::~i~::~i ~ IWare r 0.0012I ::i::i!::!::ii i;::i::i~ ,.#3 Sand ----I <1 iiiiiii::ii O.020-inch 5 .~02 · MW-1 ^-3 Sand, med-dk bm, fn - mod gr, tr silt, ~::~::~::~::~:: ............ S[o. od 4' 8 modsrtd, compact, wet-~atumted, ~i~i~i~i~i ~ ~'~' Sch. 40 no odor, no staining (Fill). !!iiiiiiii PVC __ NA O '352 · MW-1A-3~ Contact with Silty Clay @ 35.5'-dk 10-Inch Diameter Hole _ 7000 8~ gry, stiff, mod- high plast, wet, mod _ odor and dk gry staining. _ _ _ / - ~5- / ---- SURFACE ELEVATION: 366.5 LOGGED BY: RJB I TOTAL DEPTH: 35' SUPERVISED BY: RJB DATE DRILLED: 9/26/97 DIAMETER of BORING: 8" WATER ENCOUNTERED AT: 30' I LOCATION: Tract 5426 - SOILS ENGINEERING, INC. w. Side Of Cladham Dr. ICladham Common Dr PLATE 4700 District Blvd. 190 N. of Dorchester CL lBakersfield, CA i Bakersfield, CA 93313 PROJEC'r NUMBER: 97-8308 LOG OF BORING MW-lA page 1 of 1 I I I CHEMICAL ANALYSE Si SAMPLE Laboratory Field -~' ~ rr I .-~ WELL COMPLETION Benzene · .~ LU I . Oil & OVA :3: ..o;. :~ I . ? SOIL DESCRIPTION ppm ppm m ~ -- LOCKing · ~ well ~ '~'~7 ,cap ---- __-- __~ .~,~, ' Traffic -- ' .~,~. -- Excavation Fill to 30'+ · , ~..~ Neat Cement' · '· ..~,Bentonite Seal · ,~ ~.~ ~ Bags) .:.:.:.:.:.::::~:i:i:i:i 4" -- i ::i::i::iiii::i -- IWater 0.017 I ilii~ #3Sand -- 1.6 .... i!~i~i~i~ili "Filter Pack-- i:i:i:i:i:' '.i:i:i:i:i: -- iiiiiiiiiii iiii 0.020-inch ' WT 29.80' 7 -30--_ · MW-2A-3 SP Sand. dk gry, fn- reed gr. mod srtd. Slotted 4' 18 compact, wet-saturated, sli odor. gry ...... ~ ~' Sch. 40 23 staining. .......... __ "A 12 -35-- · MW.2A_31 CMLLJ Silt/Clay - dk gry bm, firm, sli-mod 10-Inch Diameter Hole _ 9700 20 plast, wet, sli-mod odor and dk gry -- --~0 ~ __ staining. - ~ 0 SURFACE ELEVATION: 365.5 LOGGED BY: RJB TOTAL DEPTH: 35' SUPERVISED BY: RJB DATE DRILLED: 9/26/97 DIAMETER of BORING: 10" WATER ENCOUNTERED AT: 30' LOCATION: Tract 5426 PLATE SOILS ENGINEERING, INC. w. Side Of Cladham Dr. ICladham Common Dr 4700 District Blvd. 110 N. of Dorchester CL I Bakersfield, CA Bakersfield, CA 93313 PROJECT NUMBER: 97-8308 LOG OF BORING MW-2A page ! CHEMICAL ANALYSE ~ SAMPLE Laboratory Field z WELL COMPLETION Benzene O ~ ~ uJ v o cr :~ >. '? SOIL DESCRIPTION Oil & OVA Grease O. ~. z z o . ppm ppm m LOCKing ~ well 0 - ~ ~cap -- _ _ i::::i::iiii ::!ii '/' " Traffic %.~ Box -- ,... --5 SiEy Sand In C~ing ~'~' ~.~,Neat Ceme~ -- -- gt" BentonRe Seal ~ -- ~ ~ ~ Blank _20_ ~ U~ ~ ~ ~[~__ 6 -- _ m MW-4-20::::::::: Silty Sand/Sandy Si,- R bm, v fn gr, ~;~: ~¢~;~ -- Water ND I ~. ~ FlEer Pac~ ~ ~:~:~:~:~.....: ....~:~:~:~:~ O.020-inch ~ 29.50' 11 -30 ~ ~ MW-4-30 ~ SW Sand, ~ bm, fn -crs gr, prly s~d, ~~':~::::::~ ~S~,ed 2' NA 25 : -- ~[~::~7;=;.~se, wet-~turated, no ~or. no ~ Sch. 40 ND 30 -- -- ~;~ staining. .......... Pvc - - ~:~:~:;:F :~;[ii;~ -3 5 -- ' ...... 7 m Mw~-35 ::::::::::::::::::::: - - - ~ sw, Sand - as a~ve w~h Clay ~ 36'- dk 8-Inch Diameter Hole _ 12 3L bm. fi~. m~ plast, wet. no ~or -- -- 12 -- -- _ -- and no staining. .45 -- -50- SURFACE ELEVATION: 367' LOGGED BY: RJB TOTAL DEPTH: 35' SUPERVISED BY: RJB DATE DRILLED: 9/2~97 DIAMETER of BORING: 8" WATER ENCOUNTERED AT: 29.5' LOCATION: Tract 5426 PLATE SOILS ENGINEERING, INC. w. Side Of Cladham Dr. ~Cladham Common Dr. 4700 District Blvd. 32' N. of A~leboro CL J Bakersfield, CA Bakersfield, CA 93313 PROJEC~NU=SER: 97-S30S LOG OF BORING MW-4 page CHEMICAL ANALYSE ~ SAMPLE Laboratory Field :::) ~) .~ 13: .- WELL COMPLETION Benzene oO e ,,, cc :~ >. '? SOIL DESCRIPTION Oil & . OVA Grease O, ppm ppm ~ LOCK~ng ~ well 0 ........ · / ', Traffic ................... ,, , ,,. -- -- -- -- :ii~!i!iiiiiiii!!!iii: Silty Sand In Cuttings -;- ,?. - :::::::::::::::::::::::::::: '·' ,~, Neat Cement' "t' , , 14__'10--_[] MW-5-10 SP Sand-ltgry-ltbrn, vfn-fngr, well Bentonite Seal 16 -- iiiiiiiiiiiiiiil srtd, dry. loose, no odor. 2' : -- ............iiiili!i~;i! ~ ~ ~ PVC .......... ::i:;::i::iii:: ::~i~i~!~i~i _ 8 _ _ [] MW-5-20 ~i~i~i~i~ SP Sand - med-dk bm, fn-med gr, tr silt, :i:i:i:i:i ............. 23 __ : ..............moist, no odor. iiiiiiili~'.: i;iiiii::iii:: -- 20 -- -- :!:i:i:!:!:i --I I -- -- .:.:.:.:*: -2 5 ~:~ ::~:~:~:~:~ --,Water ND , ---- i!!!::ii!ii': :ii!iii~ #3 Sand --IIND -- ::iiii::ii::i' Filter Pack-- ' -- -- iiiii!iill O.020-inch VVT 30' 10 -30-- [] MW-5-30 iii!!ii!!i!iii SW Sand, med-dk bm, fn- crs gr, prly iiiiiiii!i:! ...... ~ Slotted 2' NA 12 ---- -- :::i::ii!iiiiii::~!~i!!!i!!ii! srtd, loose, wet-saturated, no odor, !iiiii!ili! --.- Sch. 40 ND 15 -- -- ~i~ii~i~iii~i!~iiiii.: no staining. ii!ii!i~ii~ii!: .......... PVC --~5-- 8-Inch Diameter Hole _ _ ..40 - ~ _45 -- -50 -- SURFACE ELEVATION: 365,6' LOGGED BY: RJB TOTAL DEPTH: 35' SUPERVISED BY: RJB DATE DRILLED: 9/24/97 DIAMETER of BORING: 8" WATER ENCOUNTERED AT: 30' LOCATION: Tract 5426 PLATE SOILS ENGINEERING, INC. N. Side Of Dorchester ICladham Common Dr 4700 District Blvd. 200' W. of CladhamCL ~Bakersfield, CA Bakersfield, CA 93313 PROJECT NUMBER: 97-8308 LOG OF BORING MW-5 page I of 1 I CHEMICAL ANALYSE ~ SAMPLE Laboratory Field z~ .-. WELL COMPLETION v > m '? SOIL DESCRIPTION Benzene ,o, ~ "' . e~ Oil & OVA'-'~ ~ n' Grease O, n ~ z ppm ppm aa ~3 _z LOCKIng ~ well 0 - ~'~ ~cap -- -- -- ','. Traffic -- -- -- ,;, ,;, Box -- --- · · ,/, --5 Silty Sand In Cuttings ',' '/' Neat Cement -- -- ',.', .,,'._ 10_'10--_ · MW-6-10 SM SiltySand -it-medbrn, vfn-fngr, ',' ',' -- 11 _ well srtd, moist, no odor. ,,, ,,, -- 11 -- -- ,,~ ,,~ _15 '."'~ PVC -- -- -- ~, ,, Blank ---20 ---- 6 [] MW-6-20 SP Sand - It-reed bm, v fn gr, ~' '~ -- ND 7 __ moist, no odor. ..., -25 Hard drilling 25-27' ,,' .... ', , _ 3 -30-- · MW-6-30 SM Silty Sand. dk brn. v fn gr. compact, ', ,' Bentonite Seal 7 Z -- moist-wet, no odor, no staining. " ~Bags) 7 -- -- ~ Z -- Silt/Clay on center bit iiiiii!iii -.-:,:,:,:,:,:,: ........... iiiiiiiiil i!::i~ #3 San(~ 7 · MW-6-40 Silty Sand - dk gry-bm, v fn - med gr. i'i'i:~:~:iiiiiiiiii: !iii!!i!!i' Filter Pack.~. I Water 0.43 10 Z -- w/silt and clay, moist, no odor. .......... i~i~!~i~i~i --~ N D 14 -- -- :~:~:~:~:~ 0.020-inch ::i::::::iiiii Slotted 2' ~' .45_ i!iiiiiiii ~ ~ WT 45' 8 · MW-6-45 Silty Sand - as above, but wet-saturat~ iiiiiiiiii;iiii --............ Sch. 40 -- -- iiiii!iiii i:i:i:i:i:i: PVC NA 9 -- in sampler, no odor. .......... ::!::i::ili::i::i N D 10 -- -- I~11~ L~ 8-1nc3 Dia~";ter Hole -- '50--~CL Silt/Clay on center bit. I SURFACE ELEVATION: 367.6' LOGGED BY: RJB TOTAL DEPTH: 50' SUPERVISED BY: RJB DATE DRILLED: 9~24~97 DIAMETER of BORING: 8" WATER ENCOUNTERED AT: 45' · LOCATION: Tract 5426 · SOILS ENGINEERING, INC. so' s. of Dorchester CL ICladham Common Dr PLATE 4700 District Blvd. 8' W. of CladhamCL ~Bakersfield, CA I Bakersfield, CA 93313 PROJECT NUMBER: 97-8308 LOG OF BORING MW-6A page 1 of 1 ! I CHEMICAL ANALYSE ~ SAMPLE Laboratory Field ::3 q) _.J n- ._ WELL -~. > m -? SOIL DESCRIPTION COMPLETION Benzene,~'°' ~ '" Oil & OVA ~ ~ n' Grease O,R-.., _z~' z ppm ppm m LOCKIng ~ wall 0 ~ ~ca_ 'I~NIN OF MW-6A NO SAMPLES ',' Traffic -- -- -- ,~, Box -- -- -- ,'/~' __----5 __ ~ Silty Sand In Cuttings 'L,' '~'. Neat Cement -- ~ '~' %,' -10 ,,, ?' Bentonite Seal _ _ SM Silty Sand - It-med bm, v fn - fn gr, ~ Bags) _ well srtd, moist, no odor. :K:::~:~:~ ...... ::::::::::::::::::i: _ ~ moist, no odor. ::::::::::: ':i:i:K:! ~ ~ i :'i:i:::~ #a Sand :m~l~m~m~m~ ' Filter Pack.~. Z Z i****iiiiiiiii Slo~ed ~' _ moist-wet, no odor, no staining. iiiiiiiiii:; - !!i!{!ii!iii PVC NO WATER --~5-- Silt/Clay on center bit 8-Inch Diameter Hole ~ _-- -- - ~o.: __ _45 -- '50-- I SURFACE ELEVATION: 367.6' LOGGED BY: RJB TOTAL DEPTH: 35' SUPERVISED BY: RJB DATE DRILLED: ~/24/97 DIAMETER of BORING: 8" WATER ENCOUNTERED AT: NA · LOCATION: Tract 5426 m SOILS ENGINEERING, INC. 50' s. of Dorchester CL ICladham Common Dr. PLATE 4700 District Blvd. 3' W. of CladhamCL I Bakersfield, CA m Bakersfield, CA 93313 PROJECT NUMBER: 97-8308 LOG OF BORING ~W-6B pago ! m SOILS ENGINEERING, INC. Appendix F Surveyed Excavation Limits & Well Locations ~ A TTLEB OEO ~.~,. a VE~UE.~: ~"' , , I ~ 368.70 368.60 , I I .=.1 ~67.90 ~ ' _ L__F~~_~~__~ ..... 1 ....~-' SURVEYED LIMIT OF EXCAVATION DORCHES~R S~EET ~ ~ ~ FP= ~ FP' ~ FP= ~ ~ FP= ~ FP= ~ FP= ~ ~- ~ I 367.70 I 367.60 ~ 367.40 [ 367.40 [ 367.60 I 367.70 I 367.80 I 368.~0 i[0-14-97 05'5£PM FROM ,MARTIN-MclNTOSH* PO2 ~ ................... ! !1~ TRACTS~26 PHASECAND ~ T D MONITORING ~ SUR~ ...~ ~ ~ ,.~ .......... ~ ~OB NO, 97-049 .... ~ I ~"': "] ;", ~ / ~ ~ .,.,/ ~ ........ ~ ~,~,, 61~0 ~B.83 ' 4 ........ ~0 11 P,H ) S - C 4300 367.67 · ~eek.lef,t