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HomeMy WebLinkAbout4050 GOSFORD ROAD (52)I1111. Delta Environmental Consultants, Inc. Solving environment - related business problems worldwide 911 South Primrose Avenue • Suite K Monrovia, California 91016 USA 626.256.6662 800.477.7411 Fax 626.256.6263 March 31, 2005 DELTA Project No. PA4050G -1 Mr. Howard Wines III Environmental Services City of Bakersfield Fire Department 1715 Chester Avenue, 3rd Floor Bakersfield, CA 93301 Re: First Quarter 2005 Update Texaco Service Station 4050 Gosford Road Bakersfield, California Dear Mr. Wines: www.deltaenv.com On behalf of Equilon Enterprises LLC dba Shell Oil Products US (SHELL), Delta Environmental Consultants, Inc. DELTA) has prepared this First Quarter 2005 Update for the above referenced site. This quarterly report represent DELTA's professional opinions based upon the currently available information and are arrived at in accordance with currently acceptable professional standards. This report is based upon a specific scope of work requested by the client. The Contract between DELTA and its client outlines the scope of work, and only those tasks specifically authorized by that contract or outlined in this report were performed. This report is intended only for the use of DELTA's Client and anyone else specifically listed on this report. DELTA will not and cannot be liable for unauthorized reliance by any other third party. Other than as contained in this paragraph, DELTA makes no express or implied warranty as to the contents of this report. If you have questions regarding this site, please contact Peter Shair (DELTA) at (626) 256 -6662 or Tony Palagyi SHELL) at (425) 377 -8530. Sincerely, Delta Environmental Consultants, Inc. Peter Shair Project Geologist Bradley E. Clark, P.E. C55425 Senior Project Engineer tAttachment: First Quarter 2005 Update cc: Mr. Tony Palagyi, Shell Oil Products US L Illy, No.C55425 r Exp. s t clvlk A member of. Xlnogeifmental Alliance 1 t t t L 1 1 t IMarch 31, 2005 SHELL QUARTERLY STATUS REPORT Station Address: 4050 Gosford Road, Bakersfield, California DELTA Project No.: PA405OG -1 SHELL Environmental Engin./Phone No.: Tony Palagyi / (425) 377 -8530 DELTA Site Manager/Phone No.: Peter Shair / (626) 256 -6662 Primary Agency/Regulatory ID No.: City of Bakersfield / Howard Wines III Other Agencies to Receive Copies: None WORK PERFORMED THIS QUARTER (FIRST - 2005): 1. Submitted Third Quarter 2003 Update Report. 2. Submitted Confirmation of VerbalApproval: Corrective Action Plan, dated January 24, 2005, to the City of Bakersfield Fire Department. 3. Initiated scheduling and permitting for approved Monitoring and Natural Attenuation remedial action. WORK PROPOSED FOR NEXT QUARTER (SECOND - 2005): 1. Submit quarterly update report. 2. Begin monitoring for Monitoring and Natural Attenuation on monthly basis. Current Phase of Project: Remediation (Monitoring and Natural Attenuation) Frequency of Sampling: NA Frequency of Monitoring: Monthly for the first 6 months, then quarterly thereafter, once M NA commences. Is Separate Phase Hydrocarbon Present On -site (Well #'s): Yes ® No Cumulative SPH Recovered to Date: NA SPH Recovered This Quarter: None Sensitive Receptor(s) and Respective NA Direction(s): Current Remediation Techniques: Monitoring and Natural Attenuation. Soil Vapor Extraction wells are currently installed on -site. Permits for Discharge: None Approximate Depth to Groundwater: NA Groundwater Gradient NA Current Agency Correspondence: City of Bakersfield Fire Department letter dated 10/8/04. Summary of Unusual Activity: None P J" S . Peter Shair Site Manager (DELTA) 1 1 1 e ATTACHED Table 1 — Vapor Extraction Wells Soil Analytical Data Figure 1 — Site Location Map Figure 2 — Historical Hydrocarbon Distribution in Soil Map 1 w mrij d E I 1 J 1-i IJ E CSI Table 1 Vapor Extraction Wells Soil Analytical Data Texaco Service Station 4050 Cosford Road Bakersfield, CA Sample Boring Sample Depth Number Date Feet TPH -d mg/k TPH-g m k Ethyl Total Benzene Toluene Benzene Xylenes MTBE TBA DIPE ETBE TAME k ) k k) k k ) k) lgd;.miI'll I'ni'.'.LIINI l u nsfi..I dl .IHIgILfll.l.. 11 +Nr Nrr; rl Ull llllll 'IfIL... r IN.'Y, L. i,f ll I IH11..1 i.;.f461'dtnflWllnA III IWl 19111 LhO: IIII Iil @'I 1 1. ... r IliWdflli Ian 1' nlldd IIINn IIHI!1'f lhgr 9x'k,;, r I III Illf lllf IH 1'NII5 i8i ill it1111. dlulu rNU4m r.l'i il 1Iff011illwIlMll ff IIINIIOINILInNIIlnlldnndl1111! drill Mill111111II1 VEW -1 09/22/03 5 ND <5.0 ND<0.50 ND <5.0 ND <5.0 ND<5.0 ND <10 ND<5.0 ND<50 ND <10 ND <10 ND <I0 09/25/03 10 ND <5.0 ND <0.50 ND <5.0 ND <5.0 ND<5.0 ND<10 6.0 ND<50 ND<10 ND<10 ND <10 09/25/03 IS ND <5.0 1.0 ND<130 ND <130 ND <130 ND<260 2,500 ND <1300 ND<250 ND<250 ND <250 09/25/03 20 ND<5.0 15 ND <130 ND <130 ND<130 ND<260 3,500 ND<1300 ND<250 ND<250 ND <250 09/25/03 25 ND<5.0 3.6 ND <130 ND<130 ND<130 ND<260 11,000 8400 ND<250 ND<250 NDQ50 09/25/03 30 ND <5.0 1.1 ND<130 ND<130 ND <130 ND<260 2,800 ND <1300 ND<250 ND<250 ND<250 09/25/03 35 ND<5.0 1.0 ND<130 ND<130 ND <130 ND<260 2,100 ND <1300 ND<250 N13<250 ND<250 09/25/03 40 ND<5.0 1.0 ND<130 ND<130 ND <130 ND<260 4,800 ND<1300 ND<250 ND<250 ND<250 09/25/03 45 ND <5.0 ND<0.50 ND<5.0 ND<5.0 ND<5.0 ND<10 250 480 ND <10 ND<10 ND<10 09/25/03 50 ND <5.0 ND <0.50 ND<5.0 ND<5.0 ND<5.0 ND <10 87 ND <50 ND <10 ND <10 ND <10 09/25/03 55 ND <5.0 ND <0.50 ND<5.0 ND<5.0 ND <5.0 ND <10 ND <5.0 210 ND<10 ND <10 ND710 1!111 I.I nl ii`I'li'lliiiWrl iii IIiNI I I;III i I 1.' .Iq. HIV II I IIII il.riii qlfJ !li I i 'i Ilill Oi ri:'Iq Ni9:@ 'i'!.. I! ! I 1 I I III I ill I III!I!I II Ni II IIIIIII!I VEW'2 09/22/03 5 ND <5.0 ND<0.50 ND<5.0 ND<5.0 ND <5.0 ND<10 63 560 ND<10 ND<10 ND <10 09/24/03 10 ND<5.0 4.3 ND <5.0 ND<5.0 ND<5.0 ND <10 18,000 4,500 ND<10 ND <10 ND <10 09/24/03 15 ND <5.0 6.0 ND<130 ND<130 ND<130 ND<260 12,000 2200 1 ND<250 ND <250 ND<250 09/24/03 20 ND <5.0 1.6 ND <5.0 ND<5.0 ND<5.0 ND <10 6,500 3,500 ND<10 ND <10 ND <10 09/24/03 25 ND<5.0 7.6 ND<130 ND <130 ND<130 ND<260 44,000 4,800 ND<250 ND <250 ND <250 09/24/03 30 ND <5.0 0.62 ND <5.0 ND<5.0 ND<5.0 ND<10 1,800 1,200 ND <10 ND<10 ND <10 09/24/03 35 ND <5.0 0.66 ND <5.0 ND<5.0 ND<5.0 ND<10 1,200 940 ND<10 ND<10 ND <10 09/24/03 40 ND <5.0 ND<0.50 ND <5.0. ND <5.0 ND<5.0 ND<10 410 570 ND<10 ND<10 ND<10 09/24/03 45 ND <5.0 ND <0.50 ND<5.0 ND <5.0 ND <5.0 ND<10 330 530 ND <10 ND <10 ND <10 09/24/03 50 ND<5.0 ND <0.50 ND<5.0 ND <5.0 ND<5.0 ND <10 960 77 ND <10 ND<10 ND <10 09/24/03 55 ND<5.0 ND <0.50 ND <5.0 ND <5.0 ND <5.0 ND<10 6.2 ND <50 ND <10 ND<10 ND<10 09/24/03 60 ND <5.0 ND <0.50 ND <5.0 ND <5.0 ND <5.0 ND<10 ND <5.0 ND<50 ND <10 ND<10 ND <10 IUdI .L., i.,f.l..l. i...uwt,r nUU .I In,lr1 .I ....:r,..1.1 ILlnnldl lilihlld9 J11.Ili....l L. ml :rrvrul,rr„„ ,1.1 i .I it ..II .I. Ii. hll 11 '1lrHlil I IIILU 111111 ..I III IFlu., nrnl. .I,. r Ir r I!Ifl;Arial lq Ali IOrr;n Lr6 .ILILT dLi1''Iiiii 7 i 'in'llii Il;n;!1 .LI I:'I'N!:I'... ":3inPinlinf N.. it "i IGI it I Inil I q IIN VIII r9:1a I'.lilll.11l VEW -3 09/22/03 5 ND <5.0 ND <0.50 ND <5.0 ND <5.0 ND <5.0 ND <10 ND<5.0 ND <50 ND <10 ND<10 ND <10 09/24103 10 ND<5.0 1.9 ND <5.0 ND <5.0 ND <5.0 ND<10 6,800 150 ND <10 ND<10 ND <10 09/24/03 15 ND <5.0 5.7 ND<5.0 ND <5.0 ND<5.0 ND <10 19,000 4,100 ND <10 ND <10 ND <10 09/24/03 20 ND <5.0 6.2 ND<5.0 ND<5.0 ND <5.0 ND<10 14,000 4,400 ND <10 ND<10 ND<10 09/24/03 25 ND <5.0 9.6 ND<5.0 ND<5.0 ND <5.0 ND<10 24,000 11,000 ND <10 ND<10 I ND<10 09/24/03 30 ND <5.0 1.1 ND<5.0 ND<5.0 ND <5.0 ND<10 2,500 4,200 ND <10 ND<10 ND <10 09/24/03 35 ND<5.0 6.7 ND <5.0 ND <5.0 ND<5.0 ND<10 810 1,800 ND<10 ND <10 09/24/03 40 ND<5.0 4.9 ND <5.0 ND <5.0 ND<5.0 ND <10 29,000 2100 ND <10 ND <10 09/24/03 45 ND <5.0 ND<0.50 ND<5.0 ND <5.0 ND <5.0 ND <10 350 350 ND <10 ND <10 09/24/03 50 ND <5.0 ND <0.50 ND<5.0 ND <5.0 ND<5.0 ND <l0 20 ND <50 ND <10 ND<10 m mm m® ®® m m m== m ®== M. M fable I Vapor Extraction Wells Sol] Analytical Data Texaco Service Station 4050 Gosford Road Bakersfield, CA Sample Boring Sample Depth Number Date Feet TPII -d m k TPII -g m k Ethyl Total Benzene Toluene Benzene Xylenes MTBE TBA DIPE ETBE TAME k k) k k) lk k k k k7ilill il'; 'III I Him VEW4 09/22/03 5 ND<5.0 ND<0.50 ND<5.0 ND<5.0 ND <5.0 ND <10 ND<5.0 ND <50 ND <10 ND <10 ND <10 09/23/03 10 ND <5.0 1.2 ND <130 ND <130 ND <130 ND<260 3,500 ND<1300 ND<250 ND<250 ND <250 09/23/03 15 ND <5.0 13 ND<130 ND<130 ND <130 ND <260 20,000 2'100 ND<250 ND <250 ND <250 09/23/03 20 ND<5.0 1.5 ND <5.0 ND <5.0 ND<5.0 ND<10 1,400 3,800 ND<10 ND <10 ND<10 09/23/03 25 ND <5.0 7.4 ND<5.0 ND<5.0 ND<5.0 ND<10 3,500 21100 ND<10 ND <10 ND<10 09/23/03 30 ND<5.0 1. 1 ND <5.0 ND<5.0 ND <5.0 ND <10 22,000 2700 ND <10 ND <10 ND <10 09/23/03 35 ND<5.0 0.80 ND <5.0 ND <5.0 ND <5.0 ND<10 610 1,500 ND<10 ND <10 ND <10 09123/03 40 ND<5.0 7.4 ND<130 ND <130 ND <130 ND<260 1,600 ND<1300' ND<250 ND<250 ND <250 09/23/03 45 ND<5.0 3.7 ND<130 ND<130 ND <130 ND <260 17,000 NIX1300 ND<250 ND<250 ND <250 09/23/03 50 ND<5.0 ND<0.50 ND<5.0 ND <5.0 ND <5.0 ND<10 650 120 ND<10 ND<10 ND <10 09/23/03 55 ND <5.0 ND<0.50 ND <5.0 ND <5.0 ND<5.0 ND <10 16 ND<50 ND <10 ND <10 ND<10 09/23/03 60 ND <5.0 ND<0.50 ND<5.0 ND <5.0 ND <5.0 ND <10 23 ND<50 ND<10 ND<10 ND<10 09/23/03 65 ND <5.0 ND<0.50 ND <5.0 ND<5.0 ND <5.0 ND <10 5.4 ND<50 ND<10 ND <10 ND <10 U !I!'.il lilt, ,' :. I,UNIr ! ', rr !r! r'r •: r ::: ,'Y.I rOwl I rNP :I: i'i ..If. Illll... r1.,6I1 III i!, I' II ririlP .Ill.,il YUir "111 II II NI r!'i '11 I I I rl il'UI I II I III i.41 .'rl !1 N! II I N I Ur',frll .I I I 11'7!1!14!. II III.: IriC 11111 I Ilili VEW -5 09/22/03 5 ND <5.0 ND<0.50 ND <5.0 ND <5.0 ND <5.0 ND <10 140 4,000 ND<10 ND <10 ND <10 09/23/03 10 ND<5.0 6.3 ND <130 ND <130 ND<130 ND<260 2,400 8,500 ND<250 ND<250 ND <250 09/23/03 15 ND<5.0 8.7 ND<130 ND <130 ND <130 ND<260 29,000 21,000 ND<250 N13Q50 ND <250 09/23/03 20 ND <5.0 13 ND <130 ND <130 ND <130 ND<260 46,000 15,000 ND <250 ND <250 ND<250 09/23/03 25 ND <5.0 28 ND <130 ND <130 ND <130 ND<260 85,000 29,000 ND<250 ND<250 ND <250 09123/03 30 ND <5.0 1.5 ND<130 ND<130 ND <130 ND<260 3,100 3,200 ND<250 ND<250 ND <250 09/23/03 35 ND <5.0 1.9 ND<130 ND<130 ND<130 ND<260 5,300 1,800 ND<250 ND <250 ND<250 09/23/03 40 ND<5.0 0.94 ND <5.0 ND <5.0 ND <5.0 NDgO 680 2,400 ND<10 ND <10 ND<10 09/23/03 45 ND<5.0 2.0 ND <130 ND <130 ND <130 ND<260 4,400 4,200 ND<250 ND<250 ND<250 09/23/03 50 ND <5.0 ND <0.50 ND <5.0 ND <5.0 N13<5.0 ND <10 530 ND <50 ND <10 ND <10 ND <10 09/23/03 55 ND<5.0 ND <0.50 ND <5.0 ND <5.0 ND <5.0 ND<10 ND <5.0 ND<50 ND <10 ND <10 ND <10 09/23/03 60 ND<5.0 ND<0.50 ND <5.0 ND<5.0 ND <5.0 ND <10 ND <5.0 ND <50 ND <10 ND <10 ND <10 09/23/03 65 ND <5.0 ND<0.50 ND<5.0 ND <5.0 ND <5.0 ND <10 ND <5.0 ND <50 ND <10 ND <10 ND <10 m = m = = m t e I v t 1 J 1 t 1 1 1 0 J I I 0 1 t1 1 1 r1 m m m m m ® ® ® ® ® m m m m = m m m