HomeMy WebLinkAboutMITIGATION 2010 1IM11 41
PHASE I-ENVIRONMENTAL SITE ASSESSMENT
OF
Bakersfield Municipal Airpark
2000 South Union Avenue
Prepared For
Debbie Scanlan, Development Assistant
City of Bakersfield Economic and Community Development Department
1600 Truxtun Avenue, Suite 300
Bakersfield, CA 93301
Prepared By
Howard Wines, Director
Bakersfield Fire Department Prevention Services Division
2101 H Street, Bakersfield, CA 93301
(661) 326-3979
December 2, 2010
IIIIIII VIII III IIII 42
IE
TABLE OF CONTENTS
1.0 Summary and Signature .............................................................................3
2.0 Introduction............................................................................................4
2.1 Purpose............................................................. .........................4
2.2 Scope of Services.............................................................................4
2.3 Limitations and Exceptions.................................................................4
2.4 User Reliance ................................................................................5
3.0 Site Description .......................................................................................5
3.1 Location and Legal Description ........................................ ................5
3.2 Site and Vicinity Geophysical Characteristics ..........................................5
3.3 Current and Past Uses of the Site .........................................................6
3.4 Current and Past Uses of Adjoining Property ............................................6
3.5 Topography, Geology, Hydrogeology and Soils .......................................6
4.0 Records Review ......................................................................................6
4.1 DOGGR Records ...........................................................................7
4.2 Department of Toxic Substances Control "Envirostor" .................................7
4.3 Historical Aerial Photographs ...............................................................8
5.0 Site Reconnaissance ..................................................... .........................1 2
5.1 Methodology ...............................................................................12
5.2 Onsite Observations ........................................................................12
6.0 Interviews ...........................................................................................12
7.0 Findings, Opinions and Conclusions ............................................................13
8.0 References ...........................................................................................13
2
1. Summary and Signature
This report is being prepared in response to a request from Debbie Scanlan, Development
Assistant, for a Phase I Environmental Site Assessment on the subject property. This report
conforms to the requirements and limitations of the ASTM Standard Practice E 1527-05
(ASTM).
The site is described as 2000 South Union Avenue in Bakersfield, California.
The findings, resulting from the review of the available records and site reconnaissance,
indicate that there is evidence of recognized or historical environmental conditions on the
property, as follows:
1. Removal of underground aviation fuel storage tanks in 1996 with limited petroleum
impacted soil remaining in the subsurface, no further regulatory action required;
2. Removal of petroleum,impacted soil in 1991 from a surface impoundment under a
Cleanup & Abatement Order(No. 91-713), no further regulatory action required;
3. Continuing State agency investigation into any possible environmental impacts from
the former Garriott Crop Dusting facility located adjacent to the Airpark at 2010
South Union Avenue. The investigation case, initiated in the 1980's, is still open, but
does not appear to be currently active.
The former Garriott Crop Dusting facility location is both off-site and hydrologically down
gradient of the Airpark. Extensive investigations and prior cleanup activities have
demonstrated that the Airpark property itself does not currently pose any environmental
risk. Any further investigations into possible off-site impacts resulting from the former
Garriott Crop Dusting operations are not expected to affect the Airpark property itself.
Accordingly, no Phase II site assessment is required of the airpark property.
ED FO
X . 3 31/1(
No. 7239
9TF 0 C
IZ l'Z to
Howard H. Wines, III Date
Prevention Services Director
Professional Geologist No. 7239
3
2. Introduction
This report presents the findings of the Phase I Environmental Site Assessment performed on the
subject property.
2.1 Purpose
The purpose of this Phase I is to evaluate whether current or past activities on, or adjoining, the
site may have resulted in "recognized environmental conditions" that is, the presence or likely
presence of any hazardous substance or petroleum products on a property under conditions that
indicate an existing release, a past release, or a material threat of a release of any hazardous
substance or petroleum product into structures on the property or into the ground, groundwater or
surface water of the property.
2.2 Scope of Services
This Phase I Environmental Site Assessment (ESA) was conducted in general conformance with
the methods and procedures described in the ASTM Standard Practice E 1527-05. The scope of
services includes:
• Review of standard historical sources for current and past uses of the site, and
interviews with persons having knowledge of the past and current use of the site.
• Site reconnaissance to assess evidence of current and past use, storage, and
release of toxic or hazardous materials, including determination of the onsite
presence of ponds, landfills, storage tanks, oil wells, electric transformers, drums
and other storage containers, and any onsite dumping of wastes.
• Reconnaissance of properties adjacent to the site.
• Review of available government records for known or potential hazardous waste
sites or land fills near the site
• A written Phase I ESA report to present the environmental findings opinion and
conclusion.
2.3 Limitations and Exceptions
This Phase I ESA report was prepared in accordance with the purpose and scope of services
described above. In addition, the following limitations and exceptions are applicable to this
report:
• This report has relied on currently available or "reasonably ascertainable" records
as defined by ASTM Standard Practice E 1527-05 section 8.1.4.
• The findings, opinions and conclusions of this report are based on information
obtained on given dates, through reasonably ascertainable records and reasonably
perceptible site conditions and features as they existed during the site's
reconnaissance. They do not apply to site conditions and features that I am
unaware and have not had the opportunity to evaluate.
4
2.4 User Reliance
This Phase I ESA is not intended to eliminate uncertainty regarding the potential for existence of
recognized environmental conditions at the site. It was prepared only to assess if there is reason
to suspect the presence of hazardous substance or petroleum products at the site. Therefore, this
Phase I ESA does not include the collection and/or analysis of soil, -groundwater, building
materials, or other environmental samples which are considered Phase II activities.
3.0 Site Description
The site consists of a municipal airpark.
3.1 Location and Legal Description
The site is briefly described as follows:
Bakersfield Municipal Airpark located at 2000 South Union Avenue.
3.2 Site and Vicinity General Characteristics
The site is located within a mixed commercial, light industrial and residential neighborhood.
The property is generally bounded on the north by Watts Drive, on the east by Madison Street,
on the south by East White Lane, and on the west by South Union Avenue.
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5
3.3 Current and Past Uses of the Site
The airpark was originally developed in 1945 and used by the Israeli Air Force as a pilot training
facility. The airpark'was later used as private airport which provided ground support for small
aircraft and crop dusters. The City of Bakersfield initially purchased the airpark in 1985.
3.4 Current and Past Uses of the Site and Adjoining Property
The airpark was expanded in the late 1980's to lengthen and realign the runway and taxiway.
Past uses of the subject property included agricultural, light industrial and commercial zoning.
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Map from the Airpark Expansion Draft Environmental Impact Report, 1980
3.5 Topography, Geology, Hydrogeology and Soils
The site is located in the greater Metropolitan Bakersfield area. The soils are typically silty sand
and sandy loam. The topography is relatively flat. Groundwater gradient and direction are
locally and seasonally influenced by nearby canals. The regional groundwater table gradient
trend is to the southwest, based on groundwater reports maintained by the Kern County Water
Agency.
4.0 Records Review
The following records were reviewed in this section: Bakersfield Fire Department, Department
of Conservation, Division of Oil, Gas and Geothermal Resources (DOGGR) records, Department
of Toxic Substances Control "Envirostor" data base, Kern County Water Agency reports and
historical aerial photographs.
6
4.1 DOGGR,Records
Oil well records maintained at the Bakersfield office of the Department of Conservation,
Division of Oil, Gas and Geothermal Resources (DOGGR) were reviewed. The closest well to
the site is an abandoned oil well designated as "Marathon Oil Company—KCLM" located in the
northeast corner of the subject property near the intersection of Watts Drive and Madison Street.
The well was drilled in 1956 to a total depth of 8604 feet and was subsequently abandoned as a
"dry hole"meaning without having encountered or produced economic quantities of oil.
The closest hazardous substance pipeline is the P. G. & E. 10" high pressure natural gas line
which runs along the west side of the subject property, along South Union Avenue.
4.2 Department of Toxic Substances Control "Envirostor"
Garriott Crop Dusters,2010 South Union Avenue (adjacent to the subject property)
Search of the Department of Toxic Substances Control "Envirostor" database shows there are no
hazardous waste cleanup sites within one (1) mile radius of the property.. The former Garriott
Crop Dusters site, located adjacent to the subject property, is still shown as an "open case" with
the Central Valley Regional Water Quality Control Board as a Spill, Leak, Investigation Case
(SLIC) site. The case was initiated on May 29, 1980 with no recent activity listed on this site.
The two underground aviation fuel storage tanks associated with the former Garriott Crop Duster
operations were subsequently removed in 1999. The investigation into any leaks from the
former aviation fuel tanks is currently being handled by the Regional Water Quality Control
Board in conjunction with their handling of the original,Garriott"SLIC" case.
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Figure 1. Envirostor map of environmental concern sites.
7
City of Bakersfield (Bakersfield Airpark), Toxic Pits Cleanup & Abatement Order 91-713
The Regional Water Quality Control Board had additionally issued a Cleanup & Abatement
Order on May 11, 1990 (No. 90-709 at that time, subsequently amended to Order No. 91-713 on
April 29, 1991). The cleanup involved a storm water sump maintained by the City of
Bakersfield on the west side of the airpark runway. Soils investigation found oils and grease had
accumulated in the storm water sump from drainage originating near aircraft workshops and
wash pads. No toxic levels of heavy metals were detected. The petroleum,impacted soils were
removed from the airpark and taken to a disposal facility. The entire storm water sump was
abandoned and graded level to accommodate the new runway and taxi way realignment and
expansion. The Regional Water Quality Control Board was satisfied with the mitigation and the
Cleanup & Abatement Order 91-713 was rescinded on April 8, 1992.
C & B Flying Service (Bakersfield Airpark) Underground Storage Tank Removal
The closest known site where a release of petroleum products has occurred is at the former C &
B Flying Service,the previous fixed base operator, previously located near the northwest corner
of the airpark property near the current control tower. Two underground storage tanks
containing aviation fuel were removed in 1996 and were found to have been leaking. An
investigation was conducted into the Leaking Underground Fuel Tank (LUFT) site. Soil samples
were subsequently obtained and a risk-assessment indicated groundwater was not threatened by
any residual aviation fuel remaining in the subsurface soils and the case was closed in 1997.
The closest known groundwater contamination site is at the 7-Eleven Store #16329, located at
1701 Pacheco Road, approximately 1.5 miles southwest of the subject property. This site is
hydrologically down gradient from the subject property and is not expected to affect the airpark.
4.3 Historical Aerial Photographs
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1947 Aerial view
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1990 Aerial view
10
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1995 Aerial view
Between 1947 (the eariest available aerial photograph for the area) and 1959, the property known
as 2010 South Union became developed with a dirt road and salvage or equipment yard. The
control tower and shop or hangar buildings are visible in the northwest corner of both the 1947
and 1959 aerial photographs.
Between 1959 and 1975, additional buildings and hangars have been constructed in the
northwest corner of the airpark property. A triangular drainage sump is visible near the west side
of the runway in the center of the 1975 aerial photo. This sump feature is more pronounced in
the 1990 aerial view. This is the sump which was cleaned up and removed by the City of
Bakersfield under the California Regional Water.Quality Control Board's Cleanup and
Abatement Order No. 91-713. The cleanup order was lifted on April 8, 1992.
Between 1990 and 1995, the airpark runway was reconfigured by expansion to the property
located to the south. An Environmental Impact Report was preparred for that expansion.
11
5.0 Site Reconnaissance
On December 1, 2010 a reconnaissance of the site and its surroundings was completed. There
was no visible evidence of any recognized environmental conditions.
5.1 Methodology
Prior to the reconnaissance visit, all available environmental records and historical photographs
of the site were reviewed in an attempt to identify any potential environmental conditions of
concern.
5.2 Onsite Observations
The property consists of several shop and aircraft hangar structures, a control tower, and a
restaurant. A used oil collection tank is located behind the shop buildings and is maintained in
compliance with hazardous waste regulations. The tank is covered and secondarily contained.
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6.0 Interviews
No interviews were completed.on this parcel.
12
7.0 Findings, Opinions and Conclusions
The findings, resulting from the review of the available records and site reconnaissance, indicate
that there is evidence of recognized or historical environmental conditions on the subject
property concerning hazardous materials or hazardous wastes, as follows:
1. Removal of underground aviation fuel storage tanks in 1996 with limited petroleum
impacted soil remaining in the subsurface, no further regulatory action required;
2. Removal of petroleum impacted soil in 1991 from a surface impoundment under a
Cleanup & Abatement Order(No. 91-713), no further regulatory action required;
3. Continuing State agency investigation into any possible environmental impacts from
the former Garriott Crop Dusting facility located adjacent to the Airpark at 2010
South Union Avenue. The investigation case, initiated in the 1980's, is still open, but
does not appear to be currently active.
The former Garriott Crop Dusting facility location is both off-site and hydrologically down
gradient of the Airpark. Extensive investigations and prior cleanup activities have
demonstrated that the Airpark property itself does not currently pose any environmental
risk. Any further investigations into possible off-site impacts resulting from the former
Garriott Crop Dusting operations are not expected to affect the Airpark property itself.
Accordingly, no Phase II site assessment is required of the airpark property.
8.0 References
1. American Society for Testing and Materials Standards. 2005. Environmental Site
Assessment: Phase I Environmental Site Assessment Process. ASTM 1527-05.
2. City of Bakersfield Fire Department records.
3. State of California, Department of Conservation, Division of Oil, Gas and Geothermal
Resources (DOGGR). 2008. www.conservation.ca.gov/lndex/Pages/Index.aspx.
4. State of California, Department of Toxic Substances Control.
www.envirostor.dtsc.ca.gov/l)ublic
5. City of Bakersfield Aerial Photographs for years: 1947, 1959, 1975, 1990, 1995, & 2009
13