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ARCHIVED REPORTS_XR0007105
EnvironmentalHealth
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3500 - Local Oversight Program
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PR0544811
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ARCHIVED REPORTS_XR0007105
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Last modified
11/20/2024 9:21:18 AM
Creation date
9/5/2019 1:33:56 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
3500 - Local Oversight Program
File Section
ARCHIVED REPORTS
FileName_PostFix
XR0007105
RECORD_ID
PR0544811
PE
3528
FACILITY_ID
FA0000091
FACILITY_NAME
Colonial Energy CE 40138 (DBA Power Mart)
STREET_NUMBER
14000
Direction
E
STREET_NAME
STATE ROUTE 88
City
LOCKEFORD
Zip
95237
CURRENT_STATUS
02
SITE_LOCATION
14000 E HWY 88
P_LOCATION
99
P_DISTRICT
004
QC Status
Approved
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EHD - Public
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4 <br /> • SUMMARY OF ENVIRONMENTAL ACTIVITIES <br /> JACKPOT FOOD MART, 14000 E HIGHWAY 88, LOCKEFORD, CALIFORNIA <br /> PROPERTY 04-049 <br /> Current as of January 25, 9996 <br /> Underground Storage Tank Removal - September 1991 <br /> On September 17, 1991, three underground storage tanks with volumes of 12,000 gallons, 8,000 gallons, <br /> and 6,000 gallons were removed from the subject site The tank removal was performed by Scott Co <br /> Contractors and consultant services were provided by Canonie Environmental <br /> Upon removal, mild surface corrosion was present on each of the tanks, however, it did not appear that <br /> any of them had leaked In the vicinity of the tank bed, native soil consisted of fine sand and a small <br /> amount of clay was encountered at a depth of 16 feet in the southeast comer of the excavation <br /> Groundwater was not encountered within the excavation to a depth of 20 feet <br /> At the direction of a representative of the San Joaquin County Public Health Services Environmental <br /> Health Division (PHS/EHD), sod samples were collected from the tank excavation and from beneath <br /> each of the former pump islands All samples were submitted to a laboratory and analyzed for total <br /> petroleum hydrocarbons (TPH) as gasoline by EPA Method 8015 and benzene, toluene, ethylbenzene, <br /> and xylenes (STEX) by EPA Method 8020 Samples collected from beneath the 12,000 gallon tank, <br /> 8,000 gallon tank and pump islands were also analyzed for ethylene dibromrde and total lead <br /> TPH was indicated in the samples collected from the tank excavation at concentrations ranging from <br /> • "non-detect" to 8,900 ppm, with the highest concentrations being present beneath the west (fill) end of <br /> the 8,000 gallon tank and the east end of the 6,000 gallon tank TPH and BTEX were not detected in the <br /> samples collected beneath the former pump islands <br /> During the removal of the tanks, approximately 150 cubic yards of fill material were removed from the <br /> excavation and placed on plastic sheeting on the east edge of the property Analysis of 6 soil samples <br /> collected from the stockpile indicated TPH levels ranging from "non-detect" to 2700 ppm After <br /> collection of the samples, the fill sand was used to backfill the excavation with the intention of <br /> remediating it concurrently with cleanup of the rest of the site <br /> A copy of Canonie Environmental's "Preliminary Investigation Report" was forwarded to the PHS/EHD <br /> and California Regional Water Quality Control Board (CRWQCB) on January 2, 1992 <br /> Workplan for Additional Site Activities=July 1992 <br /> Based on the results of samples collected during the tank removal, a workplan for the completion of a <br /> site assessment was forwarded to the PHS/EHD and CRWQCB on July 27, 1992 The workplan outlined <br /> the tasks to be completed during site assessment <br /> 1 A soil vapor survey would be conducted to help define the vertical and lateral extent of <br /> contamination in the area of the former gasoline tanks <br /> 2 Based on the results of the soil vapor survey, soil borings would be advanced at the estimated <br /> limits of the contamination plume <br /> 3 Additional bonngs would be placed within the area of contamination and completed as vapor <br /> extraction wells for use in a future remediation system The wells would be installed to a <br /> minimum depth of 40 feet or to 10 feet below the last observable contamination <br /> Authorization to proceed with the proposed work was received from the PHSIEHD on August 4, 1992 <br />
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