ARCHIVED REPORTS XR0010526 - Laserfiche WebLink

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1.0 INTRODUCTION This report describes field and office activities that were performed during the third quarter of 2002 on behalf of Mr and Mrs James Fisk, owners of the property located at 8125 S El Dorado Street in French Camp, California(Figure 1) Mr and Mrs Fisk operate J&L Market and Service at this address, and-have been designated by the State Water Resources Control Board UST Cleanup Fund as the Responsible Party (RP) for petroleum contamination related to underground fuel tanks at that facility Contamination was discovered during the removal of three single-walled UST's and related piping in November 1995, and extensive interim remediation in the form of soil excavation then took place Upgradient Environmental Consultants (Upgradient Environmental) conducted further investigation in November 2001 to determine whether groundwater was impacted by the petroleum release, and submitted a Preliminary Investigation and Evaluation Report (PIER) in December 2001 Because evidence of groundwater contamination was obtained, the lead regulatory agency (the Central Valley Regional Water Quality Control Board [CVRWQCB]) requested the RP to install groundwater monitoring wells and begin quarterly well monitoring The wells were drilled and sampled in June and a quarterly report was submitted in July The second monitoring event took place in August, and this report presents those results 2.0 BACKGROUND In November 1995, Bob Evans Trucking, under contract to general contractor Elite IV, Inc , removed three underground fuel storage tanks (USTs) and related product lines and dispensers from the site Two of the tanks were 10,000 gallons in capacity, and the third was 2,000 gallons in capacity All three stored unleaded gasoline Upgradient Environmental witnessed the removal and collected fourteen soil samples from beneath the tanks and product lines and five from the excavated soil that had been stockpiled Hydrocarbons were.detected in only one of the nineteen samples (JL-P-3), and it appeared that a small petroleum release had occurred near one of the fuel dispensers (Figure 2) A work plan to remove the contaminated soil was prepared, and Elite IV was authorized by the local oversight agency (San Joaquin County, Public Health Services, Environmental Health Division [PHSIEHD]) to excavate the contaminated soil Excavation took place over a period of several days in mid-to-late November Personnel from Upgradient Environmental, using a portable photo-ionization detector (PID), screened the excavated soil and directed the excavation work Excavation was terminated when no further evidence of contamination was detected At completion, the excavation measured approximately 50 feet wide by 80 feet long by 40 feet deep (at the north end) A crane was used to lower a geologist from Upgradient Environmental into the excavation, and twenty samples were collected from the floor and sidewalls of the excavation to confirm that the contaminated soil had been removed The excavated soil (approximately 4,000 cubic yards)was transported to REMCO, Inc in Richmond, 2