ARCHIVED REPORTS_XR0002449 - Laserfiche WebLink

Home Browse Search

Barnes Trucking Facility 1817 South Fresno Avenue, Stockton, California San Joaquin County Site Code No 2506 Clearwater Project No ZB 178H BACKGROUND (Investigation History) The Barnes Trucking Facility is located adjacent to the south corner of the intersection of State Highway 4 and South Fresno Avenue (Figure 1) The property is located approximately 1 3 miles south of the Port of Stockton Turning Basin and 0 75 males northeast of the San Joaquin River Currently, the site is used as a truck dispatch center and parking area There are no fuel-dispensing facilities stored or operating at the site A site pian map appears as Figure 2 1992- 1996 1n letters dated September 18, 1992 and April 30, 1995, the SJC/SJC/EHD indicated that additional investigation of this site was required because petroleum hydrocarbons were detected in soil samples collected from an underground storage tank (UST) excavation According to an April 30, 1996 SJC/SJC/EHD letter, two USTs were removed from the site on June 15, 1992 Both USTs were 10,000-gallon capacity tanks that had been used to store diesel fuel Four soil samples were collected from the bottom of the excavation at a depth of approximately 16 feet below ground surface (bgs) Soil samples were analyzed for total petroleum hydrocarbons as gasoline (TPHg), as diesel fuel (TPHd), as kerosene (TPHk), and as motor oil (TPHmo) Samples were also analyzed for benzene, toluene, ethylbenzene, and total xylenes (BTEX) The highest concentrations of TPHg, TPHd, and BTEX were detected at 5,700 milligrams per kilogram (mg/kg) TPHg, 50 mg/kg TPHd, and 48 mg/kg benzene TPHk and TPHmo were not detected in any of the four samples 1997 On September 25, 1997, Clearwater supervised the drilling of six soil borings to depths from 32 to 38 feet bgs Three of the borings SB-1, SB-2 and SB-3 were converted to