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SECTIONTWO Summary of Field Sampling and Laboratory Analyses In Boring 13-1, TPH-diesel and xylenes were detected in all the soil samples from 10- to 40-ft bgs Ethylbenzene was detected in all these except for sample B-1-15'-15'5 Maximum reported concentrations in B-1 were as follows 0 22,000 mg/kg TPH-diesel (sample B-1-10'-10 5'), 0 0 016 mg/kg ethylbenzene (sample B-1-35'-35 5'), and 0 0 055 mg/kg xylenes (sample B-1-35'-35 5') Relatively low concentrations of TPH-diesel (38 mg/kg at 12-ft bgs, and 13 mg/kg at 25-ft bgs) were measured in two samples from Boring B-2 BTEX constituents were not detected in the samples from Boring B-2 No positive detections were reported from Boring B-3 i Relatively low concentrations of TPH-diesel were measured in one sample from Boring B-4 (27 ■ mg/kg at 10-ft bgs), which was drilled through the gasoline-UST location This detection may represent long-chain constituents of gasoline BTEX constituents were not detected in the samples from Boring B-4 In Boring B-5, which was located to the west of the diesel-UST location, elevated concentrations of TPH-diesel were reported from the samples at 25- and 31-ft bgs (1,800 mg/kg and 3,200 mg/kg, respectively) A trace level (1 1 mg/kg) was reported from the 20-ft bgs sample Low concentrations of ethylbenzene and/or xylenes were reported from the 20-ft, 25-ft, and 31-ft bgs samples in Boring B-5 Maximum values were 2 2 mg/kg for ethylbenzene (at 25 ft bgs) and 2 2 mg/kg for xylenes (at 25 ft bgs) The laboratory was not able to report BTEX for sample for B- 5-3-315 because of equipment failure 2.2 2 Shallow Groundwater Analytical Results Table 2-2 presents the laboratory results for the water sample from the site Results above the detection limit are bolded TPH-diesel was detected at 94,000 mg/l TPH-gasoline was reported at 12,000 mg/1, probably this detection represents short-chain constituents of diesel fuel MTBE was not detected The following nBTEX constituents were reported benzene at 0 028 mg/l, ethylbenzene at 0 022 mg/l, toluene at 0 58 mg/l, and xylenes at 2,400 mg/1 2.3 WELL SURVEY A survey of all domestic, agricultural, industrial, and municipal wells within a 2,000-foot radius of the site was conducted by Vista Information Solutions, Inc The survey is attached to this Report as Appendix C The survey showed five wells within 2000 feet of the site The nearest well is No 1 (see Map Appendix Q located about 1/a-mile to the southwest That well is 440 feet deep The well construction details are shown in Table 2-3 Water Well Drillers reports for these wells are retained as confidential information in the URSGWC files URS Greiner Woodward Clyde 1109967049\UST REPORT CHEROKEE DOC122 SEP 9911OM 2-2