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Appendix B - Site Background Information Former Fisco Warehouse Page 4 of 6 and submitted for laboratory analysis for TPH-g, TPH-d, BTEX, EDB, 1,2-DCA, and the suite of five fuel additives. Ground water samples were collected from: CPT-1 between 92 feet and 96 feet bsg (CPT-1-92-96); CPT-2 between 76 feet and 80 feet bsg (CPT-2-76-80) and between 92 feet and 96 feet bsg (CPT-2-92-96); and CPT-3 between 74 feet and 78 feet bsg (CPT-3-74-78) and between 92 feet and 96 feet bsg(CPT-3-92-96). Groundwater samples CPT-2-76-80 and CPT-3-74-78 were collected from HU 1.TPH-d was detected in sample CPT-3-74-78 at a concentration of 64 micrograms per liter(gg/1). Total xylenes were detected in sample CPT-2-76-80 at a concentration of 0.97µg11.No other target analytes were detected in samples CPT-2-76-80 and CPT-3-74-78. Ground water samples CPT-1-92-96 and CPT-2-92-96 were collected from HU2; sample CPT-3-92-96 was collected at the boundary between HU2 and HU3.TPH-g and TPH-d were detected in sample CPT-1-92-96 at concentrations of 530 µg11 and 98 gg/l, respectively. Toluene, ethylbenzene, and total xylenes were detected in sample CPT-1-92-96 at concentrations of 9.9 µg/l,20 gg/l,and 140 gg/l,respectively.No other target analytes were detected in the samples from HU2. Benzene and fuel additives were not detected at or above laboratory reporting limits in any of the ground water samples. The general count of heterotrophic organisms in soil sample CPT-1-31 was 12.2 x 105 colony-forming units/gram (cfu/g) and the selective count was 2.1 x 105 cfu/g, which indicated a moderate population of organisms capable of gasoline metabolism. However, the nutrient concentrations were at moderate to high levels to sustain ongoing bioremediation;nitrates(NOA phosphate(POA and ammonium(NH,)were detected in the sample at concentrations of 57.2 parts per million (mg/kg), 22 mg/kg, and 28.38 mg/kg, respectively. The moisture content (MC) of the soil sample was 23%. On 14 January 2002, an 8-hour SVE pilot test was conducted at the site using vapor well VW-2, screened from 15 feet bsg to 35 feet bsg, as the extraction well. The pilot test was performed to provide SVE data prior to installation of a full scale remediation system. TPH-g was detected in the soil vapor samples at concentrations ranging from 1,300 gg/1 to 2,700 gg/l. Toluene, ethylbenzene, and total xylenes were detected in the vapor samples at concentrations as high as 47 µg/1 toluene, 30 gg/l ethylbenzene, and 220 µg/1 total xylenes. Benzene and MTBE were not detected at or above laboratory reporting limits in the gas/vapor samples. Advanced GeoEnvironmental,Inc