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Site Background Information: Larry's Auto Page 6 of 8 The fuel additives DIPE, TAME, and 1,2-DCA were detected. DIPE was detected in sample CPT-1-66 at a concentration of 2.3 µg/1.TAME was detected in samples CPT 1-66 and CPT5-67 at concentrations of 65 µg/1 and 120 µg/1, respectively. 1,2-DCA was detected in samples CPT I-66 and CPT5-67 at concentrations of 13 µg/l and 58 µg/1, respectively. HU3 Only one ground water sample (CPT5-108) was collected from the base of HU3. TPH-g was detected at 7,200 µg/l, BTEX compounds were detected at 980 µg/1 benzene, 560 µg/1 toluene, 570µg/1 ethylbenzene,and 1,530µg/1 xylenes;the fuel additives DIPE,TAME,and 1,2-DCA were detected at concentrations of 3.8 µg/l, 76 µg/1, and 34 µg/1, respectively. HU4 TPH-g was detected in samples CPTI-117,CPTI-135,and CPT6-117 at concentrations of 450µg/1, 5,800 µg/1, and 240 µg/1, respectively. BTEX compounds were detected in samples CPTI-117, CPTI-135, and CPT6-117 at maximum concentrations of 180 µg/1 benzene, 690 µg/1 toluene, 240 µg/1 ethylbenzene, and 1,050 µg/1 total xylenes, in the sample from CPT I-135. Fuel additives were not detected. HU5 Only one ground water sample(CPTH-138)was collected from HUS;petroleum hydrocarbons were not detected in this sample. HU6 TPH-g was detected in samples CPT1-162 and CPTI-191 at concentrations of 1,500 µg/1 and 20,000µg/I,respectively. BTEX compounds were detected in samples CPT I-162 and CPT 1-191 at maximum concentrations of 89µg/1 benzene,220µg/1 toluene, 120µg/1 ethylbenzene and 910µg/l total xylenes, in sample CPT 1-191. Fuel additives were not detected. No additional petroleum hydrocarbons were detected at or above laboratory reporting limits. ANALYTICAL RESULTS OF SOIL SAMPLES Two soil samples were collected for laboratory analysis,one at the HUI/HU2 boundary(CPTI-60) and the other in HU6(CPT8-155).No petroleum hydrocarbons were detected at or above laboratory reporting limits. Advanced GeoEnvironmenlal,Inc