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r i 1 ` 06 June 2003 h, AGE-NC Project No 95-0135 Page 5 of 7 ! Hydrological units are depicted in cross sectional view A-A' (Figures 3) J n i 3 3 LABORATORY RESULTS OF GRAB GROUND WATER AND SOIL SAMPLES` m A total of eleven grab ground water samples and two soil samples were collected from HU2 and I HU3 and submitted for laboratory analysis for the constituents listed in Section 2 2 E _ HU2 Grab ground water samples CPT 1-88, CPT2'80, CPT3-55,,CPT3-75, CPT4-48 and CPT4-82 and soil samples CPT4-60 and CPT4-75 were collected from HU2 (Table 2) TPH-g was detected in all grab water samples except CPT4-48 at concentrations ranging from 100 µg/1 (CPT3-55) to 1,800 µg/1 (CPT1-88) TPH-g was not detected in the soil samples The BTEX compound benzene was detected in water samples CPTI-88 and CPT4-88 at concentrations of 34µg/1 and 2 7 µg11,respectively,and in soil sample CPT4--60 at 0 034 milligrams per kilogram (mg/kg) In addition, toluene was detected in water sample CPTI-88 at 2 7 µg/1 and xylenes were detected in water sample CPT 1-88 and CPT4-88 at 6 6 µg/l and 2 0µg11,respectively LDIPE was the only fuel additive detected in HU2, at a concentration of i 1 µg/1 (CPT1-88) HU3 Grab ground water samples CPTI-115, CPT2-115, CPT3-100, CPT3-122 and CPT4-125 were collected from HU3 (Table 2) ; Iw t TPH-g was detected in all grab water samples at concentrations ranging from 140 µg/1 (CPT4-125) to 1,400 µg/1 (CPT3-122) The BTEX compound benzene was detected in water samples CPT 1-115' CPT3-100,CPT3-122 and CPT4-125 at concentrations of between 37 µg/1(CPT4-125)and 370 µg/1 (CPT3-122) In,addition, M toluene was detected in water sample CPT3-122 at 10 µg/1 and xylenes were detected in water sample CPT2-115 and CPT3-122 at 4 9 µg/1 and 11 µg/1 , respectively DIPE was the only fuel additive detected in HU3, at a concentration of 6 2 µg/1 (CPTI-115) Advanced GeoEnvironmental,Inc � i