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Site Background Information Waterloo Food& Fuel <br /> AGE-NC Project No 99-0559 <br /> Page 7of11 <br /> • CPT-7 was sampled at 70 fee (HU3)t, 100 feet (HU4) and 130 feet bsg (HUSU), and <br /> • CPT-8 was sampled at 70 feet (HU3), 100 feet (HU4), 125 feet (HUSU) and 165 feet bsg <br /> (HUSL/HU6) <br /> ANALYTICAL RESULTS OF GROUND WATER SAMPLES OCTOBER 2002 <br /> A total of nineteen discrete, ground water samples was collected from HU2,HU4,Upper HU5 and <br /> Lower HU5 and submitted for laboratory analysis <br /> HU2 <br /> Samples CPT4-70,CPT5-70,CPT6-70,CPT7-70 and CPT8-70 were collected from HU2,the upper <br /> most occurrence of ground water from the CPTs TPH-g was detected only in samples CPT4-70 and <br /> CPT8-70 at concentrations of 1,100 micrograms per liter (µg/l) and 150 µg/1, respectively The <br /> BTEX compounds toluene and xylenes were detected in sample CPT8-70 at concentrations of 14 <br /> µg/1 and 1 1 µg/l, respectively The fuel additive MTBE was detected in CPT4-70, CPT6-70 and <br /> CPT8-70 at a maximum concentration of 1,500 µg/1 (CPT4-70), ETBE were detected in CPT4-70 <br /> and CPT8-70 at a maximum concentration of 3 4 µg11 (CPT4-70), and 1,2-DCA was detected in <br /> CPT8-70 at 6 2 µg/1 In addition, the cleaning solvent TCE was detected in samples CPT5-70 and <br /> CPT8-70 at concentrations of 1,700 µg/1 and 10 µg/l, respectively, CPT-5 and CPT-8 are the <br /> westernmost bonngs of the investigation <br /> HU4 <br /> Samples CPT4-90, CPT5-100, CPT6-100, CPT7-100 and CPT8-100 were collected from HU4 <br /> TPH-g was detected in samples CPT4-90,CPT6-100 and CPT8-100 at concentrations of 2,000µg/1, <br /> 450 µg/1 and 180 µg/1, respectively The fuel additive MTBE was detected in samples CPT4-90, <br /> CPT6-100 and CPT8-100 at a maximum concentration of 2,600µg/1(CPT4-90),ETBE and TAME <br /> were detected in CPT4-90 at 25 µg/1 and 5 6 µg/1, respectively, and TBA and DIPE were detected <br /> in CPT8-100 at 630 µg/1 and 18 µg/1, respectively In addition, the solvent TCE was detected in <br /> samples CPT5-100 and CPT8-100 at concentrations of 5 2 µg/1 and 9 1 µg/1, respectively BTEX <br /> compounds were not detected in the HU4 samples <br /> HU5 Upper <br /> Samples CPT4-120, CPT5-130, CPT6-125, CPT7-130 and CPT8-125 were collected from Upper <br /> HU5 TPH-g was detected only in sample CPT6-125 at 190 µg/1, and the fuel additive MTBE was <br /> detected in samples CPT4-120, CPT6-125 and CPT8-130 at a maximum concentration of 91 µg/1 <br /> 4D (CPT6-125) No other analytes were detected in the Upper HU5 samples <br /> Advanced GeoEnvironmental,Inc <br />