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r <br /> 12,000 µg/1 BTEX compounds were detected in the same samples at concentrations as high as <br /> 210,000 µg11 benzene, 540,000 µg/1 toluene, 630,000 µg11 ethylbenzene and 3,820,000 µg/1 total <br /> xylenes (133) Oil and grease was detected to the samples collected from B1, B2 and B3 at <br /> concentrations as high as 1,500,000 gg/l(B3) BTEX compounds were detected in the ground water <br /> samples at concentrations as high as 8 5 pg/1 benzene, 150 µg/1 toluene, 120 gg/l ethylbenzene and <br /> 1,300 gg/1 total xylenes Seven additional volatile organic compounds were detected in the ground <br /> water samples at concentrations ranging from 2,100 µg/1 to 2,000,000 pg/l Fuel additives were not <br /> detected at or above laboratory reporting limits in the ground water samples <br /> SITE STRATIGRAPHY <br /> I' <br /> Generally, light brown to bluish gray, damp to moist, silty clay, clayey silt to silt with sand were <br /> encountered from surface grade to approximately 10 feet bsg and at 20 and 25 feet bsg Bluish gray <br /> to very dark red, moist, silty sand was encountered at 15 feet bsg and at 30 feet bsg in boring B3 <br /> Moderate brown to very dark red,very moist, sandy silt to silt with sand was encountered at 30 feet <br /> bsg Hydrocarbon odor was observed in soil samples from borings B1 through B4 Organic vapor <br /> was detected in the soil samples collected from bonngs B 1 through B4 at concentrations as high as <br /> 976 parts per million (B1-20) <br /> lie <br /> I <br /> I , <br /> I <br />' Advanced GeoEnvironmentai,Inc <br />