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5.0 PREVIOUS STUDIES <br /> . 5.1 ONSITE <br /> No environmental or geotechnical studies were available for review on the property. <br /> 5.1 OFF-SITE <br /> GRANT LINE GAS AND FOOD <br /> Date: June 21 1993 <br /> Subject: Soil sampling at the location of the former product lines and stockpile soil <br /> Prepared by: Advance Soil Technology, Inc. <br /> Addressee:Grant Line Gas and Food <br /> Summary: Four soil samples were collected from former product line trenches and one sample was collected <br /> from stockpiled soil for chemical analysis. Elevated levels of gasoline and BTEX were reported in 3 of the 4 <br /> product line samples collected. Peak gasoline and BTEX concentrations were reported at 23 parts per million <br /> (ppm), 26 parts per billion (ppb), 33 ppb, 38 ppb and 93 ppb, respectively. Reported total lead concentrations <br /> ranged from 20 to 24 ppm. Volatile organics by EPA Test Method 8010 were nondetect in the soil samples <br /> collected. <br /> Date: July 9, 1993 <br /> Subject: Underground Tank and Removal <br /> Prepared by: Advance Sol] Technology, Inc. <br /> Addressee:Grant Line Gas and Food <br /> Summary: Three fuel underground storage tanks (USTs) were excavated and removed from the property on <br /> June 30, 1993. Elevated levels of gasoline and BTEX were reported in 7 of the 8 soil samples collected from <br /> beneath the removed USTs. Peak gasoline concentrations were reported at 360 ppm. Peak BTEX concentrations <br /> were reported at 77 ppb, 180 ppb, 250 ppb and 740 ppb, respectively. A grab water sample collected from the <br /> base of the tank removal excavation had gasoline concentrations of 100 ppm, and BTEX concentrations of 72 <br /> ppb, 99 ppb, 110 ppb and 360 ppb, respectively. Diesel fuel was reported as non-detect. <br /> JN 40007-M8-0I <br /> 14\imw\97-06jLa arcotrac.doc <br /> 5-1 <br />