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' 17 April 2000 <br /> AGE-NC Project No 00-0696 <br />' Page 5 of 7 <br />' are Included in Appendix A <br />' 4 2 FIELD EVIDENCE OF HYDROCARBON-IMPACTED SOIL AND GROUND WATER <br /> Stong to Intense hydrocarbon odor was noted in soil samples collected from B-1 at depths of 5 feet <br /> bsg and 10 feet bsg and from B-2 at a depth of 10 feet bsg Faint hydrocarbon odor was noted in soil <br /> samples collected from B-1 at 15 and 20 feet bsg, from B-2 at 5 and 15 feet bsg, and from B-3 at 10 <br /> feet bsg Petroleum hydrocarbon odor is noted on boring logs contained In Appendix A <br /> Organic vapor was detected in soil samples from B-1 through B-3 using a PID at concentrations as <br /> high as 121 parts per million (ppm) Organic vapor field measurements are summarized on the <br />' boring logs contained in Appendix A <br /> Strong petroleum hydrocarbon odor was noted in grab ground water samples collected from probe <br /> borings B-1 through B-4 <br /> • <br /> 43 ANALYTICAL RESULTS OF SOIL SAMPLES <br /> A total of seven samples were submitted to a DHS-certified laboratory(Alpha Analytical Inc ) for <br /> analysis as noted above TPH-g was detected in one of the soil samples collected from B-1 through <br /> B-4 TPH-g was detected in the soil sample collected from B-2 at 10 feet bsg at a concentration of <br /> 14 milligrams per kilogram (mg/kg) <br /> No BTEX compounds or fuel oxygenated compounds were detected by laboratory analysis of the <br /> seven soil samples Analytical results of soil samples are summarized in Tables 1 & 2 Copies of the <br /> laboratory report (Alpha Analytical Inc Lab order number A00032311) and chain-of-custody form <br /> are included in Appendix B <br /> I <br /> 4 4 ANALYTICAL RESULTS OF GROUND WATER SAMPLES <br /> Grab ground water samples were collected from boring B-1 through B-4, samples from B-1 and B-2 <br /> were submitted to DHS-certified laboratories for analysis as noted above TPH-g was detected in the <br /> ground water samples at concentrations of 120,000 micrograms per liter (µg/1), and 15,000 µg11, <br /> respectively <br /> BTEX compounds were detected in the ground water samples at concentrations ranging as high as <br /> 56,000 µg/l, dissolved benzene was detected at concentrations as high as 21,000µg/1 (B-2) <br /> Advanced GcoEnvironmental,Inc I <br />