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i 28 August 2000 AGE-NC Project No. 98-0481 Page 7of8 4.1 SOIL PROFILE Generally, silt with sand was encountered from surface grade to 5 feet bsg. Fine to medium sand with silt is present from 5 feet to 20 feet bsg. Silty clay and medium sand were encountered at 23 feet bsg. Medium sand and clayey silt were encountered at 40 feet bsg, and brown, moist, silt with sand was Iencountered at 50 feet bsg. Boring logs are included in Appendix A. 4.2 FIELD EVIDENCE OF HYDROCARBON-IMPACTED SOIL AND GROUND WATER No hydrocarbon odor was noted in soil samples collected from SB-3 and SB-4. No hydrocarbon odor was noted in the grab ground water sample collected from soil boring SB-4. Organic vapor was not detected in soil samples collected from SB-3 and SB-4 using a PID. I 4.3 ANALYTICAL RESULTS OF SOIL SAMPLES A total of three soil samples were submitted to a DHS-certified laboratory (McCampbell Analytical Inc.) for analysis as noted above. TPH-g, TPH-d, BTEX compounds, and the suite of five fuel oxygenating compounds were not detected at or above the laboratory reporting limits in any of the soil samples submitted for analysis. IAnalytical results of soil samples are summarized in Tables 3 & 4. The laboratory report (McCambell Analytical Inc. Lab I.D. 32604 through 32606) and chain--of-custody are included in IAppendix B. I4.4 ANALYTICAL RESULTS OF GROUND WATER SAMPLES The grab ground water sample collected from boring SB-4 was submitted to a DHS-certified laboratory for analysis as noted above. None of the analytes were detected at or above the laboratory reporting limits in the grab ground water sample collected. Analytical results of the ground water sample are summarized in Tables 3 and 4. The laboratory report (McCampbell Analytical Inc. Lab ID 32603) and chain-of-custody are included in Appendix B. Advanced Geo Environmental,Inc.