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1 I <br /> i I I <br /> 1 06 December 2002 <br /> AGE-NC Project No 97-0333 <br /> Page 5 of 9 ' <br /> ` 41 <br /> wells Copies of field data and logs are in Appendix E Purged groundwater was containerized in <br /> 55-gallon drums and was stored on-site in an area lacking general public access I <br /> 3 2 ; FLOATING PETROLEUM PRODUCT <br /> Due to the presence of approximately 4 to 5 Inches of a dark orange-brown, floating petroleum <br /> product in wells MW-2 and MW-6(Appendix E),a clear,disposable polyethylene bailer was utilized <br /> at each well to remove the floating petroleum product, balling activities continued until product <br /> could not be observed <br /> The floating petroleum product captured from balling activities was placed inside a D O T-approved <br /> II <br /> steel drum and stored at the southeast section at the site in an area lacking public access <br /> I <br /> 3 3 GROUND WATER SAMPLING <br /> I <br /> i ' I <br /> Following well purging at wells MW-1, MW-3, MW-4 and MW-5, ground water levels in the <br /> . monitoring wells were allowed to achieve a minimum of 80 percent recharge prior to sample <br /> 1 were collected from each of the purged wells utilizing new, <br /> collection Ground water samples p g g <br /> disposable polyethylene bailers and transferred Into 40-m1 EPA-approved VOA vials containing 0 5 <br /> ml 18% hydrochloric acid as a sample preservative and one-liter amber bottles without a sample If <br /> preservative Care was taken to ensure that visible air-bubbles were not present in the vials after , <br /> filling and capping Ground water sample containers were labeled with the well designation, date, <br /> ' time, and sampler's initials <br /> I <br /> I , <br /> I , <br /> 3 4 LABORATORY ANALYSIS'OFI GROUND WATER SAMPLES <br /> Each groundwater sample was logged on a chain-of-custody form,placed in a chilled container and <br /> transported to a DHS-certified laboratory for analysis for <br /> • TPH-g and TPH-d by EPA Methods 5030/8015 land 8015B, <br /> • BTEX with MTBE by EPA Method 8020, and , <br /> I I I F I <br /> •' Volatile organic carbons, including 1,2-Dichloroethane (1,2-DCA), ethylene dibromide <br /> (EDB), and the gasoline additives TBA, DIPE, ETBE, TAME and, MTBE by.EPA <br /> i I ' <br /> Method 8260 , <br /> I <br /> L' <br /> M , Advanced GeoEnvironmental,Inc <br /> ,I <br /> d , I <br /> II <br /> Jr, <br />