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• 10 May 1999 <br /> AGE-NC Project No 95-0103 <br /> Page 3 of 5 <br /> site mobile laboratory analytical laboratory for analysis <br /> • Total petroleum hydrocarbons quantified as gasoline (TPH-g) in accordance with EPA <br /> Method 8015 Modified (or equivalent), <br /> • Volatile aromatics (benzene, toluene, ethylbenzene and xylenes BTE&X) in accordance <br /> with EPA Method 8020 (or equivalent) and <br /> • methyl-tertiary butyl ether(MTBE),tertiary butyl alcohol (TBA),di-isopropyl ether(DIPE), <br /> ethyl tertiary butyl ether(ETBE) and tertiary amyl methyl ether(TAME) in accordance with <br /> EPA Method 8260 Modified <br /> Laboratory reports of both soil and ground water analysis, testing methods, laboratory quality <br /> assurance/quality control (QA/QC) reports and sample chain-of-custody documentation will be <br /> presented in a report with the findings and recommendations <br /> 3.0. FIELD PROCEDURES <br /> iAll field procedures will be overseen by an AGE representative and synopsis and reporting will be <br /> under the supervision of a California Registered Geologist Procedures for the soil sampling, grab <br /> water collection and sample analyses, ground water sampling, equipment decontamination and soil <br /> boring abandonment are outlined below <br /> 3 1 PROBE BORING ADVANCEMENT <br /> Probe borings will be advanced using AGE's van-mounted Geoprobe 5400 direct-push probing unit <br /> equipped with 1 5-inch probing rods The Geoprobe advances soil probe borings using a hydraulic <br /> or pneumatic hammer to drive soil and ground water sampling tools to specified depths <br /> 32 SOIL SAMPLING PROCEDURES <br /> Soil samples will be collected using Geoprobe push-driven 1 5-inch diameter discrete sample leaded <br /> with four six-inch brass sleeves Upon removal from the sampler, the brass sample sleeve will be <br /> separated with a knife The exposed ends of the second sleeve will be covered with Teflon sheets <br /> or aluminum sheets, capped and sealed with tape <br /> Soil samples recovered from the bonngs will be visually classified by an AGE geologist in <br /> accordance with the Unified Soil Classification System(USCS) Soil sample duplicates will be field <br /> Advanced GeoEnvironmental,Inc- <br />