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15 July 1998 <br /> AGE-NC Project No. 98-0450 <br /> Page 3 of 5 <br /> each 6-inch Iength of the sampler(blow counts) are to be recorded on boring logs compiled by an <br /> AGE staff geologist. <br /> Upon sample retrieval, the leading brass sleeve will be removed from the sampler. The ends of the <br /> sleeve will be immediately covered with Teflon sheets and sealed with plastic end caps secured with <br /> tape. The preserved samples will then be immediately placed under ice in a chilled container for <br /> transportation to a state-certified laboratory. Each soil sample sleeve will be labeled with boring <br /> location, vertical depth, sampling time, date and sampler's initials. <br /> 3.2. EQUIPMENT DECONTAMINATION <br /> All sampling tools and brass sleeves used for sample collection will be thoroughly rinsed with clean <br /> water after washing with a solution of Alconox. All auger stems will be streamed cleaned prior to <br /> advancement in each boring location. <br /> 3.3. LABORATORY ANALYSIS <br /> Selected soil and grab ground water samples will be analyzed for total petroleum hydrocarbons <br /> quantified as gasoline and diesel (TPH-g and TPH-d), volatile aromatic hydrocarbons (benzene, <br /> toluene, ethyl benzene and total xylene: BTE&X) and other oxygenated fuel additives tertiary butyl <br /> alcohol (TBA), di-isopropyl ether(DIPS), ethyl tertiary butyl ether(ETRE) and tertiary amyl methyl <br /> ether (TAME) in accordance with EPA methods 8015m/5030 and 8020/602 and 826018260111. If <br /> field observations indicate that other petroleum hydrocarbons are present, additional analysis may <br /> be necessary. <br /> Selected soil samples may also be analyzed for intrinsic permeability, moisture content and porosity <br /> in accordance with the appropriate EPA or ASTM methods. Additionally two soil samples will be <br /> analyzed for physicochemical and bio-enumeration by an independent microbiologist, to determine <br /> natural-biodegradation of the hydrocarbon-impacted soils at the site. <br /> Laboratory reports of soil analyzes, testing methods, laboratory quality assurance/quality control <br /> (QA/QC) reports, and sample chain of custody documentation will be presented in a report with the <br /> findings and recommendations. <br /> Adranced Geo Environ mental.Inc. <br />