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10 August 1999 <br /> AGE-NC Project No 97-0333 <br /> Page 5 of 9 <br /> • Fuel oxygenated compounds including MTBE, tertiary-butyl alcohol (TBA), ch-isopropyl <br /> ether(RIPE), ethyl tertiary-butyl ether(ETBE)and tertiary-amyl methyl ether(TAME)by <br /> EPA Method 8260 Modified <br /> Laboratory reports for the soil analyses,testing methods,laboratory quality assuranWqualnty control <br /> (QA/QC) reports, and sample chain of custody documentation will be presented in a report with <br /> findings and recommendations <br /> Selected soil samples will be analyzed by a microbiological laboratory for microbial enumeration <br /> and physicochemical characteristics, selected soil samples may also be analyzed for intrinsic <br /> permeability, moisture content, porosity and total organic carbon (TOC) in accordance with the <br /> appropriate EPA or ASTM methods Laboratory reports for soil analysis and sample chain of <br /> custody documentation will be presented In a report with findings and recommendations <br /> 3 3 WELL INSTALLATION AND DEVELOPMENT <br /> loIlowuig AS well installation,the well will be developed to mmrmze water flow into the well and <br /> to MIMMIze the amount of fine-grained sediment drawn into the well during pumping or bailing <br /> Procedures for-veli tristpllatior,F_. d devclopxnc,it arc px%5�;ntid i Ser-t1GL,-! 4 1 Alii d 2,r-_Spr,:=vt.ly <br /> -E i' ?.ry 31 Z J.1�L1.ILM <br /> Follo-wing well installations, a pilot study is proposed to evaluate several alternataves for soil and <br /> ground watcrremedaatton;the proposed pilot studies should consist of an eight-boor ground eater <br /> pump(drawdown)pilot test,a 48-hour nn-situ air sparge(1AS)pilot test and an eight-Dour SVE pilot <br /> test <br /> The proposed drawdown pilot test will be designed to obtain general aquifer characteristics such <br /> as hydraulic conductivity, trarnsmnssivity and drawdown at various pumping rates Results of the <br /> eight-hour drawdown pilot test will be used to evaluate feasibility of induced ground water <br /> drawdown in conjunction with SVE, the pump test will provide data to evaluate feasibility of ex <br /> situ ground water "pump and treat" as a remedial alternative <br /> The proposed 48-hour JAS pilot test is designed to evaluate feasibility of stripping and N olatilizmg <br /> dissolved petroleum hydrocarbons (air sparging) as a groundwater remediation method at the site <br /> I`he results of the IAS pilot test will provide a general air sparging radius of influence for design <br /> of an in-situ air sparge sYstern <br /> ei+/ta+nCr[�trnf"rY "Pllil�filc, r <br />