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l <br /> r10 August 1999 <br /> • AGE-NC Project No 97-0333 <br /> Page 5 of 9 <br /> i <br /> Fuel oxygenated compounds including MTBE, tertiary-butyl alcohol (TBA), di-isopropyl <br /> ether(DIPE), 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 assurance/quality 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 /> iFollowing AS well installation,the well will be developed to maximize water flow into the well and <br /> Lu minimize the amount of fine-grained sediment drawn into the well during pumping or bailing <br /> Procedures for well installation and development are presented in Sections 4 1 and. 4 2, respectively <br /> ' 34 PILOT STUDIES <br /> Following well installations, a pilot study is proposed to evaluate several alternatives for soil and <br /> ground water remediation, the proposed pilot studies should consist of an eight-hour ground water <br /> pump(drawdowri)pilot test, a 48-hour in-situ air sparge(IAS) pilot test and an eight-hour SVE pilot <br /> test <br /> The proposed drawdown pilot test will be designed to obtain general aquifer characteristics such <br /> as hydraulic conductivity, transmissivity 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 IAS pilot test is designed to evaluate feasibility of stripping and volatilizing <br /> dissolved petroleum hydrocarbons (air sparging) as a ground water remediation method at the site <br /> The results of the IAS pilot test will provide a general air sparging radius of influence for design <br /> of an in-situ air sparge system <br /> advanced GeoEmironmenta 1,III <br />