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' 24 September 1999 <br /> AGE-NC Project No. 96-0232 <br /> ' Page 7 of 12 <br /> ' The proposed ground water monitoring wells shall be advanced approximately 25 feet bsg.However, <br /> total depths of wells may vary according to hydrogeologic conditions during drilling activities. Field <br /> procedures for advancement of borings and well installations are presented in Section 4.1. <br /> ' Selected soil samples will be analyzed by a DHS-certified laboratory for the following constituents: <br /> ' • TPH-g and TPH-d in accordance with EPA Method 8015 Modified/5030; <br /> • BTEX compounds and MTBE in accordance with EPA Method 8020; and <br /> • Fuel oxygenates including MTBE,TBA,di-isopropyl ether(DIPS), ethyl tertiary-butyl ether <br /> (ETBE) and tertiary-amyl methyl ether(TAME) by EPA Method 8260 Modified. <br /> ' Laboratory reports for soil analysis, 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 /> ' 3.4. PILOT STUDY <br /> ' Following well installations, a pilot study is proposed at the site to evaluate several alternatives for <br /> soil and ground water remediation; the proposed pilot study should consist of an eight-hour ground <br /> water pump (drawdown) pilot 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 would evaluate the potential of induced ground water drawdown <br /> for plume capture in conjunction with SVE; the pump test will also help to evaluate the feasibility <br /> tof ex-situ ground water "pump and treat" as a remedial alternative. <br /> ' 3.5. DOWN-HOLE CAMERA PROBE <br /> Since well construction details are not readily available for the domestic drinking water well <br /> located at Rocky's Restaurant, a down-hole camera video-probe is proposed to identify the <br /> screened interval of the well and to assess the integrity of the well. <br /> ' 3.6. PREPARATION OF CORRECTIVE ACTION PLAN <br /> ' Upon completion of the pilot study, a corrective action plan (CAP) will be prepared presenting the <br /> Advanced GeoEnvironmental,Inc. <br /> 1 <br />