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03 August 1999 <br /> AGE-NC Project No 95-0121 <br /> Page,4 of 7 <br /> clearance obtained through Underground Service Alert <br /> 3 2 FORTY-EIGHT HOUR GROUND WATER PUMP TEST _ <br /> A 48-hour ground water pump test is proposed at the site to evaluate the feasibility of induced <br /> - ground water draw-down in conjunction with SVE The proposed pump test will consist of a 48- <br /> hour ground water pump(draw-down) test The proposed draw-down pilot test will be designed to <br /> obtain general aquifer characteristics such as hydraulic conductivity,transmissivity and drawdown <br /> at various pumping rates, the pump test will evaluate feasibility of ex-situ ground water pump and <br /> treat as a remedial alternative Field procedures for a ground water draw-down test are presented in <br /> Section 4 2 <br /> ' r <br /> 3 3 MICROBIAL ENUMERATION AND PHYSICOCHEMICAL ANALYSIS <br /> AGE proposes to advance two soil probe borings to determine feasibility of bioremediation at the <br /> • site Proposed soil boring locations are illustrated in Figure 2 <br /> Based on site conditions encountered beneath the former UST area, AGE proposes advancement of <br /> probe borings in the following locations <br /> • Approximately 5 to 15 feet east of EW-1, <br /> • Approximately 5 to 15 feet west of EW-1 _ <br /> Initially, each probe boring will be advanced to 40 feet bsg However, total depths of probe borings <br /> will be based on field observations and field screening using an organic vapor monitor(OVM) Soil <br /> samples will be collected from each boring at five-foot intervals beginning at 15 feet bsg to the total <br /> depth Field procedures for advancement of borings and collection of soil samples are presented in <br /> Section 4 2 - <br /> Selected soil samples will be submitted to a microbiological laboratory for microbial enumeration <br /> and physicochemical analysis to determine feasibility of bioremediation at the site Results of the <br /> bioremediation analysis will provide an evaluation of natural occurring micro-organisms and <br /> characterize physicochemical conditions at the site to support microbial growth and bioremedial <br /> activity <br /> Laboratory reports for 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 /> Advanced Geo£m tronmental,Inc <br />