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5� •_ -- "41'-'_Yin•« Ts-C". _ :�. __ _ _ � �vp. - _ .. _ <br /> �7 <br /> f <br /> Pf- <br /> 3 <br /> ( =� Golden Grain: Company <br /> 202/799-5065 <br /> August 3, 1988 <br /> I <br /> agencies would be notified as to the.,rationale for <br /> relocation. <br /> �= Conduct drilling using a truck-mounted rig equipped <br /> E <br /> with 7.5-inch outside diameter (Q.D. ) hollow--stem <br /> augers. subsurface lithology would be logged by the <br /> supervising field geologist present during drilling. <br /> Analyze selected soil samples from the new borings far <br /> concentrations of total petroleum hydrocarbons (TPH) as <br /> gasoline; benzene, toluene, ethylbenzene and xylene <br /> (BTEX) ; organic lead; and Ethylene Dibromide (EDB) <br /> Construct 2-inch PVC monitor wells in each baring using <br /> i similar construction as existing wells. <br /> Collect groundwater samples for analyses of TPH as <br /> ,. gasoline, BTEX, organic lead and EDS from wells not <br /> impacted with free floating products. <br /> Conduct sieve analysis of selected soil samples <br /> obtained from soil borings for design and selection of <br /> recovery well screen and filter pack. <br /> w Drill, install, complete and develop one 12-inch O.D. <br /> well within a 24-inch bore hole, to a depth of 40 feet. <br /> Design any necessary groundwater treatment process <br /> (e.g. air stripping or carbon adsorption) . <br /> Provide utility service to the recovery well head, <br /> -- <br /> `'" including electrical- sewer-discharge and--product.. <br /> recovery lines. <br /> , V <br />