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k wE <br /> - <br /> -Will <br /> _ <br /> - <br /> - wr cam• ,f-- <br /> s <br /> will be decontaminated prior to commencing drilling <br /> hole, Well construction <br /> necessary, Prior to materials will be cleaned as <br /> Installation. <br /> Equipment and <br /> conducted on an well material decontamination <br /> wi-LI be <br /> impermeabZoz, <br /> far air <br /> surface and all decontamination <br /> rack <br /> ef£Iueait will be <br /> Will be <br /> thoroughcontained. All surfaces of the equipment <br /> The equipment ly decontaminated using <br /> will be placed on a a steam cleaner. <br /> drying- The decontaminations water willdsore <br /> ials d in containers <br /> e <br /> certified for hazardous mater <br /> an approved manner, ge and disposed Of in <br /> Sample equipment to <br /> analysis will be be used for pesticides and or <br /> or equivalent washed in a nonphosphate detergent panic <br /> deionized grater and rinsed with to g (Alcnnox <br /> and finally with acet neater, followed by <br /> Is for metals analysis, the initial rinse will the equipment <br /> with 0.1 N nitric acid followed by tap water and dei <br /> water. 1 be conducted <br /> 7.0 anized <br /> Field Equipment Calibration and Maintenance <br /> The following measuring <br /> j Remedial Investigation. equipment may <br /> ' <br /> activity. 9ation. Equ3pment is b8 used during the <br /> for each Calibration procedures and frequency are listed <br /> Piece. <br /> ed <br /> Sole Borinvs and Well Dimensio <br /> tape. Calibration: ao'nes-Steel and coated cloth <br /> s <br /> Water Level Measurements in <br /> Calibration: Wells- Steel surveyors <br /> will manufacturer supplied temperature tape. <br /> Electrical appliedwell soas unders applicable correction <br /> Calibrations field conditions. <br /> J surveyor's tape. check against steel <br /> Dr anis V <br /> Dail a ors •: Photoionization detector, <br /> ld <br /> mann acturers ain <br /> truce on using a isobutylene`''stanard Calibration: <br /> i per <br /> tions. <br /> -w Groundwater 2H Measurement <br /> # standard PH solution 4 Digital AH meter. Calibration: <br /> daily field and ZQ wiZ:i be utilized for <br /> Instructions. <br /> calibration according to manufacturers <br /> i Electrical <br /> F Conductitrit -. -Electrical conductivity <br /> -.. Calib tion: facto <br /> calibrated against. labaratobrated annuall icall <br /> Y and periodicals <br /> 7 L solution. x1r prepared standard calibration ' <br /> Water Tem erature- - <br /> Calibrat1on: Mercury or digital thermometers. . ' <br /> Factory-calibrated once. <br /> w • <br />