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I I I.Mi�II;W I III I II II, I , �,&� W— U K I! <br /> AURR_00 K a,-. <br /> M <br /> ontaminated prior to commencing 6t,111ing at each <br /> k will be dec ruction materials will be cleaned as <br /> hole. Well const illstallation. <br /> necessary, prior to ion will be <br /> and well material decontaminat <br /> Equipment surface and all decont ami nation <br /> conducted on an impermeable <br /> effluent will be contained. All surfaces Of the equipment <br /> econtaminated using a st0am cleaner' <br /> will be thoroughly d on a drying rack for air <br /> equipment will be placed stored in containers <br /> The mination water will <br /> drying. The deconta us materials storage and disposed of in <br /> certified for hazardo <br /> an approved manner�to be used for pesticides and organic <br /> Sample equipment nphosphate detergent (AlcOnox <br /> analysis will be washed in a no tap water, followed by <br /> or equivalent) and rinsed with quipment <br /> th acetone. if the eI <br /> deionized water and finally Wi e will be conducted <br /> is for metals analysis, the initial rins ater and deionized <br /> with 0.1 N nitric acid followed by tap w <br /> water. <br /> 7.0 Field Equipment Calibration and Maintenance <br /> following measuring equipment may be used during the <br /> The :juipment is grouped by field <br /> Remedial investigation. E( listed <br /> activity. Calibration procedures and frequency are <br /> for each piece. DiMens ions-Steel and coated cloth <br /> soil BOrLinqs and Well <br /> Ea—pe. —051ibration: none. <br /> steel surveyors tape- <br /> Water Level Measurements in Wells-d temperature correction <br /> e sjjpp1ie <br /> Ea—L_Jb r 9-To n manufactur r able for field conditions. <br /> will be applied as applic check against steel <br /> Electrical well sounders. Calibration: <br /> surveyor's tape- Photoionization detector. Calibration: <br /> o�ni�c� Y9�or�- isobutylene standard as per <br /> baily field Calibration using a <br /> manufacturers instructions. Digital pH meter. Calibration: <br /> G dwater pHMeasurement utilized for <br /> _ _i � 10 will be <br /> s roun'r PH _ut "s of �, 7, and <br /> t,,d d so according to manufacturers <br /> daily field calibration <br /> instructions. Electrical conductivity meter. <br /> Electrical ConductiY t-Y- and <br /> L periodically <br /> �factory-calibrated annually calibration <br /> t7aii1bration:z tandard <br /> calibrated against laboratory prepared 5 <br /> solution. re- Mercury or digital thermometers. <br /> W a t e r Tisi�r 2�_t� <br /> i�—ai7i—bra:Eion: fai-t—ory-calibrated once. <br />