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STANDARD PROCEDURE FOR <br /> EQUIPMENT DECONTAMINATION <br /> Equipment that could potentially contact subsurface media and compromise the integrity of <br /> the samples is carefully decontaminated prior to drilling and sampling. Drill augers and <br /> other large pieces of equipment are decontaminated using high pressure hot water spray. <br /> Samplers, groundwater pumps, liners and other equipment are decontaminated in an <br /> Alconox scrub solution and double rinsed in clean tap water rinse followed by a final <br /> distilled water rinse. <br /> The rinsate and other wastewater are contained in 55-gallon, DOT-approved drums, <br /> labeled (to identify the contents, generation date and project) and stored on-site pending <br /> waste profiling and disposal. <br /> I <br /> f <br /> i <br /> I <br /> i <br /> f <br /> F <br /> I <br /> F <br /> G <br />