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• S E C O R <br /> - v <br /> STANDARD PROCEDURE FOR <br /> EQUIPMENT DECONTAMINATION <br /> Equipment that could potentially contact subsurface media and compromise the integrity of the <br /> samples is carefully decontaminated prior to drilling and sampling. Samplers, groundwater <br /> pumps, liners and other equipment are decontaminated in an Alconox scrub solution and double <br /> rinsed in clean tap water rinse followed by a final distilled water rinse. <br /> The rinsate and other wastewater are contained in 55-gallon California DOT-approved drums, <br /> labeled (to identify the contents, generation date and project) and stored on-site pending waste <br /> profiling and disposal. <br />