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Stantec <br /> L & M OPERABLE UNIT - FOURTH QUARTER AND ANNUAL 2012 SITE STATUS, <br /> REMEDIAL SUMMARY, AND GROUNDWATER MONITORING REPORT <br /> Appendix C <br /> Page 3 <br /> STANTEC CONSULTING CORPORATION <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 sampling. Samplers, groundwater pumps, liners <br /> and other equipment are decontaminated in an Alconox scrub solution and double rinsed in <br /> 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 />