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L & M OPERABLE UNIT - FIRST QUARTER 2012 SITE STATUS, REMEDIAL SUMMARY, <br />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.