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3 4.1 Field QA/QC <br /> All field equipment will be cleaned and decontaminated prior to being introduced into the sampling <br /> environment Each sampling point will require either a discrete sampling tool or a recleaned, <br /> decontaminated sampling tool Decontamination will be accomplished by using an environmental- <br /> sensitive, phosphate-free soap (Alconox) and water solution to remove particles adhered to the <br /> surface of the sampling tool The sampling tool will then be rinsed in clean water in a separate <br />' bucket A third rinse will be accomplished using deiomzed water A final rinse will be <br /> accomplished using hydrogen peroxide Special care will be taken to prevent the cleaned sample <br /> tool from becoming contaminated prior to being reintroduced into the sampling environment If the <br /> sampling tool does become contaminated,then the decontamination procedures will be repeated <br /> 3.4 2 Laboratory QA/QC <br />' CLS is certified by the CalEPA Hazardous Waste Testing Laboratory Certification Program to <br /> conduct the analytical protocol The methods used by the laboratory are published and approved <br /> analytical methods which have built-in QA/QC practices Other QA/QC practices are part of <br />' CalEPA's certification program All Certified laboratories must keep records of these QA/QC <br /> practices <br /> CLS will provide pertinent QA/QC documents pertaining to the analytical protocol These QA/QC <br /> documents will include surrogate recovery data, chromatogram, and analytical charts including those <br /> of the spikes and matrix spike duplicates Copies of these documents will be incorporated into the <br /> assessment report <br /> 35 SITE SAFETY PLAN <br />' The site safety plan for the contamination assessment is presented in Appendix A <br /> I <br /> I <br /> 355-002 -9- <br />