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Sampling Equipment Decontamination Procedures Ó¢Ò뺺
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3.11.5 Sampling Equipment Decontamination Procedures The decontamination procedures for reusable sampling equipment and tools are critical to the sampling plan for closure of HWMUs. The documentation of the decontamination procedures helps ensure against cross-contamination from one sample to another and helps maintain the integrity of the sample data. The integrity of sample data is critical to establishing representative conditions that exist at each HWMU and in the background sampling, and in establishing closure of each HWMU. Therefore, it is imperative that the closure plan includes a full description of the sampling equipment decontamination procedures that are to be utilized during closure activities. Decontamination procedures may vary depending on whether the HCOCs are inorganic or organic constituents. Appendix B contains useful guidance from the OSWER Directive 9360.4-07, Compendium of ERT Waste Sampling Procedures, January 1991. The above information provides the detail of the EPA recommended procedures for decontamination of sampling equipment. |
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