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Equipment Decontamination Standard Operating Procedure SWE-FSOP-801;Revision 1 Ahtna Southwest Environmental Operations Quality Control Lead (QC Lead).The QC Lead ensures work inspections are performed using the 3-Phases of Quality Control method described in the project work plans. The QC Lead notifies the PL of quality deficiencies and actions to correct those. The PL approves those actions or notifies the SWE Field QC Manager for their approval if the circumstance warrants involvement. 1.4 Definitions Exclusion Zone. Location at a site delineated by the presence of contamination or where contamination is suspected. The outer boundary of the Exclusion Zone is identified as the "Hotline," and is commonly marked with placards, hazard tape, or signs. Field Logbook(FLB)—A portable, bound, weatherproof notebook with consecutively numbered pages. Contamination Reduction Zone. A location outside the Hotline designated for decontamination of equipment and personnel that serves as the transition between contaminated and clean areas. PFAS-free water—Water purchased as certified PFAS-free or water taken from a municipal water system or waterwater supply well that approved for use. Typically, the water is sampled for PFAS tests and demonstrated to be PFAS free or concentrations that are low enough for the Data Quality Objectives defined for the project (i.e., PFAS may be present but at acceptable concentrations. Support Zone. A location outside of the Contamination Reduction Zone that is not expected to be contaminated and is upwind of suspected contaminants. The Support Zone commonly contains administrative and support personnel,field offices,facilities, etc. Investigation Derived Waste (IDW). Waste that may be classified as hazardous or non-hazardous and is generated during site-related work. Personal Protective Equipment(PPE). Personal health and safety equipment used to protect an individual from contaminant exposure and physical injury. 2.0 Relevant Documents Field SOPS • SWE-FSOP-001, Field Documentation • SWE-FSOP-802, Investigation Derived Waste Management Field Forms • SWE-FSOP-004, Daily PFAS Sampling Checklist [PFAS Projects] 3.0 Equipment List • Bound FLB with consecutive page numbers and waterproof, indelible pens/markers [PFAS Project]: Use field logbook made of standard/loose plain paper(non-weatherproof), held together by an aluminum or Masonite field clipboard.Alternatively, a spiral-bound notebook with non-weatherproof paper and/or cover can be used. • Gloves (select type based on activity and hazard) Page 5 of 10