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� CDIM Standard Operating Procedure �,M SOP 5.0 Equipment Decontamination E^^I^EE1111 Rev. 0 10/23/20 4. RESPONSIBILITY Project Manager The Project Manager is responsible for ensuring that all sampling equipment and well material decontamination activities are conducted and documented in accordance with this SOP and any other appropriate procedures. This will be accomplished through staff training and by maintaining quality assurance/quality control (QA/QC). The Project QA The Project QA Specialist (PQAS) is responsible for periodic review of field Specialist(PQAS) generated documentation associated with this SOP. The PQAS is also responsible for the implementation of corrective action (i.e., retaining personnel, additional review of work plans and SOPs, variances to decontamination requirements, issuing nonconformances, etc.) if problems occur. Field personnel Field personnel assigned to sampling equipment and well material decontamination activities are responsible for completing their tasks according to specifications outlined in this SOP and other appropriate procedures. All staff are responsible for reporting deviations from the procedures to the Field Coordinator or the PQAS. 5. DECONTAMINATION ZONE 5.1 Sampling Equipment Decontamination Zone If possible, sampling equipment decontamination will take place in a zone designed exclusively for decontamination. This area will ideally be located within the contamination reduction zone on the project site. Each sampling equipment decontamination zone will be constructed so that the equipment, as well as all wastes generated during decontamination (e.g., soil, rinsate, liquid spray, debris, etc.), are contained to the extent appropriate. In addition, chemical products used in the decontamination process must be properly containerized and labeled. Well materials may be decontaminated at the zone set up for decontamination of drilling and heavy equipment(see below Section 5.2). 5.2 Downhole and Heavy Equipment Decontamination Zone A decontamination station will be set up in an area exclusively for decontamination of drilling, well development, and/or heavy equipment. The location of the decontamination zone will be specified in the project work plans. All decontamination of drilling, development, and heavy equipment will be conducted within this zone. At a minimum, the zone will be constructed such that all rinsates, liquid spray, soil, debris, and other decontamination wastes are contained as appropriate and, if necessary, may be collected for appropriate waste management and disposal. If containment is required, the station may be as simple as a bermed, impermeable polyethylene sheeting of sufficient thickness. More 2