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Groundwater Well Development Field Standard Operating Procedure <br /> SWE-FSOP-602;Revision 1 Ahtna Southwest Environmental Operations <br /> 4.4 Demobilization/Site Restoration <br /> After well development is completed,the tools should be laid down,the mast lowered,and the rig moved <br /> off the location.The FTL or designee should supervise the demobilization/site restoration. <br /> Any debris generated by the well development operation should be disposed of appropriately. The site <br /> should be cleaned, the ground washed as necessary, and the site conditions restored as per the project <br /> work plans. Any hazards remaining due to well developnment activities should be identified, and <br /> appropriate barriers and markers should be put in place, as per the APP. All fluids should be adequately <br /> contained, clearly labeled, and maintained to comply with the project work plans. <br /> 5.0 Quality Assurance/Quality Control <br /> Conduct the 3-Phases of Quality Control Method described in the project work plans. <br /> Quality Assurance (QA) and Quality Control (QC) procedures for drilling and field documentation review <br /> will be performed bythe FTL or PLto check that procedures and documentation content and level of detail <br /> comply with this SOP. If a deficiency or a variance was taken to the SOP, the PL should document the <br /> deficiency/variance and determine the need for corrective action in coordination with the QA Manager. <br /> If a non-registered geologist performs the oversight, a registered Project Geologist is responsible for <br /> reviewing the fieldwork documentation for the accurate and complete representation of the drilling and <br /> approval of final logs. <br /> 6.0 Documentation Review <br /> The FTL is responsible for daily review of the activities performed at the site and fieldwork documentation <br /> for compliance with requirements (Section 4.0) and legibility. Errors and omissions should be explained <br /> and revisions to an entry signed and dated by the FTL. <br /> 7.0 References <br /> Department of Toxic Substances Control (DTSC), California Environmental Protection Agency, 2014. Well <br /> Design and Construction for Monitoring Groundwater at Contaminated Sites.June. <br /> Environmental Protection Agency (EPA), Region 4, Science and Ecosystem Support Division, Athens, <br /> Georgia, 2018. Design and Installation of Monitoring Wells. SESDGUID-101-R2. January 16. <br /> https://www.epa.gov/quality/design-and-installation-monitoring-wells <br /> Izsraeli, et.al., 1992. Monitoring Well Development Guidelines for Superfund Project Managers. USEPA <br /> OSWER Groundwater Forum. April. <br /> Page 11 of 11 <br />