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wood. <br /> Bottom of <br /> Total Depth Top of Screen Screen <br /> Well (feet bgs) (feet bgs) (feet bgs) Zone <br /> MW-17 55 45 55 Middle <br /> Horizon <br /> Note <br /> bgs = below ground surface <br /> 6.0 MONITORING WELL DEVELOPMENT <br /> At least 48 hours after installation, each new monitoring well will be developed using a <br /> combination of bailing, surging, and purging techniques until the groundwater meets the <br /> stabilization criteria described in Appendix A. These parameters and total volume of water <br /> removed will be monitored during well development and recorded on a well development <br /> record. At least 10 well casing volumes of water will be removed from the well during <br /> development. <br /> 7.0 SAMPLE AND ANALYSIS PLAN <br /> The newly installed well will be surveyed by a licensed Professional Land Surveyor and be <br /> sampled semiannually for the two years and biennially thereafter. Water quality parameters, <br /> including pH, electrical conductivity, and temperature will be recorded during groundwater <br /> monitoring events. Groundwater samples will be collected using low-flow purging and <br /> sampling techniques and submitted for laboratory analysis of volatile organic compounds by <br /> United States Environmental Protection Agency Method 826013. Groundwater sampling <br /> methods are described in detail in Appendix A. <br /> 8.0 WASTE MANAGEMENT <br /> Waste generated during well decommissioning, installation, development, and sampling will be <br /> temporarily stored on-site in Department of Transportation-approved 55-gallon drums in a <br /> designated area and in compliance with applicable waste handling regulations. The waste will <br /> be sampled and then profiled following applicable local, state, and federal laws. Representative <br /> solid and liquid waste samples will be collected and analyzed for the purpose of waste <br /> profiling. After waste profiles have been established, the waste will be removed for off-site <br /> disposal at a licensed facility by a licensed waste hauler. <br /> 4 https://woodplc.sharepoint.com/teams/OlinTracy/Shared Documents/General/03.0 DocCtrl/2022 Decomm WP/Revised Decomm <br /> WP/01_text/202207_Tracy_Wood_Decomm WP_text.docx <br />