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DGM Environmental Monitoring QAPP <br /> Section 1 INTRODUCTION <br /> This Quality Assurance Program Plan (QAPP) describes the quality assurance and <br /> quality control practices employed for site characterization and environmental <br /> monitoring at the Zephyr Gold USA Ltd.'s Dawson Gold Mine (DGM). This QAPP is <br /> designed to assure the quality of 112d-2 Designated Mining Operation Reclamation <br /> Permit M-2021-046 requirements for environmental monitoring sampling and analyses. <br /> It focuses quality assurance applications on meeting the requirements of the permit to <br /> define various environmental conditions and/or trends at the site. <br /> The permit requires consideration and incorporation of applicable guidelines and <br /> requirements for sampling and analysis established by the United States Environmental <br /> Protection Agency (EPA) Water Quality Criteria and tailored by the Colorado Division of <br /> Reclamation, Mining and Safety (DRMS) to assure the data credibility of the sampling <br /> and monitoring needs of the permit. These guidelines, incorporated by reference, <br /> include: <br /> • Colorado Department of Public Health and Environment (CDPEH), Water Quality <br /> Control Commission Regulation No. 32 - Classifications and Numeric Standards <br /> for Arkansas River Basin (5 CCR 1002-32) <br /> • Colorado Department of Public Health and Environment Water Quality Control <br /> Commission Regulation No. 41 - The Basic Standards for Ground Water (5 CCR <br /> 1002-41) <br /> • Colorado Division of Reclamation, Mining and Safety Mineral Rules and <br /> Regulations of the Colorado Mined Land Reclamation Board for Hard Rock, <br /> Metal, And Designated Mining Operations <br /> • EPA Effluent Guidelines and Standards - Ore Mining and Dressing Effluent <br /> Guidelines, 40 CFR, Part 440, Subpart J <br /> This QAPP is intended to be a dynamic document allowing for ongoing and continuous <br /> improvement. <br /> Page 1 <br />