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M <br /> Y <br /> Injection Well Design <br />'r <br /> Proposed Injection Project, Clearwater Group <br /> 1817 South Fresno Avenue, Stockton, California <br /> Injection Wells. Injection will take place following the dewatering of each well area. Injection activities <br /> will involve the installation of approximately 15 temporary injection ports, each with an estimated radius <br /> of influence of 15 to 18 feet and injection of 25,000 gallons of Fenton's Reagent mixture across the site. <br /> An average of 1 ,650 gallons will be injected per port. Specific injection volumes will be determined <br /> based on the thickness of impacted sand encountered and how well each port accepts the volume of <br /> injected liquid. The mixture will be delivered using approximately 1 .54nch diameter custom injection <br /> rods, installed with a Geoprobe, on a closely spaced grid, at pump pressures ranging from 200 to 600 <br /> pound per square inch (psi) . Clearwater has recommended bottom-up injection, with a 1 - to 4-foot <br /> injection interval. The exact zones of horizontal contamination will be confirmed as the (well) are <br /> installed in the field. D QY '1T. <br /> Page 1 of 1 <br />