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SAN JOAQUIN COGEN LIMITED <br /> CLASS I NONHAZARDOUS INJECTION WELL <br /> MONITORING PROGRAM <br /> TYPE AND PURPOSE INSPECTION INTERVAL INSPECTION REPORT INTERVAL INSPECTION REPORT SUBMITTED TO <br /> Pressure ci2uge daily recorded daily Kept on file for agency review. <br /> Measure annular pressure. Indicate packer <br /> and/or tubing failure. <br /> Wastewater quality monthly monthly Kept on file for agency review. <br /> Verity compliance with permit issuance. <br /> 24-hour pressure fall-off survey annually annually Kept on file for agency review. <br /> Analyzed for indications of reservoir <br /> fill-up. <br /> Injection survey annually annually Kept on file for agency review. <br /> Run in accordance with Division of Oil and <br /> Gas specifications (includes a spinner, <br /> temperature log, and a radioactive tracer <br /> survey). Used to demonstale mechanical <br /> integrity of the well. <br /> Casing inspection log and cement bond log every 5 years every 5 years Kept on file for agency review. <br /> Insure the integrity of the casing and cement <br /> behind the casing. <br />