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10/30/2000 08: 38 2099378137 STORMWATER PAGE 09 <br /> GENERAL PRETREATMENT INDUSTRIAL USERS <br /> SELF-MONITORING SAMPLE PROGRAM <br /> FORMER THRIFTY OIL COMPANY STATION ##172 <br /> 7647 Pacific Ave <br /> Stockton, CA <br /> Permittee shall establish a Self-Monitoring Schedule as indicated: <br /> Sample Point: Sample port after activated carbon filter treatment. <br /> Pollutant Frequency Type Sample Method <br /> Trace Metals 2 X Year' <br /> Cadmium Grab 213.1 <br /> Chromium Grab 218-8 <br /> Co er Grab 220.1 <br /> Lead Grab 239.1 <br /> Nickel Crab 249.1 <br /> Zinc Grab 289.1 <br /> Total Petroleum 2 X Year* Grab 166�t <br /> H drocarbons <br /> B, T, X, E 2 X Year* Grab 8020 & 8015 <br /> Flow 2 X Year* Continuous <br /> H 2 X Year* Grab 150.1 <br /> Self-Monitoring reports must be submitted to the City of Stockton Environmental <br /> Control Section no later than January 15, and July 15, of each year All reports <br /> shall include a signatory statement_ <br /> * Permittee shall report the results all samples collected at the discharge point <br /> during the duration of the Permit. <br />