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MONITORING AND REPORTING PROGRAM FOR -3- <br /> SAN JOAQUIN COUNTY AND THE CITY OF TRACY <br /> CORRAL HOLLOW SANITARY LANDFILL <br /> CLASS III LANDFILL <br /> SAN JOAQUIN COUNTY <br /> 1 <br /> Inductively Coupled Argon Plasma Atomic Emission Spectroscopy <br /> Py <br /> (ICAP) may be used for analysis of these constituents only. <br /> 2 EPA Methods 601 and 602, or EPA Method 624 shall be used. All <br /> peaks shall be reported. <br /> The Discharger shall determine at each sampling whether there is ,a <br /> statistically significant increase over water quality protection <br /> standards for each parameter and constituent analyzed. <br /> The ground water surface elevation (in feet and hundredths, M.S.L. ) in <br /> all wells shall be measured on a quarterly basis and used to determine <br /> the velocity and direction(s) of ground water flow. This information <br /> shall be displayed on a water table contour map and/or ground water flow <br /> net for the site. <br /> WATER QUALITY PROTECTION STANDARDS <br /> Standards for Surface Waters <br /> Quarterly. surface water samples shall be taken from Corral Hollow Creek <br /> upgradient of the site for one year and analyzed for each of the <br /> parameters and constituents listed under "SURFACE WATER MONITORING" <br /> above. Analyses shall account for measurement errors in sampling and <br /> analysis. Data from these analyses shall be reported to the Board <br /> within thirteen months of the effective date of this Order for use by the <br /> Board in determining water quality protection standards for surface <br /> waters at the site. <br /> If subsequent upstream surface water sampling indicates significant water <br /> quality changes due to either seasonal fluctuations or other reasons <br /> unrelated to waste management activities at the site, the Discharger may <br /> request modification of these water quality protection standards. <br /> Standards for Ground Water <br /> Quarterly samples shall be taken from all of the monitoring wells (MW-1 <br /> through MW-5) for one year and analyzed for each of the parameters and <br /> constituents listed under "GROUND WATER MONITORING" above. Analyses <br /> shall account for measurement errors in sampling and analysis. Data from <br /> these analyses shall be reported to the Board within thirteen months of <br /> the effective date of this Order for use by the Board in determining <br /> water quality protection standards for ground water at the site. <br />