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MONITORING AND REPORTIIRPROGRAM NO. R5-2002-0213 • 5 <br /> U.S. DEPARTMENT OF DEFENSE <br /> DEFENSE LOGISTICS AGENCY <br /> DEFENSE DISTRIBUTION DEPOT SAN JOAQUIN <br /> SHARPE GROUNDWATER REMEDIATION SYSTEM <br /> SAN JOAQUIN COUNTY <br /> RECEIVING WATER MONITORING <br /> (French Camp Slough) <br /> All receiving water samples shall be grab samples. Receiving water monitoring in French Camp Slough <br /> shall include at least the following: <br /> Station Description <br /> R-3 100 feet upstream from the confluence with the SSJID Canal <br /> R-4 100 feet downstream from the confluence with the SSJID Canal <br /> Constituents Units Station Sampling Frequency <br /> Flow' cfs R-3 Weekly <br /> Arsenic (Total)3 µg/L,(ppb) R-3, R-4 Monthly' <br /> pH pH Units R-3,R-4 Quarterly <br /> Electrical Conductivity @25°C2 µmhos/cm R-3;R-4 Quarterly <br /> Dissolved Oxygen mg/L, (ppm) R-3, R-4 Quarterly <br /> Temperature2 OF R-3, R-4 Quarterly <br /> Hardness (as CaCO3)5 mg/L,(ppm) R-3,R-4 Twice Annually <br /> Total Suspended Solids mg/L, (ppm) R-3,R-4 Twice Annually <br /> Total Organic Carbon mg/L, (ppm) R-3,R-4 Twice Annually <br /> Total Dissolved Solids mg/L, (ppm) R-3,R-4 Twice Annually <br /> Hexavalent Chromium µg/L, (ppb) R-3,R-4 Twice Annually <br /> Copper(Total)3 µg/L, (ppb) R-3,R-4 Twice Annually <br /> Lead(Total)3 µg/L, (ppb) R-3,R-4 Twice Annually <br /> Mercury(Total)' µg/L,(ppb) R-3,R-4 Twice Annually <br /> Selenium(Total)3.1 µg/L, (ppb) R-3,R-4 Twice Annually <br /> Basin Plan Metals(Dissolved)' n/L, (ppb) R-3,R-4 Twice Annually <br /> Aluminum(Total) µg/L, (ppb) R-3,R-4 Twice Annually <br />