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MONITORING AND REPORTING PROGRAM -4- <br /> DEPARTMENT OF DEFENSE, DEFENSE LOGISTICS AGENCY <br /> DEFENSE DISTRIBUTION REGION WEST, SHARPE LOCATION <br /> INTERIM GROUND WATER CLEANUP SYSTEM <br /> SAN JOAQUIN COUNTY <br /> Sampling <br /> Constituents Method' Units Station Free uencv <br /> Specific 120.1 µmhos/cm R-1,R-2 Quarterly <br /> Conductivity <br /> @25•C <br /> Canal Flow Flow Meter' MGD R-1 Weekly <br /> All methods are EPA methods with the exception of methods denoted SM which are Standard Methods <br /> Temperature and pH shall be determined at the time of sample collection. <br /> Flow Monitoring of the canal shall be calibrated and a staff shall be installed <br /> RECEIVING WATER MONITORING (French Camp Slough) <br /> All receiving water samples shall be grab samples. Monitoring of French Camp Slough shall be <br /> conducted while the Slough is flowing. Receiving water monitoring shall include at least the following: <br /> Station Description <br /> R-3 100 feet upstream from the confluence with the irrigation canal <br /> R-4 100 feet downstream from the confluence with the irrigation canal <br /> Sampling <br /> Constituents Method` Units Station Frequency <br /> Aluminum 200.7 µg/1 R-3,R-4 Annually <br /> Antimony 204.2 µg/1 R-3,R-4 Annuallv <br /> Arsenic 206.3 µ9/1 R-3,R-4 Monthly' <br /> Beryllium 200.7 µg/1 R-3,R-4 Annually <br /> Bromacil 633/8330 µg/1 R-3,R-4 Annuallv <br /> Cadmium 213.2 µg/l R-3,R-4 Annuallv <br /> Chromium(Hexavalent) 218.4/218.5 µg/1 R-3,R-4 Annually <br /> Copper 200.7 µg/l R-3,R-4 Annually <br /> Lead 239.2 µg/l R-3,R-4 Annually <br /> Mercury 245.1 µg/1 R-3,R-4 Annually <br /> Silver 200.7 µg/1 R-3,R-4 Annually <br /> Thallium 279.2 1A9/1 R-3,R-4 Annually <br />