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MONITORING AND REPORTING PROGRAM NO. 97-229 -4 - <br /> J.R. <br /> 4 -J.R. SIMPLOT LATHROP FACILITY <br /> SAN JOAQUIN COUNTY <br /> TABLE 1. CONSTITUENTS OF CONCERN, ANALYTICAL METHODS, AND <br /> CONCENTRATION LIMITS <br /> Chemical Constituent U.S. EPA Test Method Concentration <br /> Limit (mg/L <br /> except where <br /> noted <br /> Total Dissolved Solids 160.1 1070 <br /> Ammonia as nitrogen) 350.1 1 <br /> Chloride 300 109 <br /> Nitrate as nitrogen) 300 106 <br /> Sodium 200.7 186 <br /> Sulfate 300 250 <br /> Phosphate 365 natural <br /> background TBD <br /> Dissolved metals <br /> Arsenic 206.2 0.018 <br /> Antimony 204.2 0.005 <br /> Aluminum 200.7 1.1 <br /> Barium 200.7 0.345 <br /> Beryllium sm3500-Be 0.0005 <br /> Boron 200.7 0.54 <br /> Cadmium 200.7 0.001 <br /> Cobalt 200.7 0.01 <br /> Copper 200.7 0.005 <br /> Chromium 200.7 0.001 <br /> Iron 200.7 1.1 <br /> Lead 239.2 0.004 <br /> Manganese 200.7 0.1 <br /> Magnesium 200.7 66 <br /> Mercury 245.1 0.002 <br /> Molybdenum 200.7 0.005 <br /> Nickel 200.7 0.005 <br /> Selenium sm3500-Se 0.007 <br /> Thallium 279.2 0.002 <br /> Vanadium 286.2 0.028 <br /> Zinc 200.7 0.02 <br /> Concentration limit from Corrective Action Work Plan (June 2005) <br /> Z Concentration limit shown is either the historical maximum concentration in LP-7 or <br /> the practical quantitation limit from 2005 laboratory results. <br />