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PART I <br /> Page 24 of 67 <br /> Permit No.:COG500000 <br /> Table E.4-1. Practical Quantitation Limits(PQLs)—Metals,inorganics, nutrients, radiological parameters,and nonylphenol <br /> Parameter Reporting Units PQL- Parameter Reporting Units PQL � <br /> Aluminum µg/L' 15 Ammonia mg/L'N 0.2 <br /> Nitrogen <br /> Antimony µg/L 2 Nitrate+Nitrite mg/L N 0.1 <br /> Nitrogen <br /> Arsenic µg/L 1 Nitrate Nitrogen mg/L N 0.1 <br /> Barium µg/L 1 Nitrite Nitrogen mg/L N 0.05 <br /> Beryllium µg/L 2 Total Kjeldahl mg/L N 0.5 <br /> Nitrogen <br /> Boron µg/L 20 Total Nitrogen mg/L N 0.5 <br /> Cadmium µg/L 0.5 Total Inorganic mg/L N 0.2 <br /> Nitrogen <br /> Calcium µg/L 120 Phosphorus mg/L P 0.053 <br /> Chromium µg/L 20 BOD/CBOD mg/L 2 <br /> Chromium, µg/L --- Chloride mg/L 2 <br /> Trivalent <br /> Chromium, µg/L 203-4 Total Residual mg/L 0.5 <br /> Hexavalent Chlorine, DPD <br /> Copper µg/L 2 Total Residual mg/L 0.05 <br /> Chlorine, <br /> Amperiometric <br /> Iron µg/L 203 Cyanide µg/L 103 <br /> Lead µg/L 0.5 Fluoride mg/L 0.5 <br /> Magnesium µg/L 35 Phenols µg/L 30 <br /> Manganese µg/L 2 Sulfate mg/L 2 <br /> Mercury µg/L 0.23 Sulfide mg/L HZS 0.1 <br /> Mercury,Low µg/L 0.002 Total Dissolved mg/L 10 <br /> Level Solids(TDS) <br /> Molybdenum µg/L 0.5 Total Suspended mg/L 5 <br /> Solids(TSS) <br /> Nickel µg/L 1 Radium-226 pCi/L 1 <br /> Selenium µg/L 13 Radium-228 pCi/L 1 <br /> Silver µg/L 0.5 Uranium µg/L 1 <br /> Sodium µg/L 150 Nonylphenol, µg/L 10 <br /> Thallium µg/L 0.5 ASTM D7065 <br /> Zinc µg/L 10 <br /> 1 µg/L=micrograms per liter <br /> 2 mg/L=milligrams per liter <br /> 3 PQL established based on parameter specific evaluation <br /> 4 For hexavalent chromium,samples must be unacidified so dissolved concentrations will be measured rather than <br /> potentially dissolved concentrations. <br /> 5. Flow Measuring Device—Process water discharges <br /> The permittee shall provide flow measuring and metering to give representative values of throughput and treatment of the <br /> wastewater system.The flow measuring device may be equipped with a local flow indication instrument and a flow indication- <br /> recording-totalization device suitable for providing permanent flow records. <br /> At the request of the Division,the permittee must be able to show proof of the accuracy of any flow-measuring device used in <br /> obtaining data submitted in the monitoring report.The flow-measuring device must indicate values within ten(10)percent of <br /> the actual flow discharging from the point source. <br />