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COLORADO LEGACY LAND <br /> $CHWARTZWALDER MINE <br /> TABLE E-4.COLORADO DISCHARGE PERMIT#CO-0001244 WATER TREATMENT PLANT DISCHARGE SAMPLING REQUIREMENTS <br /> Effluent Limitations Maximum Concentrations Monitoring Requirements <br /> §fijjjML30-Day 7-Day Daily Maximum 2-Year Frequency Sample Type <br /> Parameter Units Average Average Average <br /> Total Suspended Solids mg L 20 30 3 Days Week Composite <br /> Thallium,Total µg/L 0.24 - - 2 Days Month Composite <br /> Uranium,Total Recoverable µg/L 50 22 2 Days/Month Composite <br /> Zinc,Potentially Dissolved µg/L Report Report I Report 2 Days/Month I Composite <br /> Whole Effluent Toxicity,Chronic <br /> Pimephales Lethality - - - Statistical <br /> Ceriodaphnia Lethality _ Difference and <br /> IC25>_IWC Quarterly 3 Composites <br /> Pime hales Toxicity - - - Report Statistical /Tests <br /> Ceriodaphnia Toxicity _ _ Difference and <br /> IC25 <br /> Notes: <br /> µg/L=micrograms per liter(parts per billion,ppb) <br /> IC25 =Effluent Concentration where 25%of the test organisms demonstrate inhibition as reflected by lethality <br /> IWC=Instream Waste Concentration <br /> MGD=Million Gallons per Day <br /> mg/L=milligrams per liter(parts per million,ppm) <br /> N/A=Not Applicable <br /> pCi/L=picocuries per liter <br /> WAD=Weak Acid Dissociable <br /> F T2020 Ahlr:Num <br />