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COLORADO LEGACY LAND <br /> $CH WARTZWALDER MINE <br /> ,, -._ <br /> TABLE E-S. COLORADO DISCHARGE PERMIT #CO-0001244 WATER TREATMENT PLANT DISCHARGE SAMPLING REQUIREMENTS <br /> Effluent Limitations Maximum Concentrations Monitoring Requirements <br /> 30-Day 7-Day Daily Maximum 2-Year Frequency Sample Type <br /> Effluent 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 pg/l. Report - Report Report 2 Days / Month Composite <br /> Whole Effluent Toxicity,Chronic <br /> Pimephales Lethality - - - Statistical - <br /> Difference and <br /> Ceriodaphnia Lethality <br /> IC25 aIWC 3 Composites <br /> Quarterly <br /> Pimephales Toxicity - - - Report Statistical - / Tests <br /> Difference and <br /> Ceriodaphnia Toxicity - - - - <br /> IC25 <br /> Notes: <br /> µg/L = micrograms per liter (parts per billion, ppb) <br /> I C 2 5 = Effluent Concentration where 2 5% of the test organisms demonstrate inhibition as reflected by lethality <br /> IWC = Instream Waste Concentration <br /> M G D = 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 /> "ARY 2 0 2 1 3 A M E N D M E N T <br />