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Mountain Coal and Bear Coal Water Quality Assessment <br />CO-0038776 and CO-0044377 <br />Table A-2 <br />In-stream Standards for Stream Segment COGLTNF02 <br />L~ssotveo oxygen lL~l = o mgit, mmvnum i mgit, mmunum aunng s awning/ <br />H=6.5-9su <br />Fecal Coliform= 200 colonies/100 ml <br />Un-ionized ammonia acute =TVS <br />~Un-ionized ammonia chronic = 0.02 mg/1 <br />Chlorine acute =0.019 mg/1 <br />Chlorine chronic = 0.011 mgll <br />Free Cyanide acute = 0.005 mg/1 <br />Sulfide chronic = 0.002 mg/1 <br />Boron chronic = 0.75 mg/1 <br />Nitrite = 0.05 mg/1 <br />Nitrate = 10 m /I <br />Chloride chronic = 250 mg/I <br />Sulfate chronic = 250 me/1 <br />Total Recoverable Arsenic acute = 50 ug/1 <br />bissolved Cadmium acute for trout and Dissolved Cadmium chronic =TVS <br />Total Recoverable Trivalent Chromium acute = 50 ug/1 <br />• Dissolved Hexavalent Chromium acute and chronic=TVS <br />Dissolved Co eracute and chronic =TVS <br />Dissolved Iron chronic = 300 ug/1 <br />Total Recoverable Iron chronic = 1000 ug/1 <br />Dissolved Lead acute and chronic =TVS <br />Dissolved Manganese chronic = 50 ug/1 <br />Dissolved Manganese acute =TVS <br />TotalMercu chronic=O.Olug/1 <br />Dissalved Nickel acute and chronic =TVS <br />Dissolved Seleniumacute and chronic=TVS <br />Dissolved Silver acute and Dissolved Silver chronic for (rout =TVS <br />Dissolved Zinc acute and chronic =TVS <br />Appendix A Page 5 of 20 Last Revised 3/9/2004 <br />