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COLORADO DEPARTMENT OF HEALTH, Water Quality Control Division <br />• Rationale Amendment No. 4 - Paga 4, Permit No. CO-0027154 <br />PERMIT CHANGES RESULTING FROM AMENDMENT 1~4; <br /> <br />Page I/ <br />Change to page: <br />lf(ii) Added monitoring for flow and limitations for <br />total recoverable maneanasa at outfall 019. The <br />total racoverabla maneanasa limitations era based <br />upon the combined total flow and the combined <br />total loading Mn concentrations from discharee <br />points 001, 005, and 007, which is indicated in <br />the WLA calculation method as specified in Part <br />I.B.l.f of the permit. <br />lf(iii) No change in existine language for this oaea; only <br />chance was in the oermit paee number. <br />la Added weakly monitorine for total racoverabla <br />maneanasa at discharee point 005. <br />lh Ravi sad to weakly monitorine for total racoverabla <br />man¢anese at discharee points 001 and 007. <br />lh(i) Added monitorine for total flow and total <br />racoverabla maneanasa at outfall 019, which is [he <br />compliance point For the manganese limitations. <br />Added the calculation for total racoverabla <br />maneanasa determination. <br />lh(ii) <br />Included the reporting requirements for the <br />calculation of total racoverabla man_eanesa at <br />outfall 019. <br />Don Holmar <br />Aueust 25, 1989 <br />CHANGES TO PERMIT <br />TIONALE FOLLOWING PUBLIC NOTICE: <br />No changes ware made [o either this rationale or to the oarmit since the <br />public notice. Following oublic notice, Colorado Yampa Coal Comoanv was <br />contacted, and they suoplied no comments. <br />• <br />