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-2- <br /> 6. This data compares reasonably well with that submitted by the <br /> operator in the Annual Hydrology Reports. It does appear that the <br /> TDS has continued to increase mainly at the mine water discharge <br /> point and ultimately NPDES site #016. The operator has not been <br /> actively monitoring the mine discharge water since at least 1988 <br /> but instead relies on site #016 NPDES sampling. Additional full <br /> suite sampling on a regular basis may be warranted at site #016 due <br /> to the relatively large discharge volume and its poor quality. <br /> /ern <br /> M:\oss\ern\basin.kag <br />