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Mr. Rick Mills - 3 - July 11, 1990 <br />3. The water quality analysis (Page 7) states that the applicable <br />stream standard for manganese is 1000 mg/1, (total recoverable). <br />In fact, the Classifications and Numeric Standards, Upper Colorado <br />River Basin and North Platte River (Planning, Region 12 ), Triennial <br />Review, September 5, 1989, indicate a standard of 1.0 mg/1 <br />(Total). It is understood that the units were probably mistyped in <br />t eh~RR. We should consider conducting the manganese analysis as <br />total, not total recoverable to achieve consistency with the <br />standards. Other such discrepancies also seem to exist. Since it <br />is our understanding that CYCC will be submitting a minor revision <br />regarding the monitoring program at Eckman Park, this will be <br />discussed at that time. <br />Thank you for your cooperation, and I look forward to your response in the <br />near future. <br />-~ <br />Sincerely, <br />/.' <br />i <br />D ' i A. Berry <br />~clamation Specialist <br />DAB/scg <br />cc: Jim Stevens <br />8769E <br />