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baseline mine water. However, certain Federal limits may be applicable to the mine discharge <br />which are not subject to approval by the CDPHE. <br />It is important to note that these standards are numeric, and are not variable or based upon hardness, <br />unlike the dissolved parameter standards. The limitations for applicable parameters are listed <br />below in Table 9. <br />Table 9 - Federal Limitations for Total Parameters 40 CFR 440.102 [7] <br />Parameter <br />Maximum for 1 <br />Average for 30 Consecutive <br />Day <br />Days <br />Total Suspended <br />Solids <br />30 <br />20 <br />Copper, total <br />0.3 <br />0.15 <br />Zinc, total <br />1.5 <br />0.75 <br />Lead, total <br />0.6 <br />0.3 <br />Mercury, total <br />0.002 <br />0.001 <br />Applicable in stream standards are, in summary, shown below in Table 10. <br />