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COLORADO DEPARTMENT OF HEALTH, Water Quality Control Division <br />Rationale -• Page 3. Permit No. CO-0000213. <br />V. TFRMS AND CONDITIONS OF PERMIT <br />A. Effluent Limitations <br />Table 1 - Post-Mining 0002, 003, 004, 005 and 006) <br />1?arameter Limitation <br />Flow (MGD) Report b/ <br />011 and Grease (mg/1) 10 b/ <br />Settleable Solids (ml/1) 0.5 b/c/ <br />Total Dissolved Solids (mg/1) Report b/d/ <br />Basis <br />Monitoring Only <br />Wcs <br />srs <br />BAT <br />Monitoring Only <br />a/ Da1Iy m:Lnimum - Daily maximum <br />b/ Daily m,sximum <br />c/ Applicability of limit may be based upon precipitation exemption, subject <br />to burden of proof requirements. <br />d/ Monitoring for electrical conductivity (EG) may be used instead of TDS, <br />based on certain conditions. See footnote gf in the pere~it - Part I.C. <br />See the previous Rationale, dated June 12, 1989, f'.or an explanation of the <br />permit limits and conditions. Note that Whole Effluent 'toxicity testing is <br />no longer required for discharge point 006. All other permit requirements <br />shall remain the same. <br />Pages la, lb, lc, ld, le and if of the permit have: been +amended. This <br />change is considered to be a minor modification, and so ino public notice is <br />required. <br />Rath~.-yn Doltn <br />July 17, 1990 <br />r ~ <br />U <br />• <br />• <br />