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COLORADO DEPARTMENT OF HEALTH, Water Quality Control Division <br />Rationale - Page 4. Permit No. CO-0040827. <br />V. PERFORMANCE HISTORY <br />B. Compliance with Terms and Conditions of Previous Permit <br />A review of the information available to the Division has shown no <br />compliance problems wi[h the previous permit. <br />VI. TERMS AND CONDITIONS OF PERMIT <br />A. Effluent Limitations <br />In developing suitable effluent limitations, the Division must review <br />all applicable standards and regulations and apply that which is more <br />stringent. This review includes, but is not limited to, the water <br />quality standard based effluent limitations, federal guidelines and <br />standards (40 CFR Subchapter N) and State Effluent Regulations <br />(10.1.0). Such a review has been done for this facility. The <br />following limits will apply and are discussed below. <br />Table VI-1 -- Effluent Limits - 001, 003, 004, 005, 007, 008 <br />Parameter <br />Limit <br />Rationale <br />glow, MGD Report a/ <br />"CSS, mg/1 35/70 b/ <br />'Cotal Iron, mg/1 3.0/6.0 b/ <br />pH, s.u. 6.5-9,0 c/ <br />Oil and Grease, mg/1 10 d/ <br />'Cotal Dissolved Solids, mg/1 Report d/ <br />Settleable Solids, ml/1 0.5 e/ <br />:dA <br />New Source Performance Stds <br />New Source Performance Stds <br />Water quality Standards <br />State Effluent Regulations <br />Salinity Regulations <br />Best Available Technology <br />.a/ 30 Day Average <br />~b/ Average of daily values for 30 consecutive days/Daily maximum <br />c/ Minimum-Maximum <br />d/ Daily Maximum <br />e_/ Effective during periods of precipitation less than or equal to the <br />10-year, 24-hour precipitation event for this facility, when an exemption <br />has been approved by the Division. <br />