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0 <br />0 <br />PARS I <br />Page 2a of 17 <br />Permit No.: CO-0027154 <br />A. TERMS AND CONDITIONS <br />2. Effluent Limitations <br />Beginning July 1, 1984 and lasting through December 31, 1985 the <br />permittee is authorized to discharge within the limitations specified <br />below, from outfall(s) serial numper(s) 001, 002, 003, 004, 006, 007, <br />008 and 014. The outfalls of the sedimentation ponds as shown in <br />Figure 1 on Page 17a of the permit. <br />a. Effective during periods of no precipitation <br />Effluent Parameter <br />Flow - (MGD) <br />Total Suspended Solids (mg/1) <br />Total Iron (mg/1) <br />Salinity <br />Discharge Limitations <br />Maximum Concentration <br />30-dav avg. a/ Daily Max. b/ <br />n/a n/a <br />35 70 <br />3.5 7.0 <br />n/a n/a <br />pH - (Standard Units) shall remain between 6.5 and 9.0 b/. Oil <br />and grease shall not exceed 10 mg/1 b/ is any grab sample nor <br />shall there be a visible sheen. <br />b. Effective during periods of precipitation less than or equal to <br />the 10-year, 24-hour even[ for this facility. <br />Any discharge or increase in the volume of a discharge caused by <br />precipitation within any 24-hour period less than or equal to <br />the 10-year, 24-hour precipitation event (or snowmelt of <br />equivalent volume) may comply with the following limitations <br />instead of the limitations of Parts I.A.I.a. <br />Effluent Parameter Discharge Limitations <br />Pfaximum Concentration <br />Daily Maximum b/ <br />Settleable Solids(mg/1) 1/ i/ 0.5 <br />Salinity n/a <br />pH - (Standard Units) shall remain between 6.5 and 9.0 b/. Oil <br />and grease shall not exceed 10 mg/1 b/ in any grab sample nor <br />shall there be a visible sheen. <br />1/ - Pursuant to 40 CFR 434.63 (a) <br />a/ b/ i/ - See Page 4d <br />Modified ~ 7 fJ'j <br />(Added) <br />