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•, .COLORADO DEPARTMENT OF HEALTH, Water Quality Control Division <br />Rationale -Page I2, Permit No. CO-0034142 <br />Table Vl-2 - Pv(jluent Lintilatioru <br />7SS, mg/l <br />Oil and Grease, mg/I <br />pH, s. u. <br />7DS, mg/! <br />WET, C7tronic (OutfaU 003 Only) <br />Until 12/31/96 <br />As of 01/01/97 <br />3S'/70" <br />!0` <br />65-90` <br />Monitor Only <br />Report <br />Statistical Difference or <br />Design Capacity,(or aU three <br />outfaUs <br />BPT <br />State EjPubem Requlatioru <br />Water Quality Stzndards ` <br />SaUniry Regulatutns <br />State Permit Regulatioru <br />Stare Pctmit Regulations <br />WET, Acute (Outfalls 022, 024J <br />Usti! 12/31/96 Report State Permit Rcgulatioru <br />As oj01/01/97 LC SO > 100% State Permit Regulations <br />Iron (PD), mg/1 - 0.3" Water Quality Standards <br />Zinc (IR), mgA 0.23'/0.4 Previous Permit limits <br />~~~d <br />' 30-day average <br />` Daily Maximwn <br />` Minimwn-Maximum <br />` Unacceptable levels of acute taxiciry at Outfalls 003, 022,'and 024'aie discussed in See7ion V/:A.3.fbjthis rationale. <br />` For Outfa1F024, the pH limit of 6. S s. u. - 9.0 s. u- is based on xnter quality (6. S r. u. J and federal standards (9.0 s. u.). <br />Table Vl-3 - Bflluent Litnitutiotu (Otq/aU 023) <br />Oil and Grease, mg/! ]0" State EjJluenr Regulations <br />pH, s. u. 6.S - 9.0` Water Quality Standards/BPT <br />Total Residual Chlorine, mg/! 0.3° State Effluent Regulations <br />Fecal Colijorms, N/IOOmI 2000" Water Quality Standards <br />TDS, mg// Monitor Only Salinity Regulations <br />BODS, mg/l (lbs/day) 30 (3.0) State EJJluent R.^gulations <br /> 4S (4. Sr <br />° 30day average/?-day average <br />° Dni(y Maxurwm <br />` Minimum-Maximum <br />" Unacceptable levels ojacure toxicity at Outfall 023 is discussed in Section vl.A.3.jojrnis rationale. <br />