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COLOR,gDO DEPARTrLIENT OF pURL1C HEALTFI AND Er\'VIRONrb1ENT, Water Quulrty Control Divuton <br />Rnnurrale ~Inrendnrent No. I Pnge 4, permit No CO-000022/ <br />Vt. TERMS AND CONDITIONS OF PEIUYI/T <br />• <br />A. Urtermu:ation of Effluent Limitations <br />Effluent Limimtions: In developing suitable effluent limitations, the Division nurst review al! applicable <br />stmtdnrds and regulnnorts and apply those x•Irich are more stringent. This review includes. bur is not irnrited <br />to: t/te water quality standard bused effluent limitations, federal guidelines artd stmrdards (40 CFR Subchapter <br />N) and the Regulntiorts for Effluent Limitations (Regrdntron No. 62J. Such a rcvrew has been done for this <br />facility. T/te only parameters jot which lintitatiorrs have been determined to be necessary are shown ur Tabfes <br />VI l and VI-2 witk the applicable limitations. Tice basis for these lunitattorts rs discussed in sections Vl.A.2 and <br />Vl. A. 3. <br />Tahle VI-! -- Effluent I imitations for OutjalA 0l2, 0/3, Of4, 0I6 and 0!7 <br />Discharge Limitations <br />Maximum Cortcentralions <br />Parameter 30-Day Avg. Daily rbfax. Rationale <br />Flow, h1GD Report Report Design Capacity <br />r~ <br />L <br />Total Suspended Solids, mg/P* <br />Total Iron, mg/P* <br />Settleable Solids, mP/P' <br />Oil and Grease, mg/P <br />pH, s. u. (minimum-macinurm) <br />Totes! Dissolved Solids, nig/P <br />35 70 Federal Effluent Guidelines <br />3.0 6.0 Federnl Effluent Guidelines <br />Report 0.5 Federnl Effluent Guidelines <br />Report JO State Effluent Regulations <br />N/A 6.5-9.0 Water Qrmliry Standards <br />Repoli Report CO River Salinity Standards <br />Whole Effluent Toxicity. Acute N/A LCS„> 10070 State Effluent Regulations <br />Table VI-3 -- Effluent Limitations for Ottfall 015 <br />Discharge Limitations <br />h/arimum Concentra(ions <br />Parameter 30-Day Avg. Daily rYfax. Rationale <br />Flow, MGD Report Report Design Capacity <br />Total Suspended Solids. mg/P' 35 70 Federal Effluent Guidelines <br />Total Iran, mg/!'* 3.0 6.0 Federal Effluent Guidelines <br />Settleable Solids, mP/P` Report 0.5 Federnl Effluent Guidelines <br />Oil and Grease, mg/P Report !0 Stare Effluent Regulations <br />pH, s. u. (minimum-mrtximum) N/A 6.5-9.0 Water Quality Standards <br />Totes[ Dissolved Solids, m,g/P Report Report CO River Salinity Standards <br />• <br />Total Suspended Solids and Total Iron limitanorrs are Primary Limitations. and SeHlertb(e Solids lintitatior7s are <br />Alternate Limitations. Fxernptron from these limitnnon.c due to storm everas is sribject to burden of proof <br />regrtirements -see section VL,q.3.b) <br />