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COLORADO DEPARTMENT OFPURUCHF.ALTtl AND 4MROMENT, Water QudMy Control DivisioN <br />Rmlmak Pagr 4. COG - 0500000 Sand and Grand Genaal Puna <br />Table 117- S- Granhlte /suhnart AL) <br />Effluent Parameter <br />Discharge Lin kadons <br />Radonale <br />3ODayAv,g <br />7DaYAw <br />Da*_ Max <br />Flow, mgd <br />Awn <br />NA <br />Report <br />DU charge Evaluation <br />Total S ed Solids, m <br />10 <br />NA <br />20 <br />Federal E cent Guidelines <br />X s.u. <br />NA <br />NA <br />6.5 -9.0 <br />Water Standards <br />Oil and Grease, Nd <br />NA <br />NA <br />10 <br />State §&Sa Regulations <br />Total Iron, m <br />I <br />NA <br />1 2 <br />Federal E cent Guidelines <br />Sin <br />Site <br />Selenium, u <br />Various <br />NA <br />Various <br />Water Quality Standards <br />Total RecoverableIron, u <br />1,000 <br />NA <br />NA <br />Water Standards <br />Dissolved Iron <br />300 <br />NA <br />NA <br />Water Quality Standard <br />Metals, U94 <br />Various <br />NA <br />Various <br />Water Qgalsty Standards <br />wda. uz4 <br />Various <br />I NA <br />Various <br />I Water Quality Standards <br />Whole Iffluent T ' <br />Stat. Di & IC2S?jwC State Per"I ft Limitations <br />Chronic <br />Acute <br />LC50>100*/ <br />State Permit Limitations <br />Total Dissolved Solids, Me <br />R rt <br />NA <br />R port <br />Salim Regulations <br />Total Phosphorus, M99" <br />R rt <br />NA <br />0.2-1.0 <br />ContralRegulations <br />Footnotes ,'*'; and * * ** can be found under Table III -1 <br />INN <br />The water quality -based limit for dissolved fluoride applies only on Water Supply segments. The more stringent limit (WQS, ELG) will apply. <br />Table HI_ 6 Batek Plant - Conerete and got Asokak <br />Efjbwd Parameter <br />Discharge <br />Limitations <br />Rationale <br />3#DayArm <br />7 Day Avg <br />D Max <br />Flow, an d <br />Report <br />NA <br />Report <br />Duch a Evaluation <br />Total SMAIMM494 Soltds, MR/7 <br />30 <br />NA <br />45 <br />State Effluent Regulations <br />H, s. u. <br />NA <br />NA <br />6.5 -9.0 <br />Water 1 Standards <br />Oil and Grease, M4 <br />NA <br />NA <br />10 <br />State E went Regula dons <br />Total Iron, m <br />1 <br />I NA <br />2 <br />Federal fiffEent Guidelines <br />Site <br />SeleMu u <br />Various <br />NA <br />Various <br />Water Quality Standards <br />Total Recoverable Iron <br />Dissolved Iron <br />Metals, uz4 <br />Various <br />NA <br />Various <br />Water Quality Standards <br />anics, u <br />�`anous <br />NA ' <br />Various <br />Water all Standards <br />Whole_ Effluent Toxicity <br />Chronic <br />Stat & IC2S >IWC <br />State Permit Limitations <br />Acute <br />LC50>100016 <br />State Permit Limitations <br />Total Dissolved Solids, mgx <br />Report <br />NA <br />AWort <br />Salinity Agpladons <br />Total Phosphorus, MO, <br />I Report <br />I NA <br />1 0.2 -1.0 <br />Control Regulations <br />Footnotes *, **, ***, and * * ** can be found under Table III -1 <br />"00. The water quality -based limit for dissolved fluoride applies only on Water Supply segments. The more stringent limit (WQS, ELG) will apply. <br />IV. EXPLANATION OFPERMITLMTATIONS <br />a. Reputations for Effluent Limitations ( Regulation JNo. — Regulation 62.4 includes of luent limitations that apply to all discharges <br />of wastewater to State waters. These regulations are the basis for the oil and grease limitations and some of the total suspended <br />solids CM) limitations in the tables above. These regulations do not apply when there are federal Effluent Limitation Guidelines <br />associated with a facility. <br />b. Twhnolopv-Based Limitations (Teal Ftiluent Limitadofl Guidelines) —Federal Effluent Limitation Guidelines (ELG's) have <br />been promulgated for these facilities and must be applied to these discharges, unless a more stringent Water Quality Star ,Iarv' <br />exists. The Water Quality Standards in maw areas of the state are often more stringent than the federal ELG's, and the a <br />may be substituted in a certification. <br />c. Water Quality Styq}darI-based Limitaaon.F Omkireas to Surface M=1- Water quality -based limits are imposed for pH. <br />Water quality-based reporting may also be imposed for other pollutants of concern based on the discussion thatfollows. <br />