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PART R <br />Page No. 8 <br />Permit No. COG-850000 <br /> Limitations <br />- ' " _ Monitoring Sample <br />Parameter - 30-Day 7-Day Daily, Rationale Frequency' Type <br /> Avg. Avg. Max. <br /> <br />General P <br />------------------------------------ <br />ermit Re <br />quirements------------------------------ <br />-_______ <br />Continuous / <br /> <br />Recorder <br />Flow, MGD Repor[ NA Report Discharge Evaluation Instantaneous' In-situ z <br />s.u. <br />pH N/A NA 6.5-9.0 Water Quality Standards Weekly Grab <br />l' <br />Vi <br />, <br />Oil and Grease, mg/1 N/A NA 10 State Effluent Regulations Weekly sua <br /> <br />Federal Effluent Limi <br />------------------------------- <br />NA <br />tation Guidelines----------------------_________-_ <br />70 Federal ELG Weekly <br /> <br />Grab <br />Total Suspended Solids, mg/1 35 <br />Total Iron, mg/1 <br />Existing Sources (before 3.5 NA 7.0 Federal ELG Weekly Grab <br />5/4/84) 3.0 NA 6.0 <br />New Sources (after 5/4/84) <br />Settleable Solids, ml/1 <br />Report <br />NA <br />0.5 <br />Federal ELG <br />Weekly <br />Grab <br /> <br />mg/1 * <br />Total Dissolved Solids ---Site Specific Limitations------ <br />Report NA Report ------------------~ <br />Salinity Regulations "'~---- <br />Quarterly a <br />Grab <br />, <br />Total Phosphorus (as P), mg/1 *i Report NA Various Control Regulations Monthly Grab <br />Total Recoverable Iron, ug/1 1000 NA NA Water Quality Standards Weekly Grab <br />Other Pollutants of Concern Various NA Various Water Quality Standards Weekly Grab <br />Whole Effluent Toxicity (WET) <br />Chronic Stat Diff and IC25 >_ IWC State Permit Limitations Quarterly 3 Grab/Test <br />Acute LC50 > 100% State Permit Limitations ~ Grab <br />Footnotes 1-4, * , ** ,and *** can be found under Part I.B.1 and Part I.B.2 <br />5. Effluent Limitations and Monitoring Requirements -Acid or Ferruginous Mine Drainage <br />The above category is subject to 40 CFR Part 434 Subparts C (Acid or Ferruginous Mine Drainage). At a minimum, the <br />following limitations may apply as outlined in these subparts. <br />~~.. ~ - ~Liinitations .Monitoring <br />`Parameter 30-Day '' 7-Day.. .Daily Rationale Frequency i, ` <br />_ - <br />Avg. <br />Avg: <br />Max, <br />-----General Pe <br />- - -~ ~ rmit Requirements- --------_____________ _______ <br /> Continuous / <br />Flow, MGD Report NA Report Discharge Evaluation Instantaneous' <br />s.u. <br />pH N/A NA 6.5-9.0 Water Quality Standards Weekly <br />, <br />Oil and Grease, mg/1 N/A NA 10 State Effluent Regulations Weekly <br />---Federal Effluent Limitation Guidelines------_----________r _--__- <br />Total Suspended Solids, mg/1 35 NA 70 Federal ELG Weekly <br />Total Manganese, mg/1 2.0 NA 4.0 Federal ELG Weekly <br />Total Iron, mg/1 <br />Existing Sources (before 5/4/84) <br />3.5 <br />NA <br />7.0 <br />Federal ELG <br />Weekly <br />New Sources (after 5/4/84) <br />Settleable Solids, ml/I 3.0 <br />Report NA <br />NA 6.0 <br />0.5 <br />Federal ELG <br />Weekly <br />Site Specific Limitations---- ---------_____________~___- <br />i <br />l ________ <br />° <br />Quarterl <br /> <br />Total Dissolved Solids, mg/1 * <br />** <br />Report <br />NA <br />NA <br />Report <br />Various <br />ons <br />at <br />Salinity Regu <br />Control Regulations y <br />y <br />Monthl <br />Total Phosphorus (as P), mg/1 Report <br />ug/I *** <br />Total Recoverable Iron 1000 NA NA Water Quality Standards Weekly <br />, <br />Other Pollutants of Concern Various NA Various Water Quality Standards Weekly <br />Whole Effluent Toxicity (WET) <br />Chronic Stat Diff and IC25 >_ IWC State Permit Limitations Quarterly <br />Acute LC50 > 100% State Permit Limitations <br />Footnotes 1-4, * , ** ,and *** can be found under Part I.B.1 and Part I.B.2. <br />Sample , ; <br />Type '- <br />Recorder / <br />In-situ z <br />Grab <br />Visual s <br />Grab <br />Grab <br />Grab <br />Grab <br />Grab <br />Grab <br />Grab <br />Grab <br />3 Grab/Test <br />Grab <br />