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