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PART I <br />Page 8c <br />Permit No. CO-0044776 <br />B. MONTTORING REQUIIZEMENTS <br />1. Frequency and Sample Type (continued) <br />b. Outfall 002 <br />Effluent Parameter <br />Flow, MGD <br />Total Suspended Solids, mg/@ <br />Total Iron, mg/@ <br />Settleable Solids, m@/@ <br />Oil and Grease, mg/@ <br />pH, s.u. <br />Whole Effluent Toxicity, Acute <br />c. OIl and Grease Monitoring <br />Measurement Frequency Sample Tvue <br />Weekly Instantaneous <br /> or Continuous <br />Monthly Grab <br />Monthly Grab <br />Monthly Grab <br />Weekly Visual <br />Weekly In-siru <br />Quarterly Grab <br /> <br />For every ouffall with oil and grease monitoring, in the event an oil sheen or floating oil is observed, a grab <br />sample shall be collected, analyzed, and reported on the appropriate DMR. In addition, corrective action shall <br />be taken immediately to mitigate the discharge of oil and grease. A description of the corrective action taken <br />should be included with the DMR. <br />Self-monitoring sampling by the permittee for compliance with the monitoring requirements specified above shall be <br />performed at the following locations: ouffalls 001, 002 and 003 -all after fmat treatment and prior to entering Deer <br />Trail Ditch. <br />d. Ouffall 004 <br />Effluent Parameter <br />Flow, MGD <br />5-Day Biochemical Oxygen Demand, <br />Total Suspended Solids, mg/@ <br />Fecal Coliform, No./100 m@ <br />Total Residual Chlorine, mg/@ <br />Oil and Grease, mg/@ <br />pH, s.u. (minimum-maximum) <br />Measurement F`reauency <br />Continuous <br />Monthly <br />Monthly <br />Monflily <br />Weekly <br />Weekly <br />Weekly <br />Influent Parameter <br />Flow, MGD <br />5-Day Biochemical Oxygen Demand, <br />(BODs), mg/@ (Ib/daY) <br />Total Suspended Solids, mg/@ <br />Measurement Freauencv <br />Continuous <br />Monttly <br />Monthly <br />Sample Tvoe • <br />Recorder <br />Composite <br />Composite <br />Grab <br />Grab <br />Visual <br />In-situ <br />Sample T'vue <br />Recorder <br />Composite <br />Composite <br />Self-monitoring sampling by the permittee for compliance with the monitoring requirements specified above shall br <br />performed at the following locations: ouffall 004 -- afer the chlorine contact chamber and prior to Pond B, influent <br />-- after the equalization basin <br />See Part I.C. for Definitions. <br />Amendment No.2Issued DGC 1'~ 20~kTfecave <br />~~p? f? t P?~~(~ <br />l <br />