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PARTI <br />Page 8c <br />Permit No. CO-0044776 <br />B. MONITORING REQUIREMENTS <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 />Measurement Frequency Samnle Tvoe <br />Weekly Instantaneous <br /> or Continuous <br />Monthly Grab <br />Monthly Grab <br />Monthly Grab <br />Weekly Visual <br />Weekly In-situ <br />Quarterly Grab <br />c. Oil and Grease Monitoring <br />For every outfall with oil and grease monitoring, in the event an oil sheen or floating oil is observed, a grab <br />sample shall be collected, aaalyzed, 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 motitoring requirements specified above shall be <br />performed at the following locations: outfalls 001, 002 and 003 -all after final treatment and prior to entering Deer <br />Trail Ditch. <br />d. Outfall 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 />Influent Parameter <br />Flow, MGD <br />5-Day Biochemical Oxygen Demand, <br />BGDs), mgl¢ pb/daY) <br />Total Suspended Solids, mg/¢ <br />Measurement Frequency Samnle Tvce <br />Continuous Recorder <br />Monthly Composite <br />Monthly Composite <br />Monthly Grab <br />Weekly Grab <br />Weekly Visual <br />Weekly In-siru <br />Measurement Frequency Sample Tvue <br />Continuous Recorder <br />Monthly Composite <br />Monthly Composite <br />Self-monitoring sampling by the permiaee for compliance with the monitoring requirements specified above shall be <br />performed a[ the following locations: outfall 004 -- after the chlorine contact chamber and prior to Pond B, influent <br />-- after the equalization basin <br />See Part LC. for Definitions. <br />AmendmentNo.2Issued ~GG ~ ~ 20l~fective <br />c~~? 11 i ~~~~ <br />