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q <br />PARTI <br />Page No. 17 <br />Permit No.: CO-0000221 <br />iii. The PTI/TIE reveals other unique conditions or characteristics which, in the opinion of the Division, justify the <br />incorporation of unanticipated special conditions in the permit. <br />iv. The Division may reopen this permit and impose chronic toxicity limits where chronic toxicity is identified. <br />B. MONITORING REQUIREMENTS <br />1. Frequency and Sample Type <br />in order to obtain an indication of the probable compliance or noncompliance with the effluent limitations specified in Part <br />I.A.1, the permittee shall monitor all effluent parameters at the following frequencies. Such monitoring will begin <br />immediately and last for the life of the permit unless otherwise noted. The results of such monitoring shall be reported on the <br />Discharge Monitoring Report form (See Part I.E.) <br />See Part I.C. for Definitions. <br />a. Outfalls 005 and 011 <br />Effluent Parameter Frequency OS ample Type <br />Flow, MGD Once per month Instantaneous or Continuous <br />pH s. u. (mit iwu nm maxinnxm) <br /> <br />Oil and Grease, mg/1 <br />Total Dissolved Solids, /1 Once_per month <br /> <br />Once per month <br />Quarterly ? In-situ <br />t <br />Visual <br />- Grab _- <br />Iron, TR, ug/1 Once per month Grab <br />Settleable Solids, ml/1 Once per month Grab <br /> <br /> <br />* Monitoring may be exempted upon demonstration of inaccessibility <br />b. Outfall 006 <br />Effluent Parameter <br />Flow, MGD <br />pH, s.u. (minimum-maximum) <br />Oil and Grease, mg/1 <br />Total Dissolved Solids, mg/1 <br />Iron, TR, ug/1 <br />Manganese, PD, ug/1 <br />Selenium, PD, ug/1 <br />Settleable Solids, ml/1 <br />Frequency Sample Tyne <br />Once per month Instantaneous or Continuous <br />Once per month In-situ <br />Once per month Visual <br />Quarterly Grab <br />Once per month Grab <br />Quarterly Grab <br />Once per month Grab <br />Once per month Grab <br />* Monitoring may be exempted upon demonstration of inaccessibility through out the monitoring period <br />c. Outfall 008 <br />Effluent Parameter <br />Flow, MGD <br />pH, s.u. (minimum-maximum) <br />Oil and Grease, mg/1 <br />Total Dissolved Solids, mg/1 <br />Total Recoverable Iron, ug/I <br />Frequency <br />Once per month <br />Once per month <br />Once per month <br />Quarterly <br />Once per month <br />Sample Type <br />Instantaneous or <br />Continuous <br />In-situ <br />Visual <br />Grab <br />Grab