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PARTI <br />Page No. 8c <br />Permit No. CO-0000132 <br />• B. YIOMTORING REQUIItEMENTS <br />1. Frequencv and Sample Tvpe <br />In ordzr to obtain an indication o(the probable compliance or noncompliance with [hz effluen[ limitations specified in Part <br />LA. f, the permiuee shall monitor all effluent parameters at the following frequencies. Such moni[onn~ will begin <br />immedia[ely and last for the Itfe of the permit unless other•.vise noted. The resul[s of such monitoring shall be reported on <br />the Discharge Momtonng Report form (See Part LE.I.). <br />(a) Outfalls 007, 009. 010. 012 and 013 <br />Effluent Parameter Measurement Frequencv Sample Tvpe <br />Flow, MGD Monthly Instantaneous <br /> or Coninuous <br />Total Suspended Solids, mg/P Monthly Grab <br />Total Iron, mg/P Monthly Grab <br />Se[tleable Solids, mP/P Monthly Grab <br />Oil and Grease, mg/P Monthly Visual-See Part I.B.1.(c) <br />pH, s. u. Monthly In-situ <br />Total Dissolved Solids, mg/P Quarterly Grab <br />(b) Outfa11011 <br />Effluent Parameter Measurement Frequencv Sample Tvpe <br />Flow, MGD Weekly Instantaneous <br />• <br />Total Suspended Solids, mg/P <br />Monthly or Continuous <br />Grab <br />Total Iron, mg/P Monthly Grab <br />Oil and Grease, mg/P Weekly Visual-See Part I.B.1.(c) <br />pH, s.u. Weekly In-sim <br />Total Dissolved Solids, mg/P Quarterly Grab <br />Whole Effluent Toxicity, Acute Quarterly Grab <br />(c) Outfa11015 <br />Effluent Parameter Measurement Frequencv Sample Tvpe <br />Flow, MGD Weekly Instantaneous <br /> or Continuous <br />Total Suspended Solids, mg/P Monthly Grab <br />Total Iron, mg/P Monthly Grab <br />Oil and Grease, mg/P Weekly Visual-See Part 1.B.1.(c) <br />pH, s.u. Weekly in-situ <br />Total Dissolved Solids, mg/P Quar[erly Grab <br />Whole Effluent Toxicity, Chronic Quar[erly 3 Composites/Test <br />Szlf-monitoring sampling by the permit[ee for compliance with the monitoring requirements specified above shall be <br />performed at the following locations: surface runoff outfalls - 007, prior [o entering Hubbard Creek; 009 and 013, prior to <br />entering the North Fork of the Gunnison River; OIO, prior to entering Sanborn Creek; O12, prior to entering Elk Creek; <br />the Sanborn Creek Mine mine water outfall - 011, prior to entering Sanborn Creek, and the Elk Creek Mine mine water <br />outfall - 015, prior to entering Elk Creek. <br />• See Part I.C. for Definitions. '?,;, i J LIJW <br />Amendmeni No. 5 Issued <br />Effective <br />~1 AY U 1 2000 <br />