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PARTI <br />Page No. 8 <br />Permit No.: CO-0027146 <br />a. Outfalls 001. 002.016 <br />Effluent Parameter Frequencv <br />Flow, MGD Once per Week <br />Total Suspended Solids (TSS), mg/1 Once per Month <br />pH, s.u. (minimum-maximum) Once per Week <br />Oil and Grease, mg/1 Once per Week <br />Total Dissolved Solids, mg/1 Once per Quarter <br />Whole Effluent Toxicity, Acute* Once per Quarter <br />Total Iron, ug/1 Once per Month <br />Sample Tvae <br />Instantaneous/Continuous <br />Grab <br />In-Situ <br />Visual <br />Gmb <br />Grab <br />Grab <br />* Outfall "RSMW" is established as the ouffall for acute WET testing. This ouffall is equivalent to a composite sample <br />consisting of one grab sample each from ouffalls 001, 002, and 016, as applicable, and proportioned to flow. <br />b. Ouffalls 005. 007, 008, 009. 010, 011. 014 <br />Effluent Parameter Frequencv Sample Tvoe <br />Flow, MGD Once per Week Instantaneous/Continuous <br />Total Suspended Solids (TSS), mg/I Once per Month Grab <br />pH, s.u. (minimum-maximum) Once per Week In-Situ <br />Oil and Grease, mg/1 Once per Week Visual <br />l Total Dissolved Solids, mg/1 Once per Quarter Grab <br />l Total Iron, ug/1 Once per Month Grab <br />Settleable Solids, ml/1 Once per Month Grab <br />c. Outfalls 012, 013 <br />Effluent Parameter Frequencv Sample Tvae <br />Flow, MGD Once per Week Instantaneous/Continuous <br />pH, s.u. (minimum-maximum) Once per Week In-situ <br />Oil and Grease, mg/I Once per Week Visual <br />Total Dissolved Solids, mg/1 Once per Quarter Grab <br />Settleable Solids, tnl/1 Once per Month Grab <br />Self-monitoring sampling by the petmittee for compliance with the monitoring requirements specified above shall be <br />performed at the following locations: outfalls 001, 002, and 016 - at the ouffall from the mine water discharge stmctures; <br />outfalls 005, 007, 008, 009, 010, 011, 012, 013, and 014 - at outfalls of the sedimentation ponds prior to entering the <br />immediate receiving waters. <br />If the permittee, using the approved analytical methods, monitors any parameter more frequently than required by this permit, <br />then the results of such monitoring shall be included in the calculation and reporting of the values required in the Discharge <br />Monitoring Report Fotm (DMRs) or other forms as required by the Division. Such increased frequency shall also be <br />indicated. <br />~e Part I.C. for Definitions. <br />MDperBP.doc <br />Revised 09/IS/03 <br />