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PARTI <br />Page No. 7 <br />Permit No.: CO-0047562 <br />B. 11ZONITORi\TG REQUIREMENTS <br />1. FreQUency and Sample Tvue <br />Iu order to obtain an indication of the probable compliance or noncompliance with the effluent linutations 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 pernzit unless otherwise noted. The results of such monitoring shall be reported on the <br />Discharge Monitoring Report form (See Part I.E.) <br />Outfa11001A <br />Effluent Parameter Frequent Sample Type <br />Flow, MGD Continuous Recorder <br />Chemical Oxygen Demand, mg/] Weekly Composite <br />Total Suspended Solids {TSS), mg/1 Weekly Composite <br />pH, s.u. (minimum-maximum) Weekly Grab <br />Oil and Grease, mg/1 Weekly Visual <br />Total Dissolved Solids, mg/l Quarterly Grab <br />Whole Effluent Toxicity, Chronic Lethality Quarterly 3 Composites/1'est <br />Total Arsenic, µg11 Weekly Composite i/ <br />Total Recoverable Cadmium, µg/1 Weekly Composite i/ <br />Total Recoverable Manganese, µg/1 Weekly Composite <br />Total Recoverable Selenitun, µg/1 Weekly Composite i/ <br />Total Recoverable Zinc, µg/1 Weekly Composite i/ <br />Total Uranium, ug/l Weekly Composite <br />Dissoh~ed Radium 226, pCi/l Weekly Composite <br />Total Radium 226, pCi/1 Weekly Composite <br />Outfall MONl <br />Effluent Parameter Frequency Sample Twe <br />Boron, mgll Monthly Composite <br />Total Recoverable Beryllium, ug/1 Monthly Composite <br />Total Recoverable Trivalent Chromium, ug/l Monthly Composite <br />Total Recoverable Lead, ug/1 Monthly Composite <br />Total Recoverable Nickel, ug/l Monthly Composite <br />Total Recoverable Vanadium, ug/1 Monthly Composite <br />Weak Acid Dissociable Cyanide, mg/l Monthly Composite <br />Self-monitoring sampling by the perntittee for compliance with the monitoring requirements specified above shall be <br />performed at the following location(s): Outfalls OOlA and DZONl, following treatmeut and prior to entering the middle <br />fork of Lumsdei- Creek. <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 Form (DMRs) or other forms as required by the Division. Such increased frequency shall also be <br />indicated. <br />