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<br />• <br />?ART I <br />Page 10 of Zy <br />PERMIT NO:CO-0033685 <br />3. Monitoring Requirements (Continued) <br />The analytical method selected for a parameter should be the one !hat <br />can measure the lowest detection limit for that parameter, unless the <br />State Standard is within the testing range of another approved method. <br />Any parameters that demonstrate instream levels in excess of those found <br />in Tables 1, II G III of "Regulations Establishing Basic Standards And An <br />Antidegration Standard And Establishing A System For Classifying State <br />Waters, For Assigning Standards and for Granting Temporary Modification" <br />or appropriate Federal BPT standards may require additional monitoring as <br />directed by tha Water Quality Control Division. The additional monitoring <br />will lake place on a monthly basis for a six month period. Parameters <br />that remain in excess of the table values listed above may be required to <br />meet instream limits and the permit may be modified to incorporate <br />these parameters as effluent limitations. <br />(B) For mine water or drainage from an open pit or underground <br />mine, a sample must be analyzed from each discharge point. <br />(C) For surface runoff controls, if there are several with <br />• discharges, it is not necessary to sample the discharge from <br />each facility, provided that those sampled will be representa- <br />tive of the various discharges. The minimum number of discharges <br />sampled should be the greater of the following: [wo discharges, <br />or 10$ of the total number of discharges. <br />• <br />5/St <br />