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<br />• PART I <br />Page 4 of 13 <br />Permit No. CO-0032751 <br /> <br />A. EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS (Continued) <br />2. Monitoring Requirements <br /> In order to obtain an indication of the probable compliance or <br /> non-compliance with the effluent limitations specified in Part 1, the <br /> permit[ee shall monitor and report all effluent parameters at the following <br /> required frequencies. <br />Effluent Parameter Measurement Frequency d!_ SamF~le Type <br />Flow - m3/Day (MGD) Weekly instantaneous <br />Total Suspended Solids - Monthly Grab <br />Total Copper Monthly Grab <br />Total Zinc Monthly Grab <br />PM Weekly Grab <br />Total Lead Monthly Grab <br />To [al Mercury Monthly Grab <br />Self-monitoring samples taken in compliance with the monitoring requirements <br />specified above shall be taken at the following location(s): At the outfall DDi, <br />after the final treatment unit, prior [o mixture with receiving watErs. <br />d/ Monitoring Is required only during periods of discharge. If "nc discharge" <br />occurs, this shall be reported at the specific frequency. (See Part I. B.) <br />e/ See definitions Part i. B. <br />