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PART I <br /> Page 7 of 15 <br /> Permit Number: CO-0033367 <br /> A. EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS (Continued) <br /> 6 . Monitoring Requirements <br /> In order to obtain an indication of the probable compliance or non- <br /> compliance with the effluent limitations specified in Part I , the <br /> permittee shall monitor and report all effluent parameters at the <br /> following required frequencies. <br /> Effluent Parameter Measurement Frequency m/n/ Sample Type o <br /> Flow Weekly Instantaneous <br /> Total Suspended Solids Monthly Grab <br /> Total Iron Monthly Grab <br /> pH Weekly Grab <br /> Oil 5 Grease Weekly Visual Observation <br /> Self-monitoring samples taken in compliance with the monitoring requirements <br /> specified above shall be taken at the following location(s) : At discharge 002, <br /> industrial wastewater, prior to entering Ci ruela Canyon, 3/4 miles from the Purgatoi re <br /> River. <br /> m/ Monitoring is required only during periods of discharge. If "no discharge" <br /> occurs, this shall be reported at the specified frequency. (See Part B) . <br /> n/ Quarterly samples shall be collected during the months of March, June, <br /> September, December, if a continual discharge occurs. If the discharge <br /> occurs on an intermittent basis , all the samples shall be collected during <br /> the period when that intermittent discharge occurs. <br /> o/ See definitions, Part B. <br />