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<br />;+ONITORING AND REPORTING <br />1. Representative Sampling <br />• Page 5 of 13 <br />Permit No. CO-0032751 <br />Samples and measurements taken as required herein shall be repr~:sentative <br />of the volume and nature of the monitored discharge. <br />2. Reporting <br />Monitoring results obtained during the previous 3 months shal'I be summarized <br />for each month and reported on applicable discharge monitoring report forms, <br />postmarked no later than the 28th day of the month following the: completed <br />reporting period. The first report is due on October 28, 1976. <br />If no discharge occurs, "No Discharge" shall be reported. Duplicate signed <br />copies of these, and all other reports required herein, shall be: submitted <br />to the Regional Administrator and the•State at the following addresses: <br />Colorado Department of Health U.S. Environmental Protection Agency <br />Water Quality Control Division 1860 Lincoln Street - Suite q00 <br />4210 East 11th Avenue Denver, Colorado 80203 <br />Denver, Colorado 80220 Attention: Enforcement - Permit Program <br />3• Definitions <br />a. A "composite" sample, for monitoring requirements, is defined as a <br />minimum of four (4) grab samples collected at equally spaced two (2) <br />hour intervals and proportioned according to flow. <br />b. A "grab".sample, for monitoring requirements, is defined as a single <br />"dip and take" sample collected at a representative point In the discharge <br />stream. <br />e. An "instantaneous" measurement, for monitoring requirements, is defining <br />as a single reading, observation, or measurement using existing monitoring <br />facilities. • <br />4. Test Procedures <br />Test procedures for the analysis of pollutants shall conform to regulations <br />published pursuant to Section 304(9) of the Act, and Colorado State Effluent <br />Limitations (400), under which such procedures may be required. <br />$. Recording of Results <br />For each measurement or sample taken pursuant to the requirement. of <br />this permit, the permittee shall record the following information: <br />a. The exact place, date, and time of sampling; <br />b. The dates the analyses were performed; <br />c. The person(s) who performed the analyses; <br />