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RT I <br />~ge 5 of 14 <br />Permit .JO: CO-0036781 <br />• d. The person(s) who performed the analyses; <br />e. The analytical techniques or nethods used; and <br />f. The results of all required analyses. <br />6. Calculations for all limitations which require averaging of <br />measurements shall utilize an arithmetic mean unless otherwise <br />specified. <br />7. .4dditional Monitoring by Permittee <br />If the permittee monitors any pollutant at the location(s) designated <br />herein more frequently than required by [tiffs permit, using approved <br />analytical methods as specified above, the results of such monitoring <br />shall be included in the calculaCion and resorting of the values <br />required in the Discharge .Monitoring Report Form (EPA No. 3320-1), <br />or other forms as required by [he Division, Such increased frequent/ <br />shall also be indicated. <br />8. Records Retention <br />All records and information resulting from r_he ^onitoring activities <br />required by this permit including all records of analyses performed <br />• and calibration and maintenance o' instrumentation and recordings <br />from continuous monitoring instrumentation shall be retained for a <br />minimum of three (3) years, or longer if requested by the Regional <br />Adminis~rator or the State 'dater ^uality Control Divisicn. <br />• <br />t/91 <br />