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PART I <br />Page 16 <br />Permit No. COG-500000 <br />F. GENERAL REQUIREMENTS <br />2. Analytical and Sampling Methods for Monitoritta <br />Analytical and sampling methods utilized by the discharger shall conform to Colorado Regulations for Effluent <br />Limitations (10.1.5), and to regulations published pursuant to Section 304(h) of the Clean Water Act. <br />The analytical method selected for a puameter shall be the one that can measure the lowest detected limit for that <br />parameter unless the permit limitation or stream standard for those parameters not limited, is within the testing range of <br />another approved method. <br />3. Recor <br />The permittee shall establish and maintain records. Those rocords shall include the following: <br />a. The date, type, enact location, end time of sampling or measurements; <br />b. The individual(s) who performed the sampling or measurements; <br />c. The date(s) the analyses were performed; <br />d. The individual(s) who performed the analyses; <br />e. The analytical techniques or methods used; <br />f. The results of such analyses; and <br />g. Any other observations which may result in m impact on the quality or quantity of the discharge as indicated in <br />40 CFR 122.44 (i)(1)(iii). <br />The permittee shell retain for a minimum of three (3) years records of all monitoring information, including all original <br />strip chart recordings for continuous monitoring instrumentation, all calibration and maintenance records, copies of all <br />reports required by this permit and records of all data used to complete the application for coverage under this permit. <br />This period of retention shall be eztwded during the worse of any unresolved litigation regarding the discharge of <br />pollutants by the permittee or whrn requested by the Division or Regional Administrator of EPA. <br />PART II <br />A. MANAGEMENT REQUIREMEN'T'S <br />1. Chance in Discharne <br />The permittee shall inform the Division (Permits and Enforcement Section) in writing of any intent to wnstmct, install, <br />or alter any process, facility, or activity that is liltely to result in a new or altered discharge of process water, and shall <br />famish the Division such pleas and specifications which the Division deems reasonably necessary to evaluate the effxt <br />on the discharge and receiving stream. <br />The permittee shall submit this notice within two (2) weeks after making a detr i~nr'on to perform the type of activity <br />referred to is the preceding paragraph. Process modifications include, but are not limited to, the introduction of any <br />new pollutant not previously identified in the permit, or.any other modifications which may result in a discharge of a <br />quantity or quality different from that which was evaluated in the drafting of the permit including subsequent <br />amendments. Following such notice, the permittee shall be required to submit a new CDPS application, and may be <br />required to be covered under en individual pemvt to specify and limit any pollutants not previously limited, if the new <br />or altered discharge might be inwnsisfeat with the waditioas of the geoenl permit. In no case shall the permittee <br />implement such change without fast notifying the Division. <br />2. Special Notifications - DeFnifions <br />a. Bypass: The intentional diversion of waste streams from any portion of a treatment facility. <br />