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COLORADO DEPART,tiIEtVI' OF PUBLIC HEALTH AND ENVIRONMENT, Water Quality Control Division <br />Rationale -Page I5, Permit No. CO-0045161 <br />The Division has established a limitation for BETX of 0.1 mglP that has been applied in several current permits. <br />If results indicate an exceedence of this limitation, the permit may be reopened to add monitoring at outfall <br />002a for this parameter, impose the effluent limitation artd/or other applicable condirions. Such actions would <br />be subject to public notice provisions. <br />C. Reporting <br />Discharge Monitoring Repon.• Colowyo Coal Company L. P., is required to submit a Discharge Monitoring <br />Report (DMR) on a ouanerly basis to the Division. Ibis report should contain the required summarization of <br />the lest results for parameters shown in Tables VI-4 and VI-S and Parts I. B. 1. and I.B.2. of the permit. See <br />Part l.E.1. of the permit for details on such submission. EPA no longer requires submittal of duplicate copies <br />of discharge monitoring reports for minor facilities to their agenry. Therefore, the US Environmental <br />Protection Agency Region VIII has been eliminated from 'Part LE.I. of the permit (Routine Reporting of <br />Data). <br />2. Soecial Reports: Special reports are required in the event of a spill, bypass, or other noncompliance. Please <br />refer to Part I.E. of the permit for reporting requirements and Pan !l.A. for notification requirements. <br />D. Additional Terms and Conditions <br />~,~natorv and Certi~tcation Requirements: Signatory and certification requirements for reports and submittals <br />are discussed in Part I.E.6. of the permit. <br />2. Materials Containment Plan.• The permiaee has submitted an engineered spill plan dated January 31, 1997 An <br />update to the plan is required to be filed within 90 days of the permit effective date, detailing all changes which <br />have occurred since the original submittal. If no changes have occurred, only a letter to this effect is required. <br />For specific requirements, refer to Pan I.D.1. of the permit. ' <br />E. Waste Minimization/Pollution Prevention <br />Waste minimization and pollution prevention are two terms that are becoming Increasingly more common in industry <br />today. Waste minimization includes reducing the amount of waste at the source through changes in industrial <br />processes, and reuse and recycling of wastes for the original ar some other purpose such as materials recovery or <br />energy production. Pollution prevention goes hand-in-hand with waste minimization. <br />If the waste rs eliminated at the front of the line, it will not have to be treated at the end of the line. The direct <br />benefits to the industry are often significant -both in terms of increased profit and in public relations. <br />Ibis program can affect all areas of process and waste control with which your industry deals. Elimination or <br />reduction of a wastewater pollutant can also result in a reduction of an air pollutant or a reduction in the amount of <br />hazardous materials that you have to handle and/or dispose. <br />This discharge permit does not speciftcally dictate waste minirnizatian conditions at this time. We strongly <br />encourage the permittee to develop a waste minimization plan. Several industries have already developed plans and <br />found that implementation resulted in substantial savings. Both the Colorado Department of Public Health and <br />Environment and EPA have information and resources available to help you explore this topic. <br />F. Specific Compliance Requirements <br />Submissions to the Division: The following are speciftc compliance items which require perminee action. <br />Please check the referenced parts of the permit far details ors what is required. <br />Event Permit Citation Due Date <br />Materials Containment Plan Update I.D.1. 90 days after effective date <br />Jon C. Kubic <br />Jtt1v 17. 1997 <br />