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COLORADO DEPARTMENT OF PUBLlC HEALTHAND ENVIRONMENT, Wrster Quality Control Division Rationale-Page 9, Permit No. CO-0027!46 Table VI-7 Flow, MGD pH, s.u. Oil and Grease, mg/1 TDS, mg/1 Settleable Solids, mU! u no[ea, a gran sample C. Reporting Onceper Week Instantaneous/Continuous Once per Week In-Situ Once per Week Visual Once per Quarter Grab Once per Month Grab dlected artd analysed for oi[ and grease. The results are to be reported on the OMR under parameter 1. Dtscharge Mpnitortn2 Report.• The Snowcap Coal Company, Inc. shall submit Discharge Monitoring Reports (DMRs) on a monthly basis to the Division. These reports should contain the required summarization of the test resulu for parameters shown in Tables VI-S, VI-6, and YI-7 above and Part LB.1 ojthe permit. See the permit, Part I.EI. jor details on such submission. 2. ~ecial Reports: Special reports are required in the event of a spill, bypass, or other noncompliance. Please refer to Part I.E. of the permit for reporting requirements. D. Additional Terms and Conditions 1. Sip»atorv and Certification Requirements: Signatory and cemfication requirements for reports and submittals are discussed in Pan I E.6. of the permit. 2. Compliance Schedules: All information and written reports required 6y the following compliance schedules should be directed to the Permiu Unit jor final review unless otherwise stated. a. Materials Containment Plan: An update to the materials containment plan is required to be filed within 90 days of the permit effective date, detailing all changes that have occurred since the original submittal. Ijno changes have occurred since the previous submittal, a letter to this effect is required. For specific requiremenu, refer to Part I.D.1. ojthe permit. 90508 Materials containmentplan update Part IA.4. 3/37/04 b. Salini As summarized in this rationale, the total salinity loading from this facility exceeds that allowable in Section 61.8(2)(1) of the Colorado Discharge Permit System Regulan'ons (Regulation No. 61). The regulations sped that in such cases, the permittee must submit a report addressing salinity. Because there is no record that the permittee has previously submitted this report a compliance schedule is included for the performance of the study. However, if a report has previously been submitted, the permittee should submit a copy of this report in lieu ojthe performance of another study. ~£' '~' 'S" ° '3 '°=[.n$~ i ~ ~r `§k "$, b=°.u- t` t y~ s+4 aT t ! P r~ p+~' a` -0.~'dfS:XE ~tlCade~,x"~ Eveh~~,:.;z~x~,t~,1.~,~~1,~~~~-PermztgCzta`feon~~ ~DuaDate,~~ ~,_ _~~~!,;f 50008 Salinity study Part LA.4. 6/30/04 E. Waste Minimization/Pollution Prevention Waste minimization and pollution preventiors are nvo terms that are becoming increasingly more common in industry today. Waste minimization includes reducing the amount of waste at the source through changes in industrial processes, and reuse and recycling of wastes for the original or some other purpose (such as materials recovery or energy production). Pollution prevention goes hand-in-hand with waste minimization. If the waste is eliminated at the front of the line, it will not have to be treated at the end of the line. The direct benefits to the industry are often significant, both in terms of increasedprofit and in public relations. This program can affect all areas of process and waste control with which art industry deals. Last Revised: !//3/2003