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STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Phone: (303) 8663567 <br />FAx: (303) 832-8106 <br />Interoffice MEMORANDUM <br />to: DMR file, C-1981-019 ~ <br />from: Byron G. Walker <br />subject: Review of ] st Quarter 2005 DMR CO-00045161 <br />COLORADO <br />DIVISION OF <br />MINERALS <br />GEOLOGY <br />REC LANATION•NINING <br />EAFETY•SCIENCE <br />Bill Owens <br />Govemar <br />Russell George <br />Executive Director <br />Ronald W. Cattany <br />Division Director <br />date: July 21, 2005 Natural Resource Trustee <br />ref: Colowyo letter to CDPHE, Apri122, 2005, Re: Colowyo Coal Company, L.P. <br />(Colowyo); CDPS NO. CO-00045161; First Quarter 2005 Discharge Monitoring <br />Reports (DMR) <br />A comparison of dischazge reported to DCPHE and as observed by Division inspectors are as <br />outlined in the following table. There is good correlation between the two. <br />Dischar e Dischaz e Re orted? Dischar e Observed? <br /> Jan Feb Mar <br /> <br />Streeter, OOlA yes es yes es <br />Work Area, 002A es none es none <br />Gossard Loadout, 003A es none es none <br />Gulch A, 004A none none none <br />Stoker Coal, OOSA es es es <br />Rail Loo , 006A none none <br />Pros ect, 007A none none none <br />West Pit, 008A none none <br />Section 16, 009A none <br />Ta lor, O1 OA none none <br />` not observed if blank <br />Compliance with rules: <br />4.05.1(3) In no case shall Federal and State water quality statutes, regulations, standards, or <br />effluent limitations be violated <br />The report states that no regulatory limits were exceeded during the quarter. <br />4.05.13(2)(a)(ii) Result in the person who conducts the surface or underground mining activities <br />notifying the Division within 5 days after analytical results of the sample collections indicate that <br />noncompliance with a permit condition or applicable standard has occurred. Where a National <br />Office of Office of Colorado <br />Mined Land Reclamation ARive and Inactive Mines Geological SuEVey <br />