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iii iiiiiiiiiiiu i~~ <br />999 <br />STATE OF COLORADO <br />Bill Owens, Governor <br />Jane E. Norton, Executive Director <br />Dedicated to protecting and improving the health and environment olthe people o! Colorado <br />4300 Cherry Creek Dr. S. Laboratory and Radiation Services Division <br />Denver, Colorado 80246-1530 8100 Lowry Blvd. <br />Phone (303) 692-2000 Denver CO 80220-6928 <br />Located in Glendale, Colorado (303) 692-3090 <br />~~ // cd~.hestat .co.us <br />ter aliiy ontrol ~rvlsion <br />WQCD-P-B2 <br />(303) 692-3500 FAX (303) 782-0390 <br />July 14, 1999 <br />Kimberley A. Wolf <br />Environmental Engineer <br />Colowyo Coal Company, L.P <br />5731 State Highway 13 <br />Meeker, CO 81641 <br />BE: Three-Time Analysis <br />Colowyo Coal Company, L.P <br />CDPS CO-45161 <br />Moffat County <br />Dear Ms. Wolf: <br />- Colowyo Coal Mine <br />oe cow <br />R4. 9 <br />.~% \~~ <br />r~~ <br />~ln l6 ~ <br />Colorado Deparunent <br />of Public Health <br />and Envirorwent <br />RECEIVED <br />JUG 2 p 1999 <br />BM1~SIOn olll7irter~s g G <br />epI09Y <br />The Division has reviewed your submittal dated June 25, 1999, regarding the results of analyses performed by <br />Colowyo in conformance with Part I.B.3. of the permit. Included with your letter are the laboratory analytical <br />results from three samples collected from the Washbay Pond. Although the samples are from within the pond, <br />your stated intention, in addition to complying with Part I.B.3., was to demonstrate that waters in the pond <br />were in compliance with the standard of 0.1 mg/Q for BETX prior to discharging from the Washbay Pond [o the <br />Work Area Pond. <br />Samples were collected on 4/6/99, 4/12/99 and 4/19/99. The four pollutants that make up BETX (benzene, <br />ethylbenzene, toluene and xylene) were analyzed and reported separately by the laboratory. None of the four <br />pollutants were detected in any of the three analyses. A combined detection limit of 6 ug/Q (0.006 mg/Q) was <br />shown. Thus, the three analyses represented BETX concentrations of less than 6% of the standard. <br />This submittal satisfies the requirements of Part I.B.3. The Division fords no need to impose a BETX <br />limitation or require further monitoring at this time. If future effluent quality or other information indicates the <br />need for ]imitations or monitoring, the permit may be reopened to incorporate such requirements, subject to <br />public notice provisions. <br />Please contact me at (303) 692-3605 if you have questions. <br />Sincerely, <br />~n C Ku is <br />Environmental Protection Specialist <br />Permits Unit, Water Quality Protection Section <br />xc: M53 File <br />Carta Lcnk<y, Indusrrial Compliance Assurance Ofnccr. WQCD <br />\ 1'im Chubrilo, Tech Services, WQCD <br />yron Walker, CO Division of Minerals and Geology, Caal Program <br />Local Health Depanmem <br />