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~ ~ iiiiiiiiiiiiiiiihi <br />STATE OF COLORADO <br />DIVISION OI~ MINERALS AND GEOLOGY <br />DeVarlmenl of IJalural Resources <br />I l 13 Sherman SI ,Room ? 15 <br />Denver, Colnrmio 80?03 <br />Phone: 13071 BEG-1567 <br />FAY: (303187?-8106 <br />June 2, 1998 <br />Stephan M. England <br />Mine Plan Administrator <br />TXI Western Aggregates <br />1341 P!. Mockingbird Lane <br />Dallas, Texas 75247 <br />RE: Lightweight Aggregate Mine, Amendment No. 1, Permit No. M-88-I08 <br />Dear Nfr. England: <br />Ulb~ <br />DEPAtiTMEIVT OF <br />NATURAL <br />RESOURCES <br />Ruy Rnmcr <br />Governor <br />lames 5 Lnchhead <br />E.ecuuve Direanr <br />Michael B Long <br />Dmision Direnor <br />The purpose of this fetter is to summarize our telephone discussion on June 2, 1998. In response <br />to your May 29, 1998 written request, the Division will copy pertinent portions of the <br />Amendment No. 1 file for the Lighweight Aggregate Mine and will send to you along with an <br />invoice for copying expenses. Copies of the the first 4 items listed below, including maps, will <br />be sent to you as soon as they become available. <br />Conespondance File <br />2. Regular 112 Amendment Application <br />3. ExeL:utive Summary <br />4. Technical Appendix -Liner Options <br />5. Certificate of Designation -Engineering Design & Operations Report <br />6. Technical Appendix -Computer Model Output And Results <br />7. Technical Appendix -Hydrologic Records, Data, And Analysis <br />8. Technical Appendix -Materials Testing Results, Hydrologic Computations, & Construction <br />QAIQC Documentation Procedures <br />9. Technical Appendix -Results of Coal Ash Sampling And Analysis At Public Service <br />Company's Cherokee, Valmont, And Arapahoe Power Plants <br />Please call me at (303) 866-3567 if you have any questions. <br />Sincerely, <br />-~~~ ~ 1 <br />Thomas A. Schreiner <br />Environmental Protection Specialist <br />