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STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of NaNral Resources <br />1313 Sherman SL, Roam 215 <br />Denver, Colorado 80203 DIVISION o r <br />Phone <br />( <br />303 <br />) 8 <br />6 <br />6 <br />- <br />3 <br />567 M [ N E RA L <br />}~ <br />7 <br />q <br />2, <br />b <br />1 <br />y <br />(K <br />FAX:1V18~ / <br />GVVG <br />Y & <br />, GEOLOGY <br />James E. Stover M I tJ I N GM ATF t° Y <br />James E. Stover and Associates <br />2768 Compass Drive, Suite 101 Bill Owens <br />Grand Junction, Colorado 81506 c°~e'"°r <br /> Greg E Watcher <br /> <br />Subject: Adequacy, Yearly Impoundment I Executive Diretlor <br />nspection Report, 2001-2, Permit C-84-065 <br /> Michael B. Long <br /> Division Director <br />Dear Mr. Stover: <br />Thank you for the Yearly Impoundment Inspection Report, submitted under your letter of April 3, 2002, <br />C. B. Minerals Company, LLC CDPS Permit DMR's and Pond Inspection Reports Permit C-84-065 The <br />report has been reviewed, and the following adequacy issues have been identified. Please supplement the <br />report with the requested information. <br />Rule 4.05.9(15) Certified inspection reports required by 4.05.9(14) for all impoundments shall include <br />discussion of Rule 4.05.9(15)(6) Existing and required monitoring procedures and instrumentation, The <br />report states that there aze no required monitoring procedures or instrumentation. However, quarterly and <br />annual inspections are required and have been accomplished. Please cite monthly and yearly <br />inspections as monitoring procedures. <br />Rule 4.05.9(15)(c) The depth and elevation of any impounded waters at the time of the certified report, <br />The depth of water was reported for the west cell of the pond. The elevation was not. Please add the <br />elevatiou of impouuded water to the report. It is likely readily available as the elevation of the bottom <br />of the pond plus 0.5 foot. <br />Rule 4.05.9(15)(d) Existing storage capacity of the impoundment; and As-built storage capacities are <br />reported. However, this entry needs to report existing storage capacity. It would be as-built less occupied <br />(accumulated) sediment storage. Please add existing storage (total residual) capacity to the report. <br />Please call me if you have any questions. <br />Yours truly, <br />Byron G~.W'alker <br />Environmental Protection Specialist <br />Cc: Dan Hernandez, CDMG (e-mail) <br />Files: scan C-84-065 Yearly Impoundment Inspections <br />C:\WPDOCS\CoalRidge\yearly impoundment inspec report 2002 adq 1[rm065.doc <br />