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~~ Banks and Gesso, LLC <br />~~ <br />RECEIVED <br />JUL 0 7 2003 <br />July 3, 2003 <br />Division of Minerals and Geology <br />Erica Crosby <br />Division of Minerals and Geology <br />1313 Sherman St. Room 215 <br />Denver. CO 80203 <br />720 Kipling St.,Suite117 <br />Lakewood, Colorado 80215 <br />(303) 274-4277 <br />Fax (303)274-8329 <br />www. banksandgesso.com <br />Subject: Surface Water Test Results, A-Pit Reservoir, Permit M-77-208, Cemex, Inc, <br />Lyons Plant <br />Dear Erica: <br />Cemex, Inc. had submitted a Technical Revision concerning cement kiln dust (CKD) <br />disposal at DMG's request in 1999 or early 2000. (I believe it was TR-02). The <br />Technical Revision was approved and quarterly water monitoring in A-Pit reservoir was <br />required. <br />You recently requested the water quality test results as well as clarification on the <br />frequency of testing. Please find attached the laboratory analysis reports for the testing. <br />Steve Mossberg at Cemex told me that he believed that DMG verbally requested that <br />sampling frequency be reduced to twice annually. <br />Please let me or Steve Mossberg know if you have any questions. <br />Sincerely, <br />~~'t.l2r_X ~~~ <br />Paul Banks <br />cc: Steve Mossberg, Cemex <br />