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SEP-27-2006 WED 09;39 AM BANKS AND GESSO LLC <br />~~ Banks and Gesso, LLC <br />~^ <br />September 26, 2006 <br />FAX N0. 303 274 8329 <br />- ~Q ~~- Z~~ I/ <br />720 Kipling St.,Suite117 <br />Lakewood, Colorado 80215 <br />(303) 274-4277 <br />Fax (303)274-8329 <br />www, ban ksa ndgesso, com <br />Erica Crosby / <br />Environmental Protection Specialist <br />Division of Reclamation, Mining and Safety <br />Colorado Department of Natural Resources <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />Subject: October 4`~ Meeting Between DRMS and Cemex, C-Pit <br />Dear Erica: <br /> <br />This letter confirms our scheduled meeting on Wednesday, October ~, 2006 at 10 a.m. <br />at DRMS offices. In attendance on our part will be: <br />- Steve Goodrich, Plant Manager, Cemex <br />- Monica Sowders, Environmental Manager, Cemex <br />- Alan Notary, P.E., Brown and Caldwell <br />- Paul Banks, Banks and Gesso, LLC <br />The purpose of the meeting is to introduce the new Cemex people and provide a <br />progress report on the tasks related to C-Pit. We would like to suggest another meeting <br />in early November, to present the detailed results of C-Pit pumping, water quality <br />monitoring and the plans for the future, which at this time are not yet finalized. <br />You had asked me in our phone conversation if there was any new data we could <br />submit prior to October 4"'. There is. <br />Attached is a graph of water surface elevation vs. time showing a 7-foot decline in the <br />C-Pit water surface due to the consumptive use pumping. The pumping ceased in early <br />August because of some process problems in the spray tower resulting from the <br />chemistry pf C-Pit water. Subsequently, pumping was restarted but the pump failed- <br />Cemex is working on these matters and pumping has or will shortly resume. We will <br />report more on this at the October 4"' meeting. <br />In addition to lowering the water level in C-Pit by pumping to the spray tower, Cemex <br />has decreased the area of the water surface by regrading and filling in the pool at the <br />