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.q-41!77-3©0 <br />cotter <br />Via Email and U.S. Mail <br />July 15, 2010 <br />Colorado Department of Public Health and Environment <br />Water Oualitv Control Division / WQCD-B2-CAS <br />Compliance Assurance Section <br />Attention: Michael Harris <br />4300 Cherry Creek Drive South <br />Denver, CO 80246-1530 <br />Subject: Surface Water Monitoring Data for Ralston Creek on Cotter property near the <br />Schwartzwalder Mine. <br />References: WQCD Notice of Violation/Cease and Desist Order, Number: I0-100601-1, June <br />1, 2010 <br />Dear Mr. Harris: <br />Pursuant to Paragraph 26 of the above referenced Notice of Violation/Cease and Desist Order <br />("Order"), please find the attached analytical data report (from Energy Laboratories, Inc.) for <br />surface water monitoring samples collected from Ralston Creek on Cotter property for the month <br />of June, 2010. <br />Please note that the attached data report includes results for both surface water and groundwater <br />monitoring at the site. Surface water samples have an "SW" prefix in the sampling location ID <br />number. Samples specifically applicable Paragraph 26 of the Order include SW-AWD <br />(upstream) and SW-BPL (just below property line). In addition, Cotter conducts surface water <br />monitoring of Ralston Creek across Cotter property at stations SW-A001, SW-BDIS, SW-PL, <br />SW-OS, SW-BOS, and SW-GS. Cotter also conducts surface water sampling of Ralston Creek <br />between Cotter property and Ralston Reservoir at stations SW-FBRG, SW-ARH, and <br />SW-LLHG. <br />If you have any questions, please contact one at 719-275-7413 (Ext. 202). <br />Sincerely, <br />ohn Hamrick <br />Vice President, Milling