Laserfiche WebLink
,??- J 9 7 7- 30 0 ? <br />STATE OF COLORADO <br />Bill Ritter, Jr., Governor <br />Martha E. Rudolph, Executive Director <br />Dedicated to protecting and improving the health and environment of the people of Colorado <br />4300 Cherry Creek Dr. S. <br />Denver, Colorado 80246-1530 <br />Phone (303) 692-2000 <br />TDD Une (303) 691-7700 <br />Located in Glendale, Colorado <br />Laboratory Services Division <br />8100 Lawry Blvd. <br />Denver, Colorado 802306928 <br />(303) 692-3090 <br />httpJlwww.cdphs.state.co.us <br />June 30, 2010. <br />John S. Hamrick, VP Milling <br />-rD Cotter Corporation <br />P.O_ Box 175 <br />Canon City, CO 81215 <br />OF <br />H <br />t <br />? rs7g ? <br />Colorado Department <br />IPWW of Public Health <br />and Fnvironment <br />RE: Notice of Violation/Cease and Desist Order, Number: I0-100601-1 i/ <br />Cotter's June 26, 2010 Plan for Interim Measures at Schwartzwalder Mine <br />Dear Mr. Hamrick: <br />The Colorado Department of Public Health and Environment's Water Quality Control Division (the <br />"Division") received Cotter Corporation's ("Cotter") June 26, 2010, plan and expedited time <br />schedule for the implementation of interim measures that Cotter will implement to reduce or <br />mitigate the concentrations of pollutants in the unauthorized discharge at Schwartzwalder Mine. <br />The plan and time schedule were submitted in response to paragraph 27 of the Notice of <br />Violation/Cease and Desist Order, Number: I0-100601-1 (the "NOV/CDO"), that the Division <br />issued to Cotter on June 1, 2010. <br />The Division hereby authorizes Cotter to discharge from the temporary 50 gpm water treatment <br />system in accordance with the submitted plan and time schedule and the following alternate and <br />additional terms and conditions: <br />1. Cotter shall perform weekly Radium 226+228 monitoring, as opposed to the monthly frequency <br />proposed in the submitted plan and time schedule. <br />2. Cotter's discharge from the interim water treatment system shall not contain effluent parameter <br />concentrations which exceed the following limitations: <br />Effluent Parameter Effluent L imitations <br /> _ <br />Maximum C oncentrations <br /> 3030- ay&-erne Daily Maximum <br />COD, m W1 100 200 <br />Total Suspended Solids TSS , m 20 30 <br />Potential! Dissolved Uranium, ug/l 30 NA _ <br />Radium 226+228-total}, pC0 <br />- 3 --.--._..__._ to <br />H, s.u minimum-maximum NA 6.5-9 <br />Oil and Grease, mo NA 10 <br />- <br />Total Recoverable Antimony, ug/1 Y j _ 6 _ _? Report <br />_