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STATE OF COLORADO <br />Bill Owens, Governor <br />Jane E. Norton, Executive Director <br />Dedicated to protecting and improving the health and environment of the people of Colorado <br />4300 Cherry Creek Dr. 5. - Laboratory and Radiation Services Division <br />Denver, Colorado 80246-1530 8100 Lowry Blvd. <br />Phone (303) 692-2000 ~ - -Denver, Colorado 80230-6928 <br />TDD Line (303) 691-7700 - - , (303) 692-3090 <br />Located in Glendale, Colorado - -. <br />httpJ/www.cdphestate.co.us - <br />December 4, 2002 <br />Ronald Thompson, Consultant <br />Picketwire Processing, LLC <br />New Elk Mine <br />- -20500-Highway 12--- - - - -- - - - - - _ _ ~. _. <br />Weston, Colorado 81091 <br />RE: Storm Water Exemption <br />CDPS Permit No. CO-000906, Outfa11007A <br />Las Anunas County <br />Deaz Mr. Thompson: <br />RECtIVE® <br />DEC 10 2002 <br />Oiyision at Minerals and GeoloB'~ <br />of Public health <br />and Environment <br />This letter is response to your letter dated October 26, 2002, in which you reported noncompliance of effluent limits at <br />Outfa11007 due to rain events on August 6, September 9 and September 18, 2002 which resulted in sufficient flow to outfall <br />007 resulting in a dischazge. Your letter included a table indicating daily precipitation recorded by the J.L. Totres Company <br />at the Trinidad Lake Project located approximately 10 miles east of the mine site. The self monitoring data you provided on <br />your third quarter 2002 Dischazge Monitoring Report is shown below; <br />Outfall Reported Permit <br />Number Pazameter Results Conditions <br />007A Total Suspended Solids, (mgll) 285 (30day avg) 35 (30day avg) <br />007A Total Suspended Solids, (mg/1) 543 (daily mx) 70 (mx 7-day avg) <br />007A Total Iron, (mg/1) 14.8 (30 day avg) 3.5 (30 day avg) <br />007A Total Iron, (mg/1) 21.9 (daily mx) 7.0 (daily mx) <br />Picketwire Processing, LLC has demonstrated that discharge occurred within 48 hours after measurable precipitation, the <br />discharge was beyond your control and that there was available pond volume fora 10-yeaz, 24-hour storm event. The <br />Division believes that Picketwire Processing, LLC. qualifies for the alternate limitations provisions of above referenced <br />permit, Part I.B.l.d.a thus waiving the limits for total suspended solids and total iron for the above referenced monitoring <br />period. <br />If you have any further questions regarding this matter, please contact me at (303) 692-3603. <br />S' ere ! <br />la J. Le ey <br />Water Quality ntrol Section <br />WATER QUALITY CONTROL DMSION <br />xc: Local Health Department <br />Dave Knope, WQCD, DE <br />MS-3 File <br />Kent Gotham, DMG, 1313 Sherman Street, Denver, CO 80203-2273 <br />