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~~ O <br />Y ~ °F~ c0L III IIIIIIIIIIIII III '~~~ ~~ <br />~ , ~ sss <br />f- ! 1~'~~- \ t7 <br />COLORADO DEPARTMENT OF HEALTH <br />Richard D. Lamm ~~c j"` "vr ** Frank A. Traylor. M.D. <br />Governor I g q 6 Executive Director <br />February 22, 1982 <br />~~~~' V ~® <br />Rade Drell FEg Z5 1982 <br />Perma Resources <br />P. 0. Box 2679 <br />solo. spgs., co So9ol MINED LAND RECLAMATION <br />o~ ppgppt of t~atDral Resosrce~ <br />RE: Chimney Rock Coal Co. Permit Number: C~-t~036081, Archuleta County <br />Mr. Drell; <br />The Division is in receipt of your February 17, 7982 letter requesting <br />approval to bypass mine water. <br />The existing permit contains technology based limitations for runoff which <br />are the same as for mine water. The receiving stream, Stollsteimer Greek, <br />is presently classified B1, however no instream standards are being proposed <br />under the reclassification. Therefore, technology based limitations will <br />apply at this Lime. However, the Piedra River immediately downstream will <br />potentially be impacted by the discharge and is being reclassified. There- <br />fore additional data will be required to evaluate the impact on the Piedra <br />River. <br />Based upon the above considerations, the Division will allow the discharge <br />of mine water from discharge point 002 at a rate not to exceed 100 gpm with <br />the limitations imposed in your current permit for discharge point 002. <br />Monitoring for those parameters limited in the permit shall be performed on <br />a weekly basis. In addition, a single monthly grab sample shall be analyzed <br />for the parameters shown on the attached list. <br />This authorization will be in effect until an amendment has been issued for <br />the activity bu[ in no case later than September 30, 1982• During this <br />period all monitoring reports shall be submitted on a monthly basis. <br />It is imperative that timely design and construction of appropriate facilities <br />be made and necessary information be provided to the Division for permit <br />drafting. At a minimum, the information discussed with you by Don Simpson <br />must be provided to the Division by April 30, 1982 in order to have an <br />effective permit by September 30, 1982. <br />4210 EAST 11TH AVENUE DENVER,COLORADO 80220 PHONE (303) 320-8333 <br />