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. _: - ~; <br />COLORADO <br />UF:PARTHIF.N'1' <br />OF~HEALTH <br />ROY HOAffR <br />Goveraor <br />lOF1. KOFR~ <br />lmerim EaeaWive D'ue<lor <br />4710 Ess~ IIN gvenu< <br />DevvR, Colorado 802203716 <br />Poone (303) 320.8137 <br />July 16, 1991 <br />Mr. William Agnew <br />Trapper Mining, Inc. <br />P.D. Box 187 <br />Craig, CO 81626 <br />_ iii iiiiiiiiuiii iii <br />JUL 2 4 1991 <br />:Vined Cana <br />Reclamation Division <br />RE: Public Notice Comments - Discharge Permit <br />Trapper Mining, Inc. <br />CDPS Permit No. CO-0032115 <br />Moffat County <br />Ttlcfss Numben: <br />nlm 6ui~nug/Ikawr Dear Mr. Agnew: <br />paJ) l:?~90]6 <br />Pumugm PlaNLtnrer We are in receipt of your June 19, 1991 letter regarding the draft <br />pm)3:o-JSo <br />copy of the above-referenced permit. The following is our response to <br />Fine Navmal Suit Buildng/RVVer our individual items: <br />(]0))))5.6339 y <br />(wand Jurcuon OIGCe <br />(30J)7c8~)148 1) We have changed the wording of these parts of the Rationale as <br />per your letter. <br />2) We have changed the wording of this section to indicate that <br />other methods of pH control are possible. However, such changes <br />must be approved by the Division via a permit amendment prior to <br />their use. <br />3) These discharges were deleted from coverage under the storm event <br />exemption by mistake. We have changed the wording of this part <br />of the Rationale (as well as the corresponding part of the <br />permit) to include these discharge points under the exemption. <br />4) A minimum of four quarters of WET testing are required before you <br />can apply for the waiver, regardless of the spacing of the <br />tests. If discharge took place only during one quarter of the <br />year, then it would indeed be four years before you could apply. <br />5) Once the permit is issued, you should review your Spill Plan for <br />any needed revisions. If none are needed, a letter to this <br />effect will satisfy the permit requirements. <br />6) We have changed the wording of this part of the Rationale as per <br />your letter. <br />7) Thank you for the seep flow volume data. Note that the data will <br />also be required on an on-going basis. <br />~~ pnwdon rrrye4dppn <br />