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,_;~ III IIIIIIIIIIIII III <br />STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources ~ <br />ad°~ <br /> <br /> <br />1313 Sherman St.. Room ? 15 ~~ <br />°.:. <br />.. ^ <br />, ~ -~.r <br />Denver, CO 8o?O3 ~ <br />~u~' •' <br />Phone: l3U31866-356% revs <br />FAX: (3031 8328106 Roy Romer <br /> Governor <br />September 11, 1992 M~~h,eie.to~y <br /> Division Direcar <br />Mr. Greg Lewicki, P.E <br />Greg Lewicki And Associates <br />16x5 Court Place, Suite 309 <br />Denver, Colorado 80202 <br />Re: Status of Notices of Violation C-92-013, C-92-014, C-92-020 & <br />C-92-021; Trinidad Basin Mines; Permit No. C-81-048 <br />Dear Mr. Lewicki; <br />At your request, I convened an assessment conference to review NOV's C-92-013, <br />C-92-014, C-92-020, and C-92-021 at 9:G0 am on Friday, September 11, 1992, in <br />our offices. You attended the conference reor?renting TBM, and Joe Dudash, <br />Dan Mathews and Dan Hernandez representing the Division, in addition to me. <br />As a result of my deliberations, I granted a continuance of the conference <br />regarding NOV's C-92-013 and C-92-014. I upheld NOV's C-92-020 and C-92-021, <br />but modified both recommended penalty assessment<_, as r?flectea in the <br />enclosed settlement agreements. <br />You pr?rented a oer;ua5ive argument in TBId's def?n5e in response to NO1/'s <br />C-:2-'~13 and C-92-014. Very brie~ly ;sated, it is your ccnLenticn that the <br />in5tantaneDUS runoff r?sulting from the UnUSUdI Dr?C'pl`-3" Cn ?v2nL '.ahiCh lead <br />tC% Lae I55UdnC2 of bCLh `/lOldtlCnS ?>(C?eded the lnStan=sae^_U5 rUnOif 'Nh'Cfl <br />~.vculd have resulted frcm Lhe 2.9 inch, 10 year/2a hour event applicable to Lhe <br />T614 mine sits. Therefore, you conclude that TBM should be ?'<emcted frcm both <br />violations, as allowed by our regulations. In support of t~is contention, you <br />pr?rented detailed precipitation r=cords compiled by an immediate neighbor of <br />the mine, who happens to be an engineer. 'fou d15J ref?rencad telephone <br />conversations with Prof. Barfield of Oklahoma State, reputed to be a <br />r?cognized eXpert in hydrograohic analysis and modeling. <br />I: is my opinion that you have presented sufficient ?videnca tc warrant a <br />continuance of the ar er~ment conference. This continuant? is intended to <br />dllOw time for y0U tC d5C2mbie dnd SUbmlt aopropridte tecaniral r?*er2nCes In <br />suoeort o*" your ccntant'cn. In order for me to comoie*a the netessary <br />CJn51der3LlOn5 'Nl thin the 12G day deadilne for fixing tae C'. `/11 penal t'/ for <br />the52 tlJO `/IO1dtiCnS, I 'xill r?convene the CDnfer?nCe Gn Friday, November 13, <br />1992 dL 9:GG 3m In OUf Off1Ce5. 1n order LO d11G'd the D1'/1510n stdf r, <br />Specifically including the hydrology tdSK force, to revi?+a your information <br />and provide guidance Lc me, i am wisp requiring that you s~cmit dnv adei-icnal <br />information you 'Nish considered by S:OG p~ on Monday, Oc-gcer 19, 1992. <br />