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HYDRO24236
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HYDRO24236
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Entry Properties
Last modified
8/24/2016 8:44:23 PM
Creation date
11/20/2007 4:30:50 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981071
IBM Index Class Name
Hydrology
Doc Date
7/7/1986
Doc Name
SILVER ANALYSES COLO YAMPA COAL CO CDPS CO-0027154 ROUTT CNTY
From
CDOH
To
COLO YAMPA COAL CO
Permit Index Doc Type
NPDES
Media Type
D
Archive
No
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0 <br />~O~OG°aLQDO <br />Richard D. Lamm <br />Governor <br />June 30, 1986 <br />Mr. Richard Mille <br />Senior Environmental Specialist <br />Colorado Yampa Coal Company <br />29588 Routt County Road U27 <br />Oak Creek, Colorado 80467 <br />Re: SSlver Analyses <br />Colorado Yampa Coal Company <br />CDPS No. CO-0027154 <br />Routt County <br />Dear Mr. Mills: <br /> <br />This letter is a folios-up to Jon Kubic's letter of June 4, 1986 (specifically <br />item 9. b) 2) which stated that a permit clause could exempt certain silver <br />results. That position was based upon a^ understanding that the issue ass the <br />silver detection limit, currently 0.0002 mg/1, and not the confidence interval. <br />Confidence intervals exist for all parameters, not dust silver. For this <br />reason, ae are unable to grant relief from potential enforcement action on <br />Chia basis. CYCC could certainly submit this argument as an affirmative <br />defense in an enforcement action. It should be noted that Sn an enforcement <br />action, ae take the magnitude of an exceedance into account when citing <br />violations. <br />We apologize for any confusion this has caused. <br />Sincerely, <br />~f~~~~~ <br />Robert Shukle <br />Industrial Unit Chief <br />Permits and Enforcement Sectio^ <br />43ater Quality Control Division <br />RJSlJCKldec <br />ac: Dun Mgtheas, Colorado Mined Lnnd Reclacation Division <br />Local N¢alth Department <br />Jim Chubrilo, D.E., Field Services Section, WQCD <br />o~~~o <br />~~ ~ . ~~ <br />~~ : ` ° ~o <br />DC~G°~QQ4G~n]~G~14 <br />d8y6 ~ <br />Q <br />o-- o-oa~oo~ooooo ono <br />OCR G;1C CaL~~~;l <br />Thomas M. Vernon. M.D. <br />Executive Director <br />Certified Hail No. P 149 901 042 <br />4210 EAST 11TH AVEWUE DEfVVER, COLORADO 80220 PHOPIE (303) 320-8333 <br />
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