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07-01-1999 0B~0Bf~1 FROM 7. E. STOVER 8 ASSOCIRTES T6 <br />J. E. STOVER & ASSOCIATES <br />ra coMV~ ll>ItlVE, autrt: X01 <br />erauw ruNCnon, clxow-oo ~utoe <br />Pt(oNE: (a70)1t41F41a1, FAX ?AbPaO~ <br />Mat e+ar+lmarp <br />r~1[ la'GlAM11Ti0N <br />Marott 4, 1999 <br />Water Quality Control Division ; <br />Wt1CD-PE-B2 ~ , <br />4300 Chevy Creek Drive SOUt11..:, <br />Denver, Colorado 80222-1630 <br />Re: Bear Coal Company <br />cops Pemrd No. cv-ooaasn <br />Failure of Test and Division Notfication <br />Gunnison County <br />Dear People: <br />9295256 P.01 <br />CIVL ir10aLERIMO <br />OOIafT. MIINAOE~ENT <br />RECEIVED <br />JUL 121999 <br />Division of Minerals & Geology <br />Bear Coal Company (Bear) was advised on February 18"' hurt a demonstration of caste WET <br />occurred during a routine lest. Bear deddsd to oorrdud aooslerated leafing using the single <br />species found to be more sensitive, (Ceriodaohnia duhla). The Rest acceleremd teal taken on <br />February 22n° tailed. The second fast taken on March 1" also failed. Tharofore, a pattern of <br />`"' toxicity has been demonstrated. <br />Bear has no oonhoi over the water which is prasunlably c~scharginq from abandoned mina portals <br />on the mute site. The water emerges from the side of 8re hlq, a slide area, and is oorttalned in a <br />flinch pips and directed to the river. <br />Bear proposes W construct a water trfeatmerrt pond to determine if a combination of settling and <br />passive trBatrrrerrt vrAl reduce the.toxidty of the effluent TM.pond wi11 be operational within 120 <br />days. Theroforo, Bear requests relief from further WET testlnq.and relief from PTUTIE. <br />The approved discharge permit provides for the eorutnaetlort of a treatment pond, gear has <br />appAed to the DMG for approval to construct the pond and approval is expocfed within 30-days. <br />Please call K you have any questbn:. <br />Sincerely, <br /> <br />J. E. Stover, P.E. - .. <br />Consultlng Engineer <br />cc' Basil Bear <br />Z <br />r <br />