Laserfiche WebLink
Eased en the "B~sic Standards 6e Methodolceies for Surfac: viater" 3.1.0 (5 CCR <br />1C02.8) frcm ;he Colorado Depat.mert of ileaith and Environmem, Fate: Quality Control <br />Commission, pan 3.l . ] 4 ]mesration inrc Discharge Permits, parauaph (?) "Discharge permits <br />will be isst:ed'c•~ the Division to ccmply with basic, narrati~•e, and numeric stardords...so that all <br />discharges to state wrface waters protcr, t::e c;assified uses." T.~ae is precedence for <br />intp!eTCrtirg the aluminum narrative criteria, seen in e-fisting Colorado permits {fie Hcrdr. son <br />Mine, Wes: Fork of Gear Creek). <br />T }:e Colorado basic tandard far alu:tinum is i50 ugJl acute and 8 % uy/l c]-.rottio for <br />aquatic life protection. Our understanding is that the analysis used :o determine the reasonable <br />potential for a disctiargrr to exceed ambient standards or criteria is teased on the total or total <br />recoverable pollutant Iead from the faciL'ty. Aluminum concept: orlon in the seepage az Outfall <br />d<)2 has been measured and reported ;o be as high as 1000 ue".. Also, the Site Insperion repoR <br />dated ;t1y, ! 995 de.~cribes "elevated ccrcent: orlon of aluminurry amnganese and iron in the <br />aqueous su: tece ware-. sampl:s at the pe;mr, boundary and beyond° (see Table 1, s)vtic <br />gesults for Surface Water Samnlesl. ~ <br />Our Iasi concern not related to the techri:.al discussion above, regards the parry to wtric`s <br />the permit is issued. EFA wculd Gke clarification from the Divisicn as to decisions made to issue <br />the permit sclely to Battle Mountain Resources, Inc. and not to inavde the propem owners, <br />Battle Mountain Goid Company. as a co-permittee for the proposed dischazges from the <br />referenced site. EPA believes in cases where there may be unclear distinctions between operators <br />and owners ofa discharging facility, it maybe more appropriate to issue permits to dual parries, <br />specifically owners and operators. <br />If }'cu have an} questions concerning EPA's co.~tments in general, please contact me <br />direcJy. For questions on speci5c technical issues, please contact Bruce Kent of my staff at <br />(303)312-6133. <br />Sin ely, ~_ <br />i ,, i J/ <br />~~ t hen S Tuber, Director <br />Water Program <br />Office of Partnerships <br />and Regulatory Assitance <br />ec: Dave Akers, CDPHE <br />Susan i4achtrieb, CDPHE <br />Don Holmer, CDPH° <br />Dan Rcbettson, Operations Manager <br />Battle Mountain Resources, Inc. <br />S <br />TGTFI. P.0.3 <br />