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i1r. It.ichnrd Ir•.rmi~ <br />SCipulat.ion Rcsp es <br />October Z7, .1.9£i1 <br />Page L'ivc <br />Stipulation: <br />10. Continued <br />3. Provide proof: thot the rep]accmcnt of 18-24" of topsoil over <br />high SAR overburden does not significantly increase the risk <br />of soil degradation over pre-nu.niny conditions. <br />If solution of the overburden quality problem entails modifi- <br />cation of the specific details of overburden handling and storage <br />or post-mining configuration of the mined area, the operator <br />shall provide the appropriate revisions to the mining and <br />reclamation plan. ' <br />Wyoming Fuel Company Response: <br />lJyominy Fuel. Coml?an}~ agrees to provide a b.ckfilliny plan within <br />120 days of permit issuance and prior to any operations in Phase <br />VII other than Copsoil salvage. 'this plan will be designed to <br />evaluate the depth of tol~so.i1 (or other. low SAR materials) re- <br />quired to cover overbur.dcn with AR's greater than .l0 to insure <br />reasonable: conLidence ChaC sodium migratia~ from overburden to <br />topsoil material aii.11 eat adversely nffccL- revcyetation efforts. <br />Stipulation: <br />11. Wyoming Fucl Company steal]. pro+.~idc z statement in the <br />application which indicates that topsoil mar}:ers trill be <br />placed at all t-opsoi]. stockpiles within :0 days of permit <br />issuance. <br />Wyoming Puel Corni~any P.esponse: <br />In accordance frith 4.02.7, Topsoi] tdarkers, C7yorninc; fuel <br />Company will place topsoil mar}:ers at al]. topsoil stockpiles. <br />The markers will be constructed according to 4.02.1, Spec- <br />ifications. See accompanying figure. <br />Stipulation: <br />12. Glyominy Fuel Company must strip a minimum of five feet of <br />topsoil from the area of Pond No. 4 to he covered by the <br />impoundment of the 10-year, 24-i~pur storm event, due to the <br />abundance of the "unnamed alluvium" soil type in that area, <br />and the division's concern that this resource could serve an <br />important function in controlling the potential for salt con- <br />tamination of the rec.lairned surfar_•e. In addition, the permit <br />application must b„ revised, within 60 days of permit issuance, <br />to reflect this chant}c. <br />-., r, ... <br />