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<br />b6121l1999 Lb: B9 215-'L95-64b6 KLKt~1 Uivi5lw <br />Mr. Chttdc wm;ame <br />Page 2 <br />runt Z0, 1949 <br />dttferent cavitiae. Those Cperatng CbndiACme which ehotdd have beep <br />demonszraed in the mtpaimettptl txtvities Crvea tin tsttettdad period of time inchtde <br />at leash matdmtmt cavitytagpanttrK; marimnm cavity paeesmq me~rimom sotvmd <br />injection flow Hate, sal the tltll mining a®e (it:, tadnimg the tarire 650 fax <br />interval phutaed in a oommr9eial mate) and the tu11 hitual ~b of the cevhp <br />(indicated m le 200 foot m more in ditu~). The ttorst tales omnhdnelion t>f <br />operating conditions should be verted simnffirtmarly. Hit is impraiYleal to test <br />tttnvc mrulitiCme vAth the Carreat tatepennaoxnl mine teUIP4 rhea we believe a 2 yaK <br />e+~uimmtal UIC penxit and Aot a 30 year ptxmR ehettld be grained ftx Ute <br />Proposed 1.4 milliml ~ Par year opvatiam. Atttanabvsly, tlw Proposed wt3! <br />operating oenditiom for tho cortmenaal mine Ladd be itipelate4 m mt taccatd <br />what has hem eucotadolty detnred in the eusUisg axparimmtal mixes <br />3) Did arty trxGVreione of mining sohrtitm Cmmidc the targalad miJOing aflt4 occur is <br />the espcrimenea! cavitiadi' Rgaa that say fetltuta is the atperimmnd neu+a9 If <br />ye,, then how are those itarooe batAg ttddretned b! the 1ftfA7 <br />4) PormatiCm $adariog (in, hpdrohadorlogJ abodd h avoided fp radon the <br />potential ftx atlaiiia eorxamioatiaa Hy~Lroftacpu(ng waokls't netxsanily tt7ettlt is <br />a torsi cavity Eatlm~e u tksaibod Cm page 16 od the Drag Arm Percent iUa <br />accidental hydrofnutme from a Cavity to tin agaiitt might dttvetnp ido a high <br />presatuc ooaaeaiCm helwem the trtu and not tfianpt mrofo~g the tavlq~ wh11e lttdd <br />slowly leaks into the at(tttfe. 13ttcaare ~ iaecwraooe is btxh flow tttesers eod <br />solution dtemeitatl anal9aet. a ttigndt8rant bee of crvi(p lltrid dgh not he dCxaioed <br />from a martial balance. Aktq rnnsidtrabla wnleminatiom oaold Doss befarr a <br />leak h tkaaad b9 eotmitoaiwg Dells. S~aprisia>s1y, PaBn 16 in me Draft Aces <br />Permit also states 'Yarmatlan }iaClWa teedng is not pktnaad tar the irmnadiata <br />/otttre hot may Doter Cbtdng oos®etcial nperatiane." ['rivet tba ptxerttiatty aerittm <br />eonaegttmoea m the waxv rtteotamr the pctoit tthtxtkl not Blow hydrodtattorittg. <br />SutTtdent sadcgatarde tt60uld be pat is platz to pievene trydrofratRUring wadiri+ma <br />tram ever being moomttarod. Ice ttdditioq Ute midnmm dettecteltie rate d' Huid loan <br />Gont the cavity in gtdltmi par minaee shootd be Ciedmatad Ipr CtiBereta injogioat <br />flow rata bead Cm the aopuacy Cd the various maaetnamrmt (8orr rates, <br />quantitative ehesnigl ttttalyeaa and nohmen dettlfdae). Tae resal4 Ctf thw6 <br />minimmn dtxettable Hmite ought to be pert at the Ptxrntt epea8ratiom nod triggtx <br />czrtain txarot.Yive actin if Came~eded. <br />~ The IlraR Area PCxroit nays tin page 17 that a nittn®m °gae ltlanket wifl attBltR in <br />controlling the vertical growtk d the Cavity.' PbIC is llr~ with inert gas <br />b4vticets for roof Caedml in eohttim mine wvitias became tro bare txcperieaoc is <br />solution mining salt tl®r: whets gas b}anlxm am coWnenlp e~layod. FMC <br />believes that inert grin blanketing may be t>i~ tetAnolt~ to apply to flue <br />Picratce ]3tpda neltodi60 depoall. Finny, sell domes ooMain little mwlttble <br />matuial whereas the Draft 5'tetwttear of 73asia datxsrbq dto propored mi~smg <br />interval m tamairnirtg 70-7596 tdl ahsla rind othe iaeolt~le reek. Ammican Clods <br />expccU shunt 23-30% of the ttteeetial in the mining tame trip dieeotts and leave <br />bc}tittd an oil shale matiPt m opposed to s 4up opm void. 7'hed type d' a residual <br />matrix sentctme makl Halos bhmlceong =~~+^- sad alltrw same d'the <br />IYVL pZ <br />,/ <br />Y <br />