IUnited States Environmental Protection Agency (EPA) yakapa kutsoropodza kwakasimba kwekuongorora kwezvakatipoteredza kwePolyMet's mugodhi weNorthMet, uri kunze kweHoyt Lakes, Minnesota, uye iri kukurudzira mugodhi uyu "haufanire kuenderera sezvakarongwa."
Sekureva kwesangano iri, chirongwa chePolyMet "chinogona kuve nekukanganisa kwakanyanya uye kusatenderwa kune zviwanikwa zvemvura zvakakosha munyika." Kushoropodzwa uku kunouya mushure memwedzi yakawanda mushure mekunge ruzhinji rwezvematongerwo enyika nevezvematongerwo enyika vakapa zvisungo zvekutsigira chirongwa ichi, vachivimbisa veruzhinji nevezvenhau kuti ongororo iyi yaive yakaoma uye mugodhi haukanganise nharaunda.
Mutsamba yekutsigira yaDecember 9 yePolyMet US Senator Al Franken akaudza Dhipatimendi reNyika Rezviwanikwa (DNR) chirongwa ichi chinofanira kubvumidzwa:
“Muchirongwa chemakore akawanda ichi, PolyMet yakaita hunyanzvi hwayo uye yakanyatso kutevedzera mutemo. Izvi zvinosanganisira kupa ruzivo rwese rwunodiwa rwegwaro remamiriro ekunze (EIS). Chinyorwa chinobuda chinotsanangura matanho mazhinji achatorwa nePolyMet kuderedza kukanganisa kwezvakatipoteredza. "
Mutsamba yakafanana, Mumiriri weUS Jim Oberstar akakurudzira iyo DNR kubvumidza chirongwa chePolyMet:
"PolyMet yakawana rutsigiro rwangu kubva pakutanga nekuda kwekuita kwayo, nzira itsva kune nonferrous migodhi uye kugadzirisa; DEIS inoita basa rakanakisa rekutsanangura matanho mazhinji achatorwa nePolyMet kuderedza kukanganisa kwezvakatipoteredza.
Oberstar uye US Senator Amy Klobuchar vakaedza kuunza a bhiri raizobvumira PolyMet kuve neyakananga 6,700 maeka yeSuperior National Sango. Kufamba uku kwaizobvisawo zvinodiwa zvinoda kubvunzana nekushandira pamwe nemadzinza eNative America, pasi pechibvumirano cha1854 nehurumende yeUS. Nekuti nzvimbo yakarongwa, iri panzvimbo yeruzhinji, yakadzivirirwa kubva kumigodhi yemahara neWeeks Act, yakadzikwa mukutanga 1900s, PolyMet ingave inoda mutemo wakasarudzika kana gakava rakafanana kuchinjanisa nyika neUS Forest Service kuti ienderere mberi nemugodhi wayo. .
Uye svondo rapfuura Mumiriri weNyika Tom Rukavina akati, mubvunzurudzo, izvo "mugodhi uyu pauchaenda mberi uchave mugodhi wemhangura wemhangura unonzwika zvakanyanya wandinofunga munyika."
Mutsamba yakanyorerwa St. Paul District yeUS Army Corps of Engineers, Bharat Mathur, Acting Regional Administrator weEPA's Midwestern district, akati Draft Environmental Impact Statement (DEIS) yechirongwa ichi "Haigutse-Isina kukwana" (the yakaderera zvikuru inogoneka) uye inotyora zvinodiwa neFederal Clean Water Act nekusvibisa pasi uye pamusoro pemvura ine acidic mugodhi wemvura uye mecury uye kuparadza anopfuura 1,000 maeka emhando yepamusoro-soro. Sekureva kwesangano iri, zvirongwa zvekurwisa acid mugodhi mvura "hazvina kukwana."
Tsamba iyi inotaura kuti DEIS yakatadza kubatanidza ruzivo rwekusimbiswa kwemari uye yakanga ichishaya ruzivo rwakawanda pamusoro pekugadzikana kwaifungidzirwa kwebheseni remisarira, kukanganisa kumvura yepasi uye pamusoro pemvura, uye kukanganisa kune matoro.
Sekureva kweEPA, "purojekiti iyi ichaguma nekukanganisa kwemhando yemvura kwenguva refu, izvo zvinosanganisira kudarika mwero wemhando yemvura, kuburitsa mvura isina tsvina inoyerera kumitumbi yemvura (panguva yekushanda uye munguva yekuvhara), uye kuwedzera mercury loadings. kupinda mumvura yeLake Superior.”
Tsamba yeEPA inotsinhira kushoropodzwa kunobva kumapoka evagari vemo nevanoongorora zvakatipoteredza kuti chirongwa ichi chichaparadza matoro anokosha uye kusvibisa mvura yepasi nemvura inoyerera muLake Superior.
"Sarudzo yeEPA yekuyera PolyMet DEIS se 'isina kugutsa-isina kukwana' inosimbisa izvo zvanga zvichitaurwa neboka redu repasi kwemakore mashanu apfuura," akadaro Elanne Palcich, mudzidzisi wepachikoro akarega basa kubva kuIron Range. "Rudzi urwu rwemigodhi harugone kuitwa munzvimbo ine mvura yekuchamhembe kwakadziva kumabvazuva kweMinnesota pasina kusvibisa nzira dzedu dzemvura kwemazana emakore. Hapana chinhu muDEIS iyi chinoratidza kuti kusvibiswa kwemvura kubva mugodhi remugodhi we acid kunogona kudzivirirwa sei.
Mukupera kwa2009 Shamwari dzeBoundary Waters dzakanyora zvimwe zvinonetsa pa webhusaiti yeboka:
Mvura inobuda kubva mumarara ematombo inotarisirwa kuve yakasvibiswa kwemakore anosvika 2,000
Iyo West Mine Gomba ichadaro mafashama paMine Year 65 (Makore makumi mana neshanu mushure mekutarisirwa kuvharwa kwemugodhi), ichisvibisa iyo iri padyo nePartridge River ine sulfates nesimbi inorema.
Mvura yepasi panzvimbo yemugodhi inotarisirwakudarika mitemo yehutano hwemvura
Nekuda kwekusagadzikana kwemaitiro, iyo tailings basin ine "yakaderera muganho wekuchengeteka"
Minnesota DNR yakahaya Environmental Resources Management (ERM), yakabva kunze kweLondon, England kuti iite DEIS.
PolyMet inoronga kushandisa iyi yakavharwa kugadzirisa chirimwa kumugodhi wayo wakasarudzika weNorthMet
Muna Zvita, Al Trippel, mupi wezvemamiriro ekunze neERM, akapa mharidzo on PolyMet's DEIS iyo yakatsanangura zvinonetsa kwezvakatipoteredza zvine chekuita neongororo pamwe neruzivo rwusina hukama rwunoti chirongwa ichi chaizobatsira hupfumi hwedunhu.
Trippel anga achishingairira kuita zvikumbiro zvitsva zvemigodhi mudunhu iri kwemakore. Trippel akashanda semumiriri weAquila Resource muMichigan yose "Chikamu 632" chemitemo nemitemo, kubva muna 2004 kusvika 2005 iyo yakagadzira mutemo unotonga indasitiri yemigodhi yesimbi sulfide. Parizvino Trippel iri pamuhoro waAquila, uye aive nebasa rekuita zvidzidzo zvezvakatipoteredza zvakafanira asati aendesa chikumbiro chemugodhi chechirongwa chekambani che “Back Forty”, chiri pedyo neRwizi rweMenominee, kuMichigan's Upper Peninsula. Akwira anoronga kuendesa chikumbiro chemugodhi chechirongwa ichi gore rino.
Minerals Processing Corporation, kambani yeMinnesota yakabatana neAquila, yaive nguva pfupi yadarikaakanyimwa “conditional use permit” kutsvaga zvicherwa muCarlton County, Minnesota. Muna 2006 Kennecott (mubatsiri weRio Tinto) aive akaramba mvumo yakafanana muAitkin County. Kennecott akamhan’arira dunhu iri uye akatsigirwa neMinnesota Court of Appeals. Tiye dare akanyunyuta kuti makomishina ematunhu "akafurirwa zvakanyanya nekupikisa veruzhinji" uye vakapokana kuti veruzhinji havana kodzero yepamutemo yekumisa chirongwa chemugodhi muMinnesota. Iyo kambani ikozvino yave kusimudzira "Tamarack" mhangura uye nickel chirongwa kune vanoisa mari.
Maererano ne kuburitswa kwenhau, PolyMet iri kuona kushoropodzwa kweEPA sechimwe chikamu chemaitiro.
Iyo Yekupedzisira EIS ingangobatanidza akawanda emazano kubva kuEPA uye mamwe akakurudzirwa panguva yeruzhinji rwekupindura. Chinangwa chechirongwa cheEIS ndechekushandisa zvakataurwa paDEIS kuvandudza chirongwa chakarongwa icho chichanyorwa muFinal EIS. EIS yekupedzisira ichaongororwa neruzhinji isati yanzi "yakakwana" neMDNR uye nekugamuchira "rekodhi yechisarudzo" neUSACE. Kana zvabuda zvaongororwa zvizere, MDNR neUSACE dzichagadzira hurongwa hwekupedzwa kweFinal EIS uye kubvumidzwa kunotevera.
Saizvozvo, kuMichigan, chirongwa cheRio Tinto cheHumboldt Mill chakatambirwa kushoropodzwa kwakasimba kubva kuEPA neUS Fish and Wildlife Service muna June 2009. Asi, pakazosvika January 2010, tmasangano ake akanga aramba kupikisa kwawo chero bedzi Rio Tinto ichitarisisa kusvibiswa kwakakwana.
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