EPA e lokollotse molao o sisintsweng tlasa Molao wa Taolo ya Dintho tse Chefo (TSCA) o thibelang boholo ba tshebediso ya dichloromethane (eo hape e tsejwang e le dichloromethane kapa DCM). Dichloromethane ke k'hemik'hale e nang le mefuta e mengata ya tshebediso ya diindasteri le ya kgwebo. Ke sethapo se sebediswang diindastering tse fapaneng. E boetse e sebediswa ho etsa dikhemikhale tse ding, ho kenyeletswa le di-refrigerant tse ding. Diindasteri tse amehang di kenyeletsa:
Ho ya ka bolaodi ba yona tlasa Karolo ya 6(a) ya TSCA, EPA e fumane hore dichloromethane e baka kotsi e sa utlwahaleng bophelong kapa tikolohong. Ha e arabela, EPA e ntshitse molao o sisintsweng ka la 3 Motsheanong, 2023: (1) ho thibela tlhahiso, tsamaiso le kabo ya methylene chloride bakeng sa tshebediso ya bareki, le (2) ho thibela boholo ba tshebediso ya methylene chloride indastering. Molao o sisintsweng wa EPA o tla dumella FAA, NASA le Lefapha la Tshireletso, hammoho le bahlahisi ba bang ba di-refrigerant, ho tswela pele ho sebedisa methylene chloride. Bakeng sa ditshebediso tsena tse setseng, molao o sisintsweng o tla theha ditaolo tse thata mosebetsing ho fokotsa ho pepesehela basebetsi.
EPA e hakanya hore molao ona o tla ama tšebeliso ea methylene chloride e fetang halofo ea selemo le selemo United States. Ho sisinngoa hore ho emisoe tlhahiso, ts'ebetso, kabo le ts'ebeliso ea dichloromethane nakong ea likhoeli tse 15. Joalo ka ha ho bile le ho felisoa ha lik'hemik'hale tse ling tse sa khaotseng, tse bokellanang le tse chefo (PBTs) tsa EPA haufinyane, nako e khuts'oane ea ho felisoa ha methylene chloride e kanna ea se lekane ho fihlela litlhoko tsa liindasteri tse ling, kahoo ho ka ba le mathata a mang a ho latela melao. . Bonyane, molao o sisintsoeng o ka ba le litlamorao tse pharaletseng bakeng sa mathata a tlhahiso le phepelo ha lik'hamphani li ntse li hlahloba ts'ebeliso ea methylene chloride le ho batla mekhoa e meng e loketseng.
EPA e tla fumana maikutlo mabapi le molao o sisintsweng pele ho la 3 Phupu, 2023. Liindasteri tse amehileng li lokela ho nahana ka ho fana ka maikutlo mabapi le bokhoni ba tsona ba ho latela melao, ho kenyeletsoa le litšitiso tse ka bang teng tsa ketane ea phepelo le litlolo tse ling tsa molao.
Tlhokomeliso: Ka lebaka la tlhaho e akaretsang ea ntlafatso ena, tlhahisoleseling e fanoeng mona e kanna ea se sebetse maemong 'ohle, 'me ha ea lokela ho nkuoa khato ntle le likeletso tse tobileng tsa molao ho latela boemo ba hau bo itseng.
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