Bungwe la EPA latulutsa lamulo lomwe likuperekedwa motsatira Toxic Substances Control Act (TSCA) loletsa kugwiritsa ntchito kwambiri dichloromethane (yomwe imadziwikanso kuti dichloromethane kapena DCM). Dichloromethane ndi mankhwala omwe amagwiritsidwa ntchito m'mafakitale ndi m'mabizinesi osiyanasiyana. Ndi chosungunulira chomwe chimagwiritsidwa ntchito m'mafakitale osiyanasiyana. Chimagwiritsidwanso ntchito popanga mankhwala ena, kuphatikizapo ma refrigerant. Makampani omwe akhudzidwa ndi izi ndi awa:
Mogwirizana ndi ulamuliro wake pansi pa Gawo 6(a) la TSCA, EPA yatsimikiza kuti dichloromethane imayambitsa chiopsezo chosafunikira pa thanzi kapena chilengedwe. Poyankha, EPA idapereka lamulo lomwe laperekedwa pa Meyi 3, 2023: (1) kuletsa kupanga, kukonza, ndi kufalitsa methylene chloride kuti igwiritsidwe ntchito ndi ogula, ndi (2) kuletsa kugwiritsa ntchito methylene chloride m'mafakitale ambiri. Lamulo lomwe laperekedwa ndi EPA lilola FAA, NASA ndi Dipatimenti Yoteteza, komanso opanga mafiriji ena, kupitiliza kugwiritsa ntchito methylene chloride. Pa ntchito zotsalazi, lamulo lomwe laperekedwalo likhazikitsa malamulo okhwima pantchito kuti achepetse kuwonekera kwa ogwira ntchito.
EPA ikuyerekeza kuti lamuloli lidzakhudza anthu oposa theka la anthu omwe amagwiritsa ntchito methylene chloride pachaka ku United States. Akuganiza kuti ayimitse kupanga, kukonza, kufalitsa ndi kugwiritsa ntchito dichloromethane mkati mwa miyezi 15. Monga momwe EPA yatulutsira posachedwapa mankhwala ena okhazikika, osonkhanitsa komanso oopsa (PBTs), nthawi yochepa yochotsera methylene chloride singakhale yokwanira kukwaniritsa zosowa za mafakitale ena, kotero pakhoza kukhala mavuto ena okhudzana ndi kutsata malamulo. . Osachepera, lamuloli likhoza kukhala ndi zotsatirapo zazikulu pamavuto opanga ndi kugulitsa pamene makampani akuyesa kugwiritsa ntchito methylene chloride ndikuyang'ana njira zina zoyenera.
EPA idzalandira ndemanga pa lamulo lomwe likuperekedwa pofika pa Julayi 3, 2023. Makampani omwe akukhudzidwa ayenera kuganizira zopereka ndemanga pa kuthekera kwawo kutsatira malamulo, kuphatikizapo kusokonezeka kwa unyolo woperekera katundu ndi kuphwanya malamulo ena.
Chodzikanira: Chifukwa cha mtundu wonse wa zosinthazi, zomwe zaperekedwa pano sizingagwire ntchito nthawi zonse, ndipo siziyenera kuchitidwa popanda upangiri walamulo kutengera momwe zinthu zilili.
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