Wɔ May 3, 2023 no, EPA tintim mmara bi a wɔahyɛ ho nyansa wɔ Federal Register mu sɛ wɔbɛbara methylene chloride dodow no ara a wɔde di dwuma.
Wɔma EPA pene wɔ mmara a wɔahyɛ ho nyansa no ho wɔ Toxic Substances Control Act (TSCA) ase, na dichloromethane ne nnuru a ɛto so abien a wɔhwɛ asiane a ɛwɔ mu no so wɔ nsakrae nhyehyɛe a Frank R. Lautenberg de bae no ase. Wɔde Afeha a Ɛto so 21 Nnuru Ahobammɔ Mmara a ɛbaa afe 2016, bere a adwumakuw no dii adeyɛ bi a wɔde bɔɔ nkurɔfo ho ban fi asbestos a wɔde bɛbɔ wɔn ho ban ho akyi no, bae afe a etwaam no.
Wɔde dichloromethane di dwuma wɔ akwan horow so, a nea ɛka ho ne nneɛma a wɔde di dwuma wɔ adetɔfo te sɛ aerosol degreasers ne brush cleaners a wɔde yɛ paint ne coatings, aguadi mu nneɛma te sɛ adhesives ne sealants, ne mfiridwuma mu nneɛma a wɔde yɛ nnuru afoforo. Sɛ nhwɛso no, wɔde dichloromethane di dwuma sɛ nnuru a ɛyɛ ntamgyinafo wɔ hydrofluorocarbons (HFCs)32 a wɔyɛ mu, a wɔde di dwuma wɔ frigye a wɔde afra mu de si nneɛma a ɛwɔ tumi a ɛma wiase nyinaa hyew kɛse ananmu.
Anyɛ yiye koraa no, nnipa 85 na wɔawuwu esiane methylene chloride a wɔde wɔn ho ahyɛ mu denneennen fi 1980 mu, na wɔn mu dodow no ara yɛ adwumayɛfo a wɔyɛ adwuma wɔ apam mu a wɔde siesie afie a wɔatete wɔn yiye na wɔde nnwinnade a wɔde bɔ wɔn ho ban ahyɛ mu, sɛnea Atwa Yɛn Ho Ahyia Ho Banbɔ Dwumadibea no kyerɛ no.
Asiane a adwumakuw no yɛɛ ho nhwehwɛmu a enni adanse a ɛfa dichloromethane ho no fi asiane ahorow a ɛbata adwumayɛfo, adwumayɛfo a wɔmfa nni dwuma (adwumayɛfo a wɔbɛn nanso wɔmfa nnuru no nni dwuma tẽẽ), wɔn a wɔde di dwuma, ne wɔn a wɔbɛn baabi a ɔde di dwuma no ho. Asoɛe a Ɛhwɛ Nneɛma a Atwa Yɛn Ho Ahyia So no ahu asiane ahorow a ɛwɔ nnipa akwahosan ho nkɛntɛnso bɔne mu, a nea ɛka ho ne ntini mu awuduru, mmerɛbo ne kokoram a efi ɔhome mu ba, ne honam ani methylene chloride a wɔde di dwuma no.
Asiane ho mmara a wɔahyɛ ho nyansa no bɛtew methylene chloride a wɔyɛ, ne yɛ ne ne kyekyɛ so ntɛmntɛm ama adetɔfo a wɔde di dwuma nyinaa ne mfiridwuma ne aguadi mu dodow no ara, na wɔde emu dodow no ara bedi dwuma koraa wɔ asram 15 mu. Wɔ methylene chloride a wɔde di dwuma dodow no ara a EPA hyɛ nyansa sɛ wɔbɛbara no mu no, ne nhwehwɛmu no kyerɛe sɛ mpɛn pii no, wobetumi anya nneɛma foforo a wɔde besi methylene chloride nneɛma ananmu a ɛho ka ne nea etu mpɔn.
EPA Sohwɛfo Michael S. Regan kae sɛ: “Nyansahu a ɛwɔ methylene chloride akyi no mu da hɔ na sɛ obi de ne ho hyɛ mu a, ebetumi de akwahosan ho haw a emu yɛ den aba na wawu mpo, a ɛyɛ nokwasɛm ma mmusua pii a awuduru a emu yɛ den ahwere wɔn adɔfo.” wɔ adwumakuw bi nsɛm ho amanneɛbɔ mu. "Ɛno nti na EPA reyɛ ho biribi denam nyansahyɛ a ɛrehyɛ sɛ wɔbɛbɔ adwumayɛfo akwahosan ho ban denam adwumayɛbea so nhyehyɛe a emu yɛ den a wɔde bɛba a ɛbɛbara nnuru yi a wɔde di dwuma dodow no ara na ɛbɛtew nea wɔde di dwuma wɔ afoforo nyinaa mu no so. Nkitahodi. Saa abakɔsɛm mu bara a wɔahyɛ ho nyansa yi kyerɛ nkɔso kɛse a yɛanya wɔ ahobammɔ foforo a yɛde bedi dwuma ama nnuru ahobammɔ ne nneɛma a yɛagye atom bere tenten de abɔ ɔmanfo akwahosan ho ban yiye no so."
Ɛkae wɔ asɛm bi mu sɛ: “Wɔ mfiridwuma mu nneɛma a wɔyɛ, mfiridwuma mu nneɛma a wɔyɛ, ne aban de a wɔde di dwuma a EPA anhyɛ nyansa sɛ wɔbɛbara ho no, EPA de nnuru a wɔde bɔ ho ban wɔ adwumayɛbea a anohyeto a emu yɛ den a wɔde bɛbɔ adwumayɛfo ho ban rema.” "EPA nsa aka nnwumakuw no nsɛm a ɛkyerɛ sɛ ebia adwumayɛbea ahorow bi bedi anohyeto a emu yɛ den a wɔahyɛ sɛ wɔmfa mma methylene chloride ho no so dedaw.Saa ahwehwɛde ahorow a wɔahyɛ ho nyansa yi bɛma wɔakɔ so ayɛ methylene chloride ho adwuma de ayɛ nnuru a ɛho hia kɛse na ama mmɔden a wɔbɔ sɛ wɔbɛtew wim nsakrae ho a wɔaka ho asɛm wɔ U.S. Nneɛma Foforo ne Nneɛma a Wɔyɛ Amanneɛbɔ mu no so. Adeyɛ ho hia.Afiri a ɛma wim yɛ hyew ne nnuru afoforo a ɛmma wim tebea di dwuma titiriw dwuma a wodi wɔ wim nsakrae a wɔko tia mu, na mmara a EPA ahyɛ ho nyansa no foa mmɔden a wɔrebɔ sɛ wɔbɛtew mframa bɔne a wɔtow gu no so.”
Bio nso, EPA kyerɛ sɛ wɔkɔ so di dichloromethane a wɔde di dwuma bi a NASA, DOD ne FAA hwehwɛ no so denneennen wɔ adwumayɛbea, efisɛ wobetumi atew nea wɔde di dwuma no so araa ma wɔ tebea horow a emu yɛ den yiye yi mu na ama asiane a ɛwɔ hɔ ama adwumayɛfo no so atew sɛnea ɛbɛyɛ yiye biara.
Asɛm no kae sɛ: “bara ne anohyeto ahorow a wɔahyɛ ho nyansa no nso bɛbɔ ɔmanfo ho ban afi methylene chloride a wɔde wɔn ho bɛhyɛ mu no ho.” "Asoɛe a Ɛhwɛ Nneɛma a Atwa Yɛn Ho Ahyia So no de mfe asia ho nsɛm a ɛfa awuduru a wɔde gu mu ho adi dwuma no ahu mmeae kakraa bi sɛ ebetumi ayɛ asiane ama mpɔtam a wɔabɔ ho ban. Bara a wɔabara wɔ EPA mmara a wɔahyɛ ho nyansa no mu no bɛkata methylene chloride a wɔbɛkɔ so de adi dwuma wɔ mmeae yi dodow no ara ho, a nokwarem no ɛyɛ asiane a ebetumi aba.
Wɔnam Federal Electronic Rulemaking Portal so begye nsɛm a wɔbɛka afa mmara a wɔahyɛ ho nyansa no ho akosi July 3, 2023, entry number EPA-HQ-OPPT-2020-0465.
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