EPA lɛ ejie mla ko ni ato he gbɛjianɔ yɛ nibii ni gbeɔ mɔ ni yeɔ mɔ awui lɛ ahe mla (TSCA) lɛ shishi ni tsiɔ dichloromethane (ni ale lɛ hu akɛ dichloromethane loo DCM) ni akɛtsuɔ nii babaoo lɛ naa lɛ kpo. Dichloromethane ji tsofa ko ni akɛtsuɔ nii yɛ nitsumɔhei kɛ jarayeli hei srɔtoi. Eji tsofa ko ni akɛtsuɔ nii yɛ nitsumɔhei srɔtoi. Akɛfeɔ tsofai krokomɛi hu, ni friji komɛi fata he. Nitsumɔhei ni ena he sɛɛ lɛ ekomɛi ji:
Yɛ hegbɛ ni eyɔɔ yɛ TSCA lɛ Mlijaa 6(a) lɛ naa lɛ, EPA lɛ etsɔɔ akɛ dichloromethane kɛ oshara ni jwɛŋmɔ bɛ mli baa gbɔmɔtsoŋ hewalɛnamɔ loo shihilɛ ni yɔɔ jɛmɛ lɛ nɔ. Yɛ hetoohamɔ mli lɛ, EPA lɛ kɛ mla ko ni ato he gbɛjianɔ lɛ ha yɛ May 3, 2023: (1) agu methylene chloride feemɔ, nitsumɔ, kɛ emlijaa koni mɛi ni heɔ nii lɛ kɛtsu nii, kɛ (2) agu nitsumɔhei babaoo ni kɛ methylene chloride tsuɔ nii lɛ. Mla ni EPA lɛ eto lɛ baaha FAA, NASA kɛ Nitsumɔhe ni Kwɛɔ Nibii Anɔ lɛ, kɛ agbɛnɛ hu mɛi komɛi ni feɔ friji lɛ aya nɔ amɛkɛ methylene chloride atsu nii. Kɛha nibimɔi ni eshwɛ nɛɛ, mla ni atsɔɔ lɛ baato gbɛjianɔi ni mli wa yɛ nitsumɔhe lɛ koni ekɛtsi nitsulɔi ni kɛ amɛhe woɔ nifeemɔi amli lɛ anaa.
EPA lɛ buɔ akɔntaa akɛ mla nɛɛ baaná nɔ ni fe methylene chloride ni akɛtsuɔ nii daa afi yɛ United States lɛ fã nɔ hewalɛ. Akɛ susumɔ eha akɛ abaakpa dichloromethane lɛ feemɔ, etsumɔ, emlijaa kɛ ekɛ nitsumɔ yɛ nyɔji 15 mli. Taakɛ eji yɛ EPA ni jie tsofai komɛi ni yaa nɔ, ni haa mɔ tsui nyɔɔ emli, ni ji tsofai ni gbeɔ mɔ (PBTs) lɛ ahe lɛ, ekolɛ be kuku ni akɛjieɔ methylene chloride lɛ faaa bɔ ni sa ni ekɛbaatsu nitsumɔhei komɛi ahiamɔ nii ahe nii, no hewɔ lɛ, ekolɛ mlai lɛ anɔyeli he saji komɛi baaba. . Kɛ hoo lɛ, mla ni atsɔɔ lɛ baanyɛ aná sɛɛnamɔi babaoo yɛ nibii afeemɔ kɛ nibii ni akɛhaa lɛ ahe saji ahe be mli ni nitsumɔhei lɛ kwɛɔ bɔ ni akɛ methylene chloride tsuɔ nii ahaa lɛ mli ni amɛtaoɔ gbɛi krokomɛi ni sa.
EPA baaná wiemɔi yɛ mla ni ato lɛ he kɛyashi July 3, 2023. Esa akɛ nitsumɔhei ni ena naagbai lɛ asusu he akɛ amɛbaahã wiemɔi yɛ amɛnyɛmɔ ni amɛkɛbaatsu he nii lɛ he, ni nɔ ni fata he ji nibii ni baanyɛ agbala nibii ni akɛhaa lɛ mli naagbai kɛ mlai krokomɛi ni aku mli lɛ.
Kpoomɔ: Akɛni tsakemɔ nɛɛ ji nɔ ni yɔɔ faŋŋ hewɔ lɛ, ekolɛ saji ni akɛha yɛ biɛ lɛ tsuuu nii yɛ shihilɛi fɛɛ amli, ni esaaa akɛ atsuɔ he nii kɛji mla he ŋaawoo pɔtɛɛ ko ni damɔ oshihilɛ pɔtɛɛ nɔ lɛ bɛ.
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