Ameriki sigida lakanani baarada (EPA) b’a ɲini ka dikulorometan (kloridi mɛtilɛni) tali fanba bali ka kɛɲɛ ni sariya ye min bɛ wele ko Toxic Substances Control Act (TSCA), o min bɛ Ameriki ka kemikɛli politiki ɲɛnabɔ. Dikuloromɛtan ye laboratuwari furaji ye min bɛ kɛ ka caya fɛnw na i n’a fɔ nɛgɛw, fɛnw datugulanw, tulumafɛnw ani penisilinifɛnw. O ye fɛn filanan ye min bɛna labɛn Tsca taabolo kura kɔnɔ, min dabɔra san 2016, asibiti kɔfɛ salon.
EPA ka laɲini b’a ɲini ka dikulorometan dilanni, a labɛnni ani a tilatilali bali ka kɛ mɔgɔw ka baarakɛminɛnw bɛɛ ye, ka dan sigi izini ni jago baara fanba la, ani ka baarakɛyɔrɔw kɔlɔsili gɛlɛn kɛ baara wɛrɛw la.
Kuloridi mɛtilɛni tali laboratuwari la, o bɛna labɛn porogaramu fɛ, wa a bɛna labɛn ni baarakɛyɔrɔ kemikɛli lakanani bolodalen ye, a tɛna kɛ ni dankarili ye. Labɛn in bɛ dan sigi baarakɛyɔrɔw la ka se miliyɔn 2 ma (ppm) sanga 8 kɔnɔ ani 16 ppm miniti 15 kɔnɔ.
EPA ka laɲini kura bɛna dan kura don dikuloromɛtan tali hakɛ la laboratuwariw kɔnɔ
Lamini lakanani baarada y’a jira ko farati bɛ hadamadenw ka kɛnɛyako juguw la minnu bɛ se ka sɔrɔ kuloridi mɛtilɛni fiyɛli ni fari tali fɛ, i n’a fɔ farikolojidɛsɛ ani nɔ minnu bɛ sɔrɔ sugunɛ na. O baarada y’a jira fana ko ni a fiyɛra ka mɛn ani ka fari bila o fɛn na, o bɛ dɔ fara kansɛri sɔrɔli kan.
EPA ɲɛmɔgɔba Michael Regan kɛlen ka o baarakɛda ka laɲini laseli kɛ Awirilikalo tile 20, a y’a fɔ ko: “Dɔnniya min bɛ kuloridi mɛtilɛni kɔfɛ, o jɛlen don, wa a nɔ bɛ se ka nɔba bila kɛnɛyako la, wa hali saya. denbaya".
Kabini san 1980, mɔgɔ 85 ni kɔ sara kuloridi mɛtilɛni tali jugumanba fɛ, ka kɛɲɛ ni EPA ka fɔta ye. U fanba tun ye so ɲɛnabɔli baarakɛlaw ye, u dɔw tun dege kosɛbɛ ani u tun bɛ u yɛrɛ tangalanw don. O baarada y’a jira ko mɔgɔ caman wɛrɛw bɛ ka “kɛnɛya nɔ jugumanba ni kuntaalajan sɔrɔ, kansɛri suguya dɔw fana sen bɛ o la.”
Obama ka fanga waati la, sigida lakanani baarada y’a latigɛ ko penisilini minnu bɛ kɛ ni kuloridi mɛtilɛni ye, olu bɛ “farati min tɛ se ka kɛ, ka kɛnɛya jogin.” San 2019, o baarada ye o fɛn suguw feereli bali feerekɛlaw ma, nka foroba kɛnɛyako lafasabagaw y’a sendon kiritigɛ la, minnu y’a jira ko sariyaw ma taa yɔrɔ jan, wa ko fɛɛrɛ gɛlɛnw tun ka kan ka tigɛ joona.
EPA b’a jira k’a ka fɛn kura laɲinitaw fanba bɛna waleya pewu kalo 15 kɔnɔ, wa u bɛ se ka kɛ sababu ye ka dankarili kɛ kɛmɛsarada la 52 la san kɔnɔ sɛnɛko jateminɛlenw na TSCA ka baarakɛcogo labanw na. Baarakɛda in y’a jira ko a b’a fɛ ka dikuloromɛtan baara fanba minnu bali, a ka c’a la, fura wɛrɛw bɛ sɔrɔ sɔngɔ kelen na.
Nka Ameriki kemikɛli tɔnba (ACC), n’o ye Ameriki kemikɛli tɔnw ka lasigiden ye, o ye EPA sɔsɔ o yɔrɔnin bɛɛ, k’a fɔ ko kuloridi mɛtilɛni ye “fɛn nafamaba” ye min bɛ kɛ ka mɔgɔw ka fɛn caman dilan.
EPA ka fɔta jaabi la, izini kulu y’a hami jira ko o bɛna “dantigɛli ni ɲagami don sariyaw kɔnɔ” Ameriki baarakɛlaw ka lakana ni kɛnɛyako ɲɛmɔgɔso ka kuloridi mɛtilɛni tali dan minnu bɛ sen na sisan. ACC b’a fɔ ko EPA ma “a latigɛ ko a ka kan” ka baarakɛyɔrɔw ka danbe wɛrɛw sigi sen kan minnu sigilen don kaban.
Lobby fana ye EPA jalaki ko a ma se k’a ka laɲiniw nɔfɛkow jateminɛ kosɛbɛ fɛnw dilancogo la. “O sɛnɛfɛnw bɔli teliya la hakɛ bɛ se ka nɔba bila fɛnw dilancogo la ni bɛnkansɛbɛnw wajibiyalenw bɛ fɛn dilannikɛlaw bolo, u ka kan ka minnu labato, walima ni fɛn dilannikɛlaw y’a latigɛ ka sɛnɛfɛnw dilanni dabila pewu,” ACC ye lasɔmini kɛ. nɔ bɛ nɔ bila baarakɛcogo kɔrɔw la, i n’a fɔ furakɛli cakɛda ani baara nafama dɔw minnu ɲɛfɔlen don EPA fɛ, minnu bɛ se ka sɔgɔsɔgɔ.”
EPA bɛ dankari kɛ fɛnw kan minnu tun bɛ makɔnɔ kabini tuma jan, nka a bɛ sira di jagokɛcogo ma ka taa a fɛ
Seginkanni min tun bɛ makɔnɔ kabini tuma jan, n’o ye Toxic Substances Control Act ye, n’o bɛ kemikɛlifɛnw labɛnni ɲɛnabɔ Ameriki jamana na, o donna baara la.
Angletɛri jamana ka soba ka kunnafoni b’a jira ko gɔfɛrɛnaman ka kan ka jɔyɔrɔba ta kosɛbɛ walasa ka koɲɛw ɲɛnabɔ minnu bɛ dɔnniya kan.
NASA ka Cassini sɛgɛsɛgɛlikɛlan ye buguri ni jikuruw Sɔrɔ Dugukolo lamini na minnu si bɛ sàn miliyɔn kɛmɛ damadɔ dɔrɔn Bɔ
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