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US Environmental Protection Agency chuan consumer zawng zawng leh industrial leh commercial application tam zawkah methylene chloride hman khap a rawt a ni. He ruahmanna thar hi agency-in November 2022-a risk assessment an tih zawh hnua siam a ni a, solvent-a inhriat hian hriselna lama nghawng ṭha lo, liver natna leh cancer a thlen thei tih an hmuchhuak a ni.
Methylene chloride hi thil chi hrang hrangah a awm a, chung zingah chuan adhesive, paint stripper, leh degreaser te pawh a tel. Chemical dang siamna atana raw material atan pawh hman a ni nasa hle. US Environmental Protection Agency chuan hnathawktu 900,000 chuang leh consumer maktaduai 15 chuangin methylene chloride an tawk fo niin a chhut.
He compound hi Toxic Substances Control Act (TSCA) siamṭhat hnuaia endik tur pahnihna a ni a, Environmental Protection Agency-in sumdawnna atana hman tur chemical thar leh awm tawhte himna enfiah a ngai a ni. Agency hian a tum ber chu thla 15 chhunga methylene chloride siam chhuah, processing leh distribution tihtawp a ni.
Methylene chloride hmanna thenkhat chu he khapna atang hian a tel lo a, chemical agent atana hman pawh a tel. Entirnan, hydrofluorocarbon-32 refrigerant siamnaah hman chhunzawm zel a ni ang a, hei hi khawvel lum theihna sang zawk leh/ emaw ozone tlakchhamna sang zawk neia siam danglamna tur atana siam a ni.
“Methylene chloride hi sipai leh federal hman atan a him reng niin kan ring,” tiin Environmental Protection Agency (EPA) Office of Chemical Safety and Pollution Prevention-a associate administrator Michal Friedhoff chuan he thu puan hma hian press conference-ah a sawi. “EPA hian hnathawkte himna humhim turin hma a la a ngai dawn a ni.”
Environment group ṭhenkhat chuan rawtna thar hi an lawmpui hle. Mahse, kum sawm chhung tal methylene chloride hman chhunzawm theihna tur dan aṭanga exception awmte chu an ngaihtuah thu an sawi bawk.
Environmental Defense Fund-a chemical policy senior director Maria Doa chuan hetiang hun rei tak hman hian exempt site bula cheng khawtlangte tan hlauhawmna a thlen chhunzawm zel dawn tih a sawi. Doa chuan Environmental Protection Agency chuan exemption hun chhung hi ti tawi emaw, heng plant aṭanga methylene chloride emission-ah khapna dang siam belh emaw a ngai a ni, a ti.
Hetihlai hian chemical siamtute aiawhtu trade group, American Chemistry Council chuan dan siam tura ruahmanna siam hian supply chain a nghawng thei niin an sawi. He pawl hian thuchhuah siamin, methylene chloride siam chhuah a tlahniam chak lutuk chuan a chanve aia tam a tlahniam dawn tih an sawi. He pawl hian tihtlem hian damdawi siamna ang chi industry dangte chungah “domino effect” a nei thei tih an sawi a, a bik takin “manufacturer-te chuan production tihtawp vek tura thutlukna an siam” a nih chuan.
Methylene chloride hi Environmental Protection Agency-in mihring hriselna leh boruak tichhe thei tur chemical 10 zinga pahnihna a ni. Pakhatnaah chuan asbestos a ni. Freedhoff chuan thil pathumna, perchlorethylene atana dan siam chu methylene chloride chungchanga dan thar nen a inang thei a, hei bakah hian khapna leh hnathawkte venhimna khauh zawk siam a ni thei tih a sawi.