Aha biro 3 by’okwezi kwa kataano 2023, EPA ekahandiika ekiragiro ekiteirweho omu kitabo kya Federo eky’okuzibira okukoresa munonga omubazi gwa methylene chloride.
, kandi dichloromethane n’omubazi gwa kabiri ogu akabi kaagwo karikuteebwaho ebiragiro ahansi y’omuringo gw’okuhindura ogwahangirwe Frank R. Lautenberg. Ebiragiro bya 21st Century eby’okwerinda omu by’emibazi ebya 2016. Omwaka oguhweire, ekitongore eki kikataho enkora z’okurinda abantu obutakwatwa amabaare ga asbestos.
Dichloromethane neekoresibwa omu miringo mingi, harimu n’okugikozesa nk’okukyendeeza amajuta g’omuyaga n’okuboneza oburashi ahabw’erangi n’okugijwara, okugikozesa omu by’obushuubuzi nk’okugikwata n’okukinga, n’okugikozesa omu makorero g’okukora emibazi endiijo. Nk’eky’okureeberaho, dichloromethane neekoresibwa nk’omubazi gw’omugati omu kuhanga ebiriisa by’amaizi (HFCs) 32, ebirikukoresibwa omu bifuki ebitaine rubaju ebitebeekanisiibwe kugaruzaho ebintu ebiine obushoboorozi bw’okutagata kw’ensi yoona.
Abarwaire 85 nibo bafiire ahabw’okukwatwa munonga omubazi gwa methylene chloride kuruga 1980, kurugiirira aha kitongore ky’okurinda eby’obuhangwa, abaingi aharibo n’abakozi b’endagaano z’okuboneza amaka, n’obu baraabe baabaire batendekirwe omu bwijwire kandi baine eby’okwerinda.
Enshoboorora y‘ekitongore aha kabi ka dichloromethane teine ​​nshonga kandi neerugiirira aha kabi akarikukwata aha bakozi, abakugu abatarikukoresa omubazi (abakozi abari haihi kwonka abatarikukwatwaho omubazi butunu), abaguzi n‘abo abari haihi n‘abaguzi. Ekitongore ky’okurinda eby’obuhangwa kimanyire akabi k’okukwatwaho kubi aha magara g’abantu ahabw’okuhuuta n’okukwatwaho oruhu rw’omubazi gwa methylene chloride, otwariiremu n’obutwa bw’omubiri, okukwatwaho kw’ekibumba, na kansa.
Ebiragiro ebiteirweho eby’okurinda akabi nibiija kukyendeeza omu bwangu okukora, okukora n’okujanjaaza methylene chloride ahabw’okukoresa kwona kw’abaguzi n’okukoresa okurikukirayo omu makorero n’eby’obushuubuzi, ebingi aharibyo nibiija kuhikiirizibwa omu bwijwire omu myezi 15. Okweshwijuma kukooreka ngu aha nkozesa nyingi za methylene chloride ezi EPA etebekaniise kuzibira, ebindi bikoreso okutwarira hamwe nibibaho n’omuhendo n’oburungi nk’ebintu bya methylene chloride.
“Obuhame bwa sayansi oburikukwata aha methylene chloride nibushoboororwa gye, kandi okukwatwaho methylene chloride nikibaasa kureetera abantu baingi munonga oburemeezi bw’amaani omu magara, nangwa n’okufa,” nikwo omukuru wa EPA Michael S. Regan yaagizire omu kihandiiko ky’amakuru kuruga omu kitongore ekyo. abakundwa abafeereirwe ahabw‘okutunga obutwa bw‘amaani. “Niyo nshonga ahabwenki EPA erikutwara ekikorwa ky’okuhabura ngu omubazi ogu gukyeenwe, hamwe n’okurinda amagara g’abakozi n’okukyendeeza aha kukwatwaho omu mbeera ezindi zoona barikutaho ebiragiro ebigumire omu myanya y’okukoreramu. amagara g’abantu boona.”
“Aha bikwatiraine n’okukora ebintu omu makorero, okukora ebintu omu makorero, n’okubikozesa omu gavumenti ya Federo ebi EPA etarikuhabura ngu bizibirwe, EPA neeha puroguraamu y’okurinda emibazi omu myanya y’okukoreramu erimu obugarukiro bw’okugikwataho kubaasa kurinda gye abakozi,” nikwo kyagambire omu kihandiiko. nikibaasa kuba kyaheza kuhikiiriza ebiteiso by‘okushohoza ebigumire munonga ahabwa methylene chloride. Ebyetaago ebi ebitebeekanisiibwe nibiija kuha methylene chloride omugisha gw’okugumizamu neekorwaho kubaasa kureetaho emibazi y’omugasho omu kurwanisa okutagata kw’ensi. Ebifuki ebirikukora gye n’embeera y’obwire n’ebindi bihingwa nibikora omurimo muhango omu kurwanisa empindahinduka y’obwire. , kandi ekiragiro eki EPA erikuteekateekaho nikishagika okuteeraho okundi okw’okukyendeeza aha nshaho.”
Okwongyera ahari ekyo, EPA neehabura ngu okukoresa okumwe okwa dichloromethane okurikwetengyesa NASA, DOD na FAA kugumizemu nikukyeberwa munonga omu myanya y’okukoreramu, ahabw’okuba okukwatwaho nikubaasa kukyendeera munonga omu mbeera ezi ezigumire munonga, obwo nibukyendeeza akabi aha bakozi.
“Okuzibira n’okuzibira okuteirweho nakyo nikiija kurinda abantu obutakwatwa omubazi gwa methylene chloride,” ekihandiiko kyagira. "Okukozesa emyaka mukaaga y'okushohozibwa kw'obutwa, EPA emanyire omubaro mukye gw'ebintu nk'ebirikubaasa kuba eby'akabi aha byaro ebiine orugo. Okuzibira omu biragiro ebiteirweho EPA nikwija kukwata aha kugumizamu n'okukozesa methylene chloride aha myanya mingi nk'egyo, omu muringo murungi kwihaho akabi akarikubaasa kuba akabi aha byaro ebiri haihi."
Ebiteiso aha biragiro ebi nibiija kwikirizibwa kurabira omu mukutu gw'ebiragiro ogwa gavumenti, enamba ya fairo EPA-HQ-OPPT-2020-0465, ebiro by'okuhendera ebiro 3 Okwamushanju 2023.
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