Ọdịnihu Na-enweghị Nsí A na-agba mbọ ime ka ọdịnihu dịkwuo mma site n'ịkwalite ojiji nke ngwaahịa, kemịkalụ na omume dị nchebe site na nyocha kachasị ọhụrụ, ịkwado, nhazi ọtụtụ mmadụ na itinye aka na ndị ahịa.
N'ọnwa Eprel afọ 2023, EPA tụrụ aro ka a machibido ojiji methylene chloride n'ọtụtụ ebe. Toxic Free Future nabatara atụmatụ ahụ, na-agba EPA ume ka o mechaa iwu ahụ ma gbasaa nchekwa ya nye ndị ọrụ niile ozugbo enwere ike. ọzọ.
Dichloromethane (a makwaara dị ka dichloromethane ma ọ bụ DCM) bụ ihe mgbaze organohalogen nke a na-eji ewepụ agba ma ọ bụ ihe mkpuchi na ngwaahịa ndị ọzọ dị ka ihe na-eme ka ihe dị nro na ihe na-ewepụ ntụpọ. Mgbe anwụrụ methylene chloride na-agbakọta, kemịkalụ a nwere ike ibute nkụchi na nkụchi obi. Nke a emeela ọtụtụ mmadụ ndị jirila ihe na-ewepụ agba na ihe mkpuchi nwere kemịkalụ a, gụnyere Kevin Hartley na Joshua Atkins. Ọ dịghị ezinụlọ furu onye ha hụrụ n'anya site na kemịkalụ a.
Na 2017, Ụlọ Ọrụ Nchedo Gburugburu Ebe Obibi nke US (EPA) tụrụ aro ka a machibido iji dichloromethane maka ndị na-ese ihe agba (ma maka ndị ahịa ma maka ojiji azụmaahịa). Mgbe afọ ahụ gasịrị, methylene chloride bụ otu n'ime kemịkalụ iri mbụ "dị adị" nke EPA malitere ime nyocha ihe egwu iji mụọ ojiji kemịkalụ niile.
Mgbasa ozi Toxic-Free Future mere ka ihe karịrị ndị na-ere ahịa iri na abụọ, gụnyere Lowe's, The Home Depot na Walmart, kwụsị ire ihe mkpofu agba nwere kemịkal ahụ n'onwe ha. Mgbe ha zutere ezinụlọ ndị nwụrụ n'ihi nnukwu ikpughe kemịkal ahụ, EPA mechara machibido ojiji ya na ngwaahịa ndị ahịa na 2019, mana ha kwere ka a nọgide na-eji ya n'ebe ọrụ, ebe ọ nwere ike ịdị iche na ojiji ụlọ. N'ezie, n'ime ọnwụ 85 a kọrọ site na ikpughe n'etiti 1985 na 2018, ikpughe ọrụ bụ ihe kpatara 75% nke ọnwụ.
Na 2020 na 2022, EPA wepụtara nyocha ihe egwu nke gosiri na ọtụtụ ojiji methylene chloride na-anọchite anya "ihe egwu na-enweghị isi nke mmerụ ahụ nye ahụike ma ọ bụ gburugburu ebe obibi." Na 2023, EPA na-atụ aro ka a machibido ojiji kemịkalụ niile nke ndị ahịa na ọtụtụ ụlọ ọrụ mmepụta ihe na azụmaahịa, yana ihe achọrọ maka nchekwa ebe ọrụ chọrọ mwepu ojiji dị oke mkpa na mwepụta pụtara ìhè site na ụfọdụ ụlọ ọrụ gọọmentị etiti.