May 3-a tihchhuah, ruahmanna siamah US Environmental Protection Agency chuan dichloromethane, dichloromethane tia hriat bawk, ​​common solvent leh processing aid hman khap a rawt a ni. Consumer leh sumdawnna atana hmanraw hrang hrangah hman a ni a, adhesive leh sealant, automotive product, leh paint leh coating remover te pawh a tel. He chemical hi volume sang takin siam a ni a – Chemical Data Report (CDR)-in a tarlan danin, kum 2016 atanga 2019 thleng khan £100 million leh £500 million inkar a ni – chuvangin khapna hi pass a nih chuan industry tam takah nghawng lian tak a nei dawn a ni.
EPA rawtna hian “Toxic Substances Control Act (TSCA) hnuaia EPA risk definition-a tarlan angin, hman dan tur hnuaia dichloromethane hian mihring hriselna atana hlauhawm lo tak a thlen” a huam a ni. TSCA risk assessment leh chemical hian a chhan awm lo risk a thlen tawh loh nan a tul ang zela thil tulte hman a ni.
Hei bakah hian EPA-in dan a siamah hian Chemical Workplace Protection Plan (WCPP) a ngai a, hei hian inhalation exposure limits zawm tur leh methylene chloride hman chhunzawm zel thenkhat atana exposure monitoring te a huam tel bawk. Term hrang hrang hmanna atan record vawn leh downstream notification requirement a siam dawn bawk a, ram venhimna leh infrastructure pawimawh tak takte tana chhiatna nasa tak thlen thei tur use requirement-a hun bituk chhunga exemption engemaw zat a pe bawk ang.
Methylene chloride emaw, methylene chloride awmna thil emaw siamtu, lakluh, process, sumdawnna atana sem, hmang emaw paih thin company te chu he dan siam tum hian a nghawng thei a ni. Rule siam tum hian danin a huam theih tur industry chi hrang hrang 40 chuang a tarlang a, chungte chu: chemical wholesale, oil terminal leh terminal, basic organic leh inorganic chemical siamchhuah, bawlhhlawh hlauhawm paih, material recycling, paint leh paint thil siamtute; plumbing leh air conditioning siamtute; painting leh wallpaper siam hna thawktute; auto parts leh accessories dawr te; electric hmanrua leh component siam chhuah; soldering hmanrua siam chhuah; car thar leh hman tawh zuarte; dry cleaning leh laundry service te; doll, infiamna leh infiamna siam.
Rule siam tum hian “Kum khata methylene chloride siam chhuah zaa 35 vel chu damdawi siamna atana hman a ni a, chu chu TSCA hnuaia awm lo leh he dan hnuaia awm lo” a ni. subsection (B)(ii) atanga (vi)-a “chemical” tih awmzia atanga paih chhuah a ni. Heng exemption-te hian “ei tur, ei leh in lama supplement, damdawi, cosmetic, emaw device eng pawh, Federal Food, Drug, and Cosmetic Act Section 201-a tarlan angin, damdawi atana hman tur atana siam, siam, emaw sumdawnna atana sem chhuah a nih chuan a huam a ni. , cosmetics emaw devices....”
He khapna hian a nghawng tur industry te tan chuan a dang zawng tan a pawimawh hle. EPA-in methylene chloride aia hmanraw dang a zirchiannaah hian hmanraw chi hrang hrang atana hmanraw dang a hmuchhuak a, chungte chu adhesives, sealants, degreasers, paint leh coating remover, sealants, leh lubricant leh grease te an ni. Mahse, hriat tur chu processing aids (thil dang dang zingah) aiah hman tur a awm lo. Alternatives endikna hian “methylene chloride aiah product hman a rawt lo va, a tum ber chu screening result chu alternative awm thei anga ngaih a nih theih nan product dang leh chemical ingredients leh an methylene chloride hlauhawmna aiawh list siam a ni. Considered as part of TSCA Section 6(a) rules for methylene chloride.”. hnuaia awm.
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