Ngo-Ephreli 30, 2024, i-United States Envicen Environmental Protection Agency (EPA) ikhiphe ukuvinjelwa kokusetshenziswa kwe-dichloromethane enenhloso ehlukahlukene ngokuya ngemithethonqubo yokulawulwa kwengozi yoMthetho Wokulawulwa Kwezinto ezinobungozi (TSCA). Lokhu kuhamba kuhlose ukuqinisekisa ukuthi ukusetshenziswa okubucayi kwe-dichloromethane kungasetshenziswa ngokuphepha ngohlelo olubanzi lokuvikelwa kwezisebenzi. Ukuvinjelwa kuzoqala ukusebenza kungakapheli izinsuku ezingama-60 ngemuva kokushicilelwa kwalo kwirejista yombuso.
I-DichloRomethane ingamakhemikhali ayingozi, angadala umdlavuza ohlukahlukene nezinkinga zempilo ezibucayi, kubandakanya umdlavuza wesibindi, umdlavuza wamaphaphu, umdlavuza webele, umdlavuza webele, umdlavuza we-leusemia kanye nomdlavuza wesistimu ye-werven. Ngaphezu kwalokho, futhi ithwala ubungozi be-neurotoxicity kanye nokulimala kwesibindi. Ngakho-ke, ukuvinjelwa kudinga izinkampani ezithintekayo ukuze zinciphise kancane kancane ukukhiqizwa, ukucubungula nokusabalalisa kwe-dichloromethane yabathengi kanye nezinhloso zezimboni kanye nezentengiso, kufaka phakathi umhlobiso wekhaya. Ukusetshenziswa kwabathengi kuzosuswa kungakapheli unyaka owodwa, ngenkathi ukusetshenziswa kwezimboni nezentengiselwano kuzovinjelwa kungakapheli iminyaka emibili.
Ngezimo ezimbalwa ezinokusetshenziswa okubalulekile ezindaweni ezithuthukile kakhulu, lokhu kuvinjelwa kuvumela ukugcinwa kwe-DichloRomethane futhi kususe inqubo yokuvikela isisebenzi esiyisihluthulelo - uhlelo lokuvikelwa kwamakhemikhali emsebenzini. Leli cebo libeka imingcele yokuvezwa okuqinile, izidingo zokuqapha, kanye nokuqeqeshwa kwabasebenzi kanye nezibopho zesaziso zeDicchoromenethane ukuvikela abasebenzi ekusongelweni komdlavuza kanye nezinye izinkinga zempilo ezibangelwa ukuvezwa kwamakhemikhali anjalo. Ngemisebenzi yokusebenzela ezoqhubeka nokusebenzisa i-DichloRomethane, iningi lezinkampani kudingeka lihambisane nemithetho emisha kungakapheli izinyanga eziyi-18 ngemuva kokukhishwa kwemithetho yokulawulwa kwengozi futhi iqhube ukubhekwa njalo.
Lokhu kusetshenziswa kokhiye kufaka phakathi:
Ukukhiqiza amanye amakhemikhali, afana namakhemikhali efriji aqakathekile angabeka kancane kancane indawo yokugcina i-hydrofluorocarboc engaphansi kwe-bipartisan american activation kanye nokwenza umthetho;
Ukukhiqizwa kwabahlukanisi bebhethri kagesi;
Ukucubungula izinsiza kuzinhlelo ezivaliwe;
Ukusetshenziswa kwamakhemikhali welebhu;
Ukukhiqizwa kwepulasitiki nenjoloba, kufaka phakathi ukukhiqizwa kwePolycarbonate;
Solvent welding.
Isikhathi Sokuthumela: Oct-23-2024