I-EPA ikhuphe ummiselo ocetywayo phantsi koMthetho woLawulo lweZinto ezinobungozi (i-TSCA) othintela ukusetyenziswa kwe-dichloromethane (ekwaziwa ngokuba yi-dichloromethane okanye i-DCM). I-Dichloromethane yikhemikhali enoluhlu olubanzi lwemisebenzi yemizi-mveliso neyezorhwebo. Sisinyibilikisi esisetyenziswa kumashishini ahlukeneyo. Ikwasetyenziselwa ukwenza amanye amakhemikhali, kuquka nezinye izinto ezibandayo. Amashishini achaphazelekayo aquka:
Ngokuhambelana negunya layo phantsi kweCandelo 6(a) le-TSCA, i-EPA igqibe kwelokuba i-dichloromethane ibeka umngcipheko ongafanelekanga kwimpilo okanye kwindalo esingqongileyo. Ukuphendula, i-EPA ikhuphe umthetho ocetywayo ngoMeyi 3, 2023: (1) ukuthintela ukwenziwa, ukucutshungulwa, kunye nokusasazwa kwe-methylene chloride ukuze isetyenziswe ngabathengi, kunye (2) ukuthintela ukusetyenziswa kwe-methylene chloride kwimizi-mveliso. Umthetho ocetywayo we-EPA uya kuvumela i-FAA, i-NASA kunye neSebe lezoKhuselo, kunye nabanye abavelisi be-refrigerant, ukuba baqhubeke nokusebenzisa i-methylene chloride. Kwezi zicelo ziseleyo, umthetho ocetywayo uya kumisela ulawulo oluqinileyo kwindawo yokusebenza ukuze kuthintelwe ukuvezwa kwabasebenzi.
I-EPA iqikelela ukuba lo mthetho uza kuchaphazela ngaphezulu kwesiqingatha sokusetyenziswa kwe-methylene chloride ngonyaka e-United States. Kucetywayo ukuba kumiswe ukuveliswa, ukucutshungulwa, ukusasazwa kunye nokusetyenziswa kwe-dichloromethane zingadlulanga iinyanga ezili-15. Njengoko kunjalo kwi-EPA yakutshanje yokupheliswa kweekhemikhali ezithile eziqhubekayo, eziqokelelayo nezinobungozi (ii-PBTs), ixesha elifutshane lokupheliswa kwe-methylene chloride lisenokunganeli ukuhlangabezana neemfuno zamashishini athile kwaye ngenxa yoko linokubangela iingxaki ezithile ngokuthobela imithetho. Okungenani, lo mthetho ucetywayo unokuba nefuthe elibanzi kwimiba yokuvelisa kunye nokunikezelwa kweenkonzo njengoko iinkampani zivavanya ukusetyenziswa kwe-methylene chloride kwaye zikhangela ezinye iindlela ezifanelekileyo.
I-EPA iza kufumana izimvo malunga nomthetho ocetywayo ngaphambi komhla wesi-3 kweyeKhala ngo-2023. Amashishini achaphazelekayo kufuneka acinge ngokunika izimvo malunga nokukwazi kwawo ukuthobela, kuquka ukuphazamiseka okunokwenzeka kothungelwano lokubonelela kunye nokunye ukwaphulwa komthetho.
Isikhanyeli: Ngenxa yohlobo oluqhelekileyo lolu hlaziyo, ulwazi olunikiweyo apha lusenokungasebenzi kuzo zonke iimeko, kwaye akufuneki luthathwe amanyathelo ngaphandle kweengcebiso zomthetho ezithile ngokusekelwe kwimeko yakho ethile.
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