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 ngokupheliswa kwe-EPA kutshanje kweekhemikhali ezithile eziqhubekayo, eziqokelelayo nezinobungozi (ii-PBTs), ixesha elifutshane lokupheliswa kwe-methylene chloride lisenokunganeli ukuhlangabezana neemfuno zamashishini athile, ngoko ke kunokubakho imiba ethile yokuthobela umthetho. . 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 kwengcebiso ethile yezomthetho ngokusekelwe kwimeko yakho ethile.
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