Kwimigaqo ecetywayo eyapapashwa ngoMeyi 3, i-US Environmental Protection Agency icebisa ukuthintela ukusetyenziswa kwe-dichloromethane, ekwaziwa ngokuba yi-dichloromethane, isinyibilikisi esiqhelekileyo kunye noncedo lokucubungula. Isetyenziswa kwiintlobo ngeentlobo zezicelo zabathengi kunye nezezorhwebo, kubandakanya izincamathelisi kunye nezitywini, iimveliso zeemoto, kunye nezisusi zepeyinti kunye ne-coating. Le khemikhali iveliswa ngobuninzi obukhulu - phakathi kwe-£100 yezigidi kunye ne-£500 yezigidi ukusuka ngo-2016 ukuya ku-2019, ngokutsho kweChemical Data Report (CDR) - ngoko ke ukuvalwa, ukuba kupasisiwe, kuya kuba nempembelelo enkulu kumashishini amaninzi.
Isiphakamiso se-EPA sijongana "nomngcipheko ongafanelekanga kwimpilo yabantu obangelwa yi-dichloromethane phantsi kweemeko zokusetyenziswa, njengoko kubhaliwe kwiinkcazo zomngcipheko we-EPA phantsi koMthetho woLawulo lweZinto eziTyhefu (TSCA)". Uvavanyo lomngcipheko we-TSCA kunye nokusetyenziswa kweemfuno ukuya kwinqanaba elifunekayo ukuqinisekisa ukuba ikhemikhali ayisabeki mngcipheko ongafanelekanga.
Ukongeza, umthetho ocetywayo we-EPA ufuna iSicwangciso soKhuseleko lweNdawo yoMsebenzi seKhemikhali (i-WCPP), esiquka iimfuno zokuthobela imida yokuphefumla kunye nokubeka iliso ekubonakalisweni kokusetyenziswa kwe-methylene chloride ngokuqhubekayo. Iya kubeka kwakhona iimfuno zokugcina iirekhodi kunye nezesaziso ezisezantsi kwimiqathango emininzi yokusetyenziswa kwaye ibonelele ngokuxolelwa kwexesha elithile kwiimfuno zokusetyenziswa ezinokubangela ingozi enkulu kukhuseleko lwesizwe kunye neziseko ezibalulekileyo.
Iinkampani ezenza, ezingenisa kwamanye amazwe, ezicubungulayo, ezisasaza ngorhwebo, ezisebenzisa okanye ezilahla i-methylene chloride okanye iimveliso ezine-methylene chloride zinokuchaphazeleka ngumthetho ocetywayo. Lo mthetho ucetywayo udwelisa iindidi ezingaphezu kwama-40 ezahlukeneyo zamashishini ezinokugutyungelwa ngumthetho, kuquka: ukuthengiswa kweekhemikhali ngobuninzi, ii-terminals zeoyile kunye nee-terminals, ukuveliswa kweekhemikhali ezisisiseko ze-organic kunye ne-inorganic, ukulahlwa kwenkunkuma enobungozi, ukuphinda kusetyenziswe izinto, abavelisi bepeyinti kunye nepeyinti; abakhi bemibhobho kunye ne-air conditioner; abakhi bepeyinti kunye ne-wallpaper; iivenkile zezixhobo zeemoto kunye nezixhobo; ukuveliswa kwezixhobo zombane kunye nezixhobo; ukuveliswa kwezixhobo zokutywina; abathengisi beemoto ezintsha nezisetyenzisiweyo; iinkonzo zokucoca nokuhlamba impahla; ukwenza oonodoli, amathoyizi kunye nemidlalo.
Umthetho ocetywayo uthi “Phantse ama-35 ekhulwini emveliso yonyaka ye-methylene chloride isetyenziselwa iinjongo zamayeza ezingalawulwa yi-TSCA kwaye ezingalawulwa yilo mthetho.” ezingabandakanywanga kwinkcazo “yekhemikhali” kumacandelwana (B)(ii) ukuya ku-(vi). Ezi zixolelo “zibandakanya … naluphi na ukutya, isongezelelo sokutya, iyeza, izithambiso, okanye isixhobo, njengoko kuchaziwe kwiCandelo 201 loMthetho wezoKutya, izithambiso, kunye nezithambiso, xa zenziwe, zicutshungulwa, okanye zisasazwa kurhwebo ukuze zisetyenziswe njengeziyobisi. , izithambiso okanye izixhobo…”
Kwabo mashishini aza kuchaphazeleka yile miqathango, kubalulekile ukuqala ukukhangela ezinye iindlela. Uvavanyo lwe-EPA lwezinye iindlela ezingasetyenziswayo endaweni ye-methylene chloride luchonge ezinye iindlela zokusetyenziswa ezahlukeneyo ezifana nezincamathiselo, izitywini, izicoci, izisusi zepeyinti kunye neengubo, izitywini, kunye nezinto zokuthambisa kunye neegrisi. Nangona kunjalo, kubalulekile ukuqaphela ukuba akukho zinto zithatha indawo yezixhobo zokucubungula (phakathi kwezinye izinto) ezifunyenweyo. Uvavanyo lwezinye iindlela "alucebisi ukuba kusetyenziswe iimveliso endaweni ye-methylene chloride; endaweni yoko, injongo yalo kukubonelela ngoluhlu olumele iimveliso ezizezinye kunye nezithako zeekhemikhali kunye neengozi zazo ze-methylene chloride ukuqinisekisa ukuba iziphumo zokuhlola zithathwa njengezinye iindlela ezinokubakho. Ithathwa njengenxalenye yemithetho ye-TSCA Section 6(a) ye-methylene chloride."
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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