I nindo 20, mi dwi mir angwen, 2023, US Environmental Protection Agency (EPA) uketho cik ma juketho matek ikum yubu, yiku, man poko pa methylene chloride. EPA tiyo ku twero pare i the cik mir 6(a) mi cik mi gwoko piny ma rac (TSCA), ma weko judongo ni ketho cik ma juketho ikum kemikol. Risiko ma rwinyo pa ret nyo lembe moko. Methylene chloride pol kare jutiyu kudu calu piny ma nyayu lyethu i piny ma mako man ma mako piny, piny ma juyubu i mutukari, man piny ma kwanyo rangi man rangi, man tic macalo mutukari, yath, man kemikol copo nwangu peko ikum cik eni.
Lembe ma EPA ukwayu ukwayu jujuk tic ku methylene chloride i tic mapol mi tic man mi kuloka. Lembe ma jukwanu uketho i iye weko, ma pire tek uloyu pi oro 10 mi kwanyu rangi man rangi ma jutiyo kudu i dilo mi ndege pi jwigo peko madit ikum gwoko bedoleng pa ngom man piny ma pire tek. EPA de umedo lembe eni ni tic pa NASA ku dichloromethane i kare ma peko moko tek ma epe ku yore mukende maber mi tic ku lim.
Lembe ma judongo pa gavumente umito uketho jutiyo ku dichloromethane pi yubu hydrofluorocarbon-32 (HFC-32), piny ma jucopo tiyo kudu pi konyo loko HFCs mukende ma juwacu niya gitiye ku kero madit mi lyethu pa wi ngom, ma bikonyo tic pa EPA mi dwoko piny HFCs. nimakere ku cik mi US Innovation and Manufacturing Act of 2020. Ento, dul ne bi kwayu ju ma yiku ndege, NASA, man HFC-32 ni lubu cik mi gwoko methylene chloride i kabedo mi tic ma uketho i iye rwom ma mitire man lubo tok jeni. ku yweyo.
Ka cik ma juyiko eca juwodho i Federal Register, EPA bi jolo paru pa dhanu ikume pi nindu 60 i rules.gov/docket/EPA-HQ-OPPT-2020-0465.
Iceng abic, nindo 16, mi dwi mir abic, 2023, US Environmental Protection Agency (EPA) uwodho cik ma juyiko pi loko cik pa EPA ma tiyo ku Toxic Substances Control Act (TSCA). EPA gwoko TSCA Chemical Registry, ma uketho i iye kemikol ceke ma jung'eyo ni nwangire i ngom mi Amerika. I the TSCA, ju ma yiku piny man ju ma kelo piny kud i ngom mange umitu gi cwal waraga mi poyo wic pi kemikol manyen kawang ma juweko (calu ve sayusac man dongo) tiye. EPA umaku utim sayusac ikum peko pa kemikol manyen mapodi juyike nyo jukel kudi ngom mange. Cik ma juyiko kawoni nyutho nia EPA umitu etim sayusac ikum peko nyo eyiyu waraga mi weko 100 percent pa kemikol manyen mapodi piny moko umondo ngo i soko, nimakere ku aloka loka pa TSCA mi 2016.
I nindo 21, mi dwi mir angwen, 2023, US Environmental Protection Agency (EPA) ugoro yub mi gwoko leng pa plastik ma copo bedu ku adwogi madit ikum dhanu ma juketho cik ikumgi macalo ju ma yiku piny, juwil piny, ju ma yiku plastik, gwoko piny ma jucwalo man kabedo mi dwoko piny ma jutiyo kudu kendu, man mange. Nimakere ku lembe ma jugoro, EPA uketho yub mi wodhu piny ma rac ma wok kud i ngom man jwigo piny mukende i kabedu i 2040 ku lembakeca ma e: jwigo piny ma rac i tic mi yubu plastik, yubu kit ma jutiyo kudu ingey tic kudu, juku lum man micro-/nanoplastics kud i pii, man kwanyu lum ma wok kud i kabedu. Ikind lembe eni, EPA onyuthu lembe matung tung man cik ma jutimo ma jubeparu. Ikind lembe ma jutimo, EPA uwaco ni ebeponjo cik manyen ithe cik mi Toxic Substances Control Act pi kabedo mi dwoko piny ma jutiyo kudu ma tiyo ku pyrolysis pi dwoko piny ma judwoko cen ni plastik ma judwoko. Jurutic eca de gibe lwongu pi yiko cik mi Basel Convention, ma United States uyio ento eyiyu ngo i oro 1990, calu yo mange mi daru peko mi ng'om zoo mi yuk plastik.
I nindo 16, mi Dwi mir Aparacel, 2022, US Environmental Protection Agency (EPA) uketho cik mi medo cul migi ma kawoni ikum Toxic Substances and Control Act (TSCA), moko ikumgi bi medere wang aryo. Lembe maeni mi medo cik mi ketho cik loko paru pa EPA, nicaku i nindo 11, mi dwi mir acel, 2021, mi medo cul pa TSCA pi rwom pa piny. TSCA yio EPA ni culu ju ma yiku piny (ma ikind gi ju ma gi kelo piny kud i ngom mange) pi tic migi nimakere ku dul mir 4, 5, 6 man 14 mi TSCA. Ni lubre ku TSCA, EPA umitu elok cul "calu ma mitere" ingey oro adek. I 2018, EPA umio cik mi 40 CFR Part 700 Subpart C ma ketho wel ma kawoni.