Lamulo la US EPA likufuna kuti mankhwala onse ophera tizilombo azilembedwa m'zilankhulo ziwiri pofika chaka cha 2031.

Kuyambira pa Disembala 29, 2025, gawo la thanzi ndi chitetezo la zilembo za zinthu zomwe zili ndi mankhwala ophera tizilombo komanso kugwiritsa ntchito mankhwala oopsa kwambiri paulimi lidzafunika kuti lipereke kumasulira kwa Chisipanishi. Pambuyo pa gawo loyamba, zilembo za mankhwala ophera tizilombo ziyenera kuphatikiza kumasulira kumeneku pa nthawi yake kutengera mtundu wa mankhwala ndi gulu la poizoni, ndipo mankhwala ophera tizilombo oopsa komanso oopsa kwambiri amafunika kumasulira kaye. Pofika chaka cha 2030, zilembo zonse za mankhwala ophera tizilombo ziyenera kukhala ndi kumasulira kwa Chisipanishi. Kumasulirako kuyenera kuwonekera pachidebe cha mankhwala ophera tizilombo kapena kuyenera kuperekedwa kudzera pa ulalo kapena njira zina zamagetsi zomwe zikupezeka mosavuta.

Zinthu zatsopano komanso zatsopano zikuphatikizapo malangizo okhudza nthawi yogwiritsira ntchito zofunikira pakulemba zilembo m'zilankhulo ziwiri kutengera poizoni wa mitundu yosiyanasiyana yamankhwala ophera tizilombo, komanso mafunso ndi mayankho omwe amafunsidwa kawirikawiri okhudzana ndi izi.

Bungwe la US Environmental Protection Agency (EPA) likufuna kuonetsetsa kuti kusintha kwa zilembo zamitundu iwiri kumathandiza kuti ogwiritsa ntchito mankhwala ophera tizilombo azitha kupeza mosavuta,zogwiritsira ntchito mankhwala ophera tizilombo, ndi ogwira ntchito m'minda, motero kupangitsa kuti mankhwala ophera tizilombo akhale otetezeka kwa anthu ndi chilengedwe. EPA ikufuna kusintha zinthu za pa webusaitiyi kuti zikwaniritse zofunikira zosiyanasiyana za PRIA 5 komanso nthawi yomaliza komanso kupereka chidziwitso chatsopano. Zinthuzi zidzapezeka mu Chingerezi ndi Chisipanishi patsamba la EPA.