Agụnyere PFHxS na njikwa nhazi UK POPs

Na Nọvemba 15, 2023, UK nyere iwu UK SI 2023/1217 iji kwalite njikwa njikwa nke ụkpụrụ POP ya, gụnyere perfluorohexanesulfonic acid (PFHxS), nnu ya, na ihe ndị metụtara ya, nwere ụbọchị dị irè nke Nọvemba 16, 2023.
Mgbe Brexit gachara, UK ka na-agbaso ụkpụrụ njikwa dị mkpa nke EU POPs Regulation (EU) 2019/1021. Mmelite a dabara na mmelite nke Ọgọst EU na PFHxS, nnu ya na ihe ndị metụtara njikwa ihe ndị metụtara Great Britain (gụnyere England, Scotland na Wales). Ihe mgbochi ndị a kapịrị ọnụ bụ ndị a:

Ihe PFAS na-aghọ isiokwu na-ekpo ọkụ n'ụwa niile. Ugbu a, a chịkọtara ihe mgbochi na ihe PFAS na European Union dị ka ndị a. Mba ndị ọzọ na-abụghị EU European nwekwara ụdị PFAS chọrọ, gụnyere Norway, Switzerland, United Kingdom na ndị ọzọ.

Ojiji a na-ejikarị PFHxS na nnu ya na ihe ndị metụtara ya
(1) Mmiri na-emepụta ụfụfụ na-emepụta ihe nkiri (AFFF) maka nchebe ọkụ
(2) Metal electroplating
(3) akwa, akpụkpọ anụ, na ịchọ mma ime ụlọ
(4) Ihe ndozi na nhicha
(5) mkpuchi, impregnation/nchekwa (eji maka mmiri na-egosi, mildew proof, wdg)
(6) Eletrọnịkị na semiconductor n'ichepụta ubi
Na mgbakwunye, ụdị ndị ọzọ enwere ike iji ya nwere ike ịgụnye ọgwụ ụmụ ahụhụ, ihe na-ere ọkụ, akwụkwọ na nkwakọ ngwaahịa, ụlọ ọrụ mmanụ ala, na mmanụ hydraulic. Ejila PFHxS, nnu ya, na ogige ndị metụtara PFHxS na ngwaahịa ndị ahịa dabere na PFAS.
PFHxS bụ nke otu ụdị PFAS. Na mgbakwunye na iwu ndị a kpọtụrụ aha n'elu na-achịkwa PFHxS, nnu ya, na ihe ndị metụtara ya, ọtụtụ mba ma ọ bụ mpaghara na-achịkwa PFAS dị ka isi ụdị ihe. N'ihi mmerụ ahụ ọ nwere na gburugburu ebe obibi na ahụike mmadụ, PFAS aghọwowanye ewu ewu maka njikwa. Ọtụtụ mba na mpaghara etinyela mmachi na PFAS, ụfọdụ ụlọ ọrụ etinyela aka na ikpe n'ihi ojiji ma ọ bụ mmetọ nke ihe PFAS. N'ime njikwa PFAS zuru ụwa ọnụ, ụlọ ọrụ kwesịrị ịṅa ntị n'oge na usoro usoro iwu ma rụọ ọrụ dị mma na njikwa gburugburu ebe obibi iji hụ na nnabata ngwaahịa na nchekwa na-abanye n'ahịa ahịa kwekọrọ.