Menene PFAs? Duk abin da kuke buƙatar sani
Bi shafin yanar gizon mu na labarai kai tsaye na Australiya don sabbin sabuntawa
Sami imel ɗin labarai masu kayatarwa, manhajar kyauta ko podcast na labaran yau da kullun
Ostiraliya za ta iya tsaurara dokoki game da matakan da ake yarda da su na muhimman sinadarai na PFAS a cikin ruwan sha, wanda hakan zai rage yawan sinadaran da ake kira har abada da ake yarda da su a kowace lita.
Majalisar Binciken Lafiya da Lafiya ta Kasa a ranar Litinin ta fitar da daftarin jagororin da ke gyara iyakokin sinadarai guda hudu na PFAS a cikin ruwan sha.
PFAS (abubuwan da ke cikin kowace da kuma polyfluoroalkyl), wani nau'in sinadarai da dama, wani lokacin ana kiransa da "sunadarai na har abada" domin suna dawwama a cikin muhalli na tsawon lokaci kuma suna da wahalar halakawa fiye da abubuwa kamar sukari ko furotin. Shafar PFAS tana da faɗi kuma ba ta iyakance ga ruwan sha ba.
Yi rijista don samun sabbin labarai na jaridar Guardian Australia
Daftarin jagororin ya tsara shawarwari kan iyakokin PFAS a cikin ruwan sha a tsawon rayuwar mutum.
A ƙarƙashin daftarin, za a rage iyakar PFOA - wani sinadari da ake amfani da shi wajen yin Teflon - daga 560 ng/L zuwa 200 ng/L, bisa ga shaidar tasirinsu na cutar kansa.
Dangane da sabbin damuwa game da tasirin ƙashi, iyakokin PFOS - wanda a da shine babban sinadari a cikin mai kare masaka na Scotchgard - za a rage shi daga 70 ng/L zuwa 4 ng/L.
A watan Disamba na bara, Hukumar Bincike Kan Ciwon Daji ta Duniya ta sanya PFOA a matsayin wanda ke haifar da cutar kansa ga mutane - a cikin rukuni ɗaya da shan barasa da gurɓatar iska a waje - da kuma PFOS a matsayin "mai yiwuwa" cutar kansa.
Jagororin sun kuma gabatar da sabbin iyakoki ga mahaɗan PFAS guda biyu bisa ga shaidar tasirin thyroid, na 30ng/L ga PFHxS da 1000 ng/L ga PFBS. An yi amfani da PFBS a matsayin madadin PFOS a Scotchgard tun daga 2023.
Babban jami'in gudanarwa na NHMRC, Farfesa Steve Wesselingh, ya ce a wani taron manema labarai cewa an sanya sabbin iyakokin ne bisa ga shaidu daga nazarin dabbobi. "A halin yanzu ba mu yarda cewa akwai isassun nazarin ɗan adam na inganci da zai jagorance mu wajen haɓaka waɗannan alkaluma ba," in ji shi.
Iyakar PFOS da aka gabatar za ta yi daidai da ka'idojin Amurka, yayin da iyaka ta PFOA ta Ostiraliya za ta kasance mafi girma.
"Ba sabon abu ba ne cewa ƙa'idodin jagora sun bambanta daga ƙasa zuwa ƙasa a faɗin duniya bisa ga hanyoyi da ma'anoni daban-daban da aka yi amfani da su," in ji Wesseleigh.
Amurka na da nufin ganin babu wani tarin sinadarai masu haifar da cutar kansa, yayin da masu kula da harkokin mulki na Ostiraliya ke ɗaukar hanyar "tsarin gaba".
"Idan muka kai matakin ƙasa da wannan matakin, mun yi imanin cewa babu haɗarin wannan abu da ke haifar da matsalar da aka gano, ko dai matsalolin thyroid ne, matsalolin ƙashi ko ciwon daji," in ji Wesseleigh.
Hukumar NHMRC ta yi la'akari da kafa iyaka ga ruwan sha na PFAS amma ta ga hakan ba zai yiwu ba idan aka yi la'akari da adadin sinadarai na PFAS. "Akwai adadi mai yawa na PFAS, kuma ba mu da bayanai masu guba ga mafi yawansu," in ji Dakta David Cunliffe, babban mai ba da shawara kan ingancin ruwa ga sashen lafiya na SA, ya ce. "Mun bi wannan hanyar samar da ƙa'idodin jagororin mutum ɗaya ga waɗannan PFAS inda akwai bayanai da ake da su."
Ana raba tsarin gudanarwa na PFAS tsakanin gwamnatin tarayya da jiha da yankuna, waɗanda ke tsara samar da ruwa.
Dakta Daniel Deere, mai ba da shawara kan ruwa da lafiya a Water Futures, ya ce 'yan Australiya ba sa buƙatar damuwa game da PFAS a cikin ruwan sha na jama'a sai dai idan an sanar da su musamman. "Mun yi sa'a a Ostiraliya domin ba mu da ruwan da PFAS ke shafa, kuma ya kamata ku damu ne kawai idan hukumomi suka ba ku shawara kai tsaye."
Sai dai idan an ba da shawara akasin haka, babu wani amfani wajen amfani da wasu hanyoyin ruwa, kamar ruwan kwalba, tsarin tsaftace ruwan gida, matatun ruwa na benci, tankunan ruwan sama na gida ko ramukan ruwa," in ji Deere a cikin wata sanarwa.
"'Yan Australiya za su iya ci gaba da jin kwarin gwiwa cewa Ka'idojin Ruwan Sha na Australiya sun haɗa da sabbin kimiyya mafi ƙarfi don ƙarfafa amincin ruwan sha," in ji Farfesa Stuart Khan, shugaban Makarantar Injiniyan Jama'a a Jami'ar Sydney, a cikin wata sanarwa.
Hukumar NHMRC ta fi mayar da hankali kan sake duba ka'idojin Australiya kan PFAS a cikin ruwan sha a ƙarshen 2022. Ba a sabunta ka'idojin ba tun 2018.
Za a ci gaba da amfani da daftarin jagororin don tattaunawa da jama'a har zuwa ranar 22 ga Nuwamba.
A zahiri, za mu iya amfani da na'urori masu auna ingancin ruwa don gano ingancin ruwa, za mu iya samar da na'urori masu auna nau'ikan na'urori daban-daban don auna sigogi daban-daban a cikin ruwa don amfaninku.
Lokacin Saƙo: Disamba-02-2024