Menene PFAs? Duk abin da kuke buƙatar sani
Bi shafin yanar gizon mu na Australiya kai tsaye don sabbin abubuwan sabuntawa
Sami imel ɗin mu masu tada hankali, app ɗin kyauta ko kwasfan labarai na yau da kullun
Ostiraliya na iya ƙarfafa ƙa'idodi game da matakan yarda na mahimman sinadarai na PFAS a cikin ruwan sha, rage yawan abin da ake kira sinadarai na har abada da aka yarda kowace lita.
Majalisar Binciken Kiwon Lafiyar Jama'a da Lafiya ta Kasa a ranar Litinin ta fitar da daftarin ka'idojin da ke yin kwaskwarima ga iyakokin sinadarai na PFAS hudu a cikin ruwan sha.
PFAS (per- da polyfluoroalkyl abubuwa), nau'in nau'in mahadi dubu da yawa, wani lokaci ana kiransa "sunadarai na har abada" yayin da suke dawwama a cikin muhalli na dogon lokaci kuma sun fi wahalar lalacewa fiye da abubuwa kamar sukari ko sunadarai. Bayyanar PFAS yana da faɗi kuma baya iyakance ga ruwan sha.
Yi rajista don imel ɗin watsewar labarai na Guardian Ostiraliya
Daftarin jagororin sun tsara shawarwari don iyakokin PFAS a cikin ruwan sha tsawon rayuwar mutum.
A ƙarƙashin daftarin, iyakar PFOA - wani fili da ake amfani da shi don yin Teflon - za a rage daga 560 ng / L zuwa 200 ng / L, bisa ga shaidar da ke haifar da ciwon daji.
Dangane da sabbin damuwa game da tasirin kasusuwa na kasusuwa, iyakokin PFOS - a baya maɓalli mai mahimmanci a cikin masana'anta Scotchgard - za a yanke daga 70 ng/L zuwa 4 ng/L.
A cikin watan Disamba na shekarar da ta gabata, Hukumar Bincike ta Duniya kan Ciwon daji ta rarraba PFOA a matsayin cutar kansa da ke haifar da mutane - a cikin nau'in shan barasa da gurɓataccen iska a waje - da PFOS a matsayin "maiyuwa" ciwon daji.
Jagororin kuma suna ba da shawarar sabbin iyakoki don mahaɗan PFAS guda biyu dangane da shaidar tasirin thyroid, na 30ng/L don PFHxS da 1000 ng/L don PFBS. An yi amfani da PFBS azaman maye gurbin PFOS a Scotchgard tun 2023.
Shugaban hukumar NHMRC, Farfesa Steve Wesselingh, ya fada a wani taron manema labarai cewa an kafa sabbin iyakokin ne bisa hujjoji daga nazarin dabbobi. "A halin yanzu ba mu yarda cewa akwai binciken ɗan adam na isassun ingancin da zai jagorance mu wajen haɓaka waɗannan lambobi," in ji shi.
Ƙididdiga na PFOS da aka tsara zai kasance daidai da jagororin Amurka, yayin da iyakar Australiya na PFOA zai kasance mafi girma.
Wesseleigh ya ce: "Ba sabon abu ba ne don ƙimar jagora ta bambanta daga ƙasa zuwa ƙasa a duk duniya bisa la'akari da hanyoyi daban-daban da wuraren ƙarewa da aka yi amfani da su," in ji Wesseleigh.
Amurka tana da niyya don ƙididdige adadin abubuwan da ke haifar da cutar sankara, yayin da masu kula da Ostiraliya ke ɗaukar tsarin “samfurin kofa”.
"Idan muka sami ƙasa da matakin matakin, mun yi imanin cewa babu haɗarin wannan abu da ke haifar da matsalar da aka gano, ko sun kasance matsalolin thyroid, matsalolin kasusuwa ko ciwon daji," in ji Wesseleigh.
NHMRC ta yi la'akari da saita ƙayyadaddun iyakokin ruwan sha na PFAS amma ta ga ba shi da amfani idan aka yi la'akari da lambobin sinadarai na PFAS. "Akwai adadi mai yawa na PFAS, kuma ba mu da bayanan guba ga yawancinsu," in ji Dokta David Cunliffe, babban mashawarcin ingancin ruwa na sashen kiwon lafiya na SA. "Mun ɗauki wannan hanyar don samar da ƙimar ƙa'idodin jagora ga waɗannan PFAS inda akwai bayanai."
Ana raba gudanar da PFAS tsakanin gwamnatin tarayya da jiha da yankuna, waɗanda ke daidaita samar da ruwa.
Dokta Daniel Deere, mai ba da shawara kan ruwa da kiwon lafiya a Water Futures, ya ce 'yan Australia ba su da bukatar damuwa game da PFAS a cikin ruwan sha na jama'a sai dai an sanar da su. "Mun yi sa'a a Ostiraliya saboda ba mu da wani ruwa da PFAS ta shafa, kuma ya kamata ku damu kawai idan hukumomi suka ba ku shawara kai tsaye.
Sai dai idan an ba da shawarar ba haka ba, babu wata kima a cikin amfani da madadin hanyoyin ruwa, kamar ruwan kwalba, tsarin kula da ruwan gida, matattarar ruwan benchtop, tankunan ruwan sama na gida ko bores,” in ji Deere a cikin wata sanarwa.
"'Yan Ostiraliya za su iya ci gaba da samun kwarin gwiwa cewa Ka'idodin Ruwan Sha na Australiya sun haɗa da sabuwar kuma mafi ƙarfin kimiyya don tabbatar da amincin ruwan sha," in ji Farfesa Stuart Khan, shugaban Makarantar Injiniya ta Jama'a a Jami'ar Sydney, a cikin wata sanarwa.
NHMRC ta ba da fifikon bita kan ƙa'idodin Australiya akan PFAS a cikin ruwan sha a ƙarshen 2022. Ba a sabunta ƙa'idodin ba tun 2018.
Daftarin jagororin za su ci gaba da kasancewa don tuntubar jama'a har zuwa ranar 22 ga Nuwamba.
A gaskiya ma, za mu iya amfani da na'urori masu ingancin ruwa don gano ingancin ruwa, za mu iya samar da nau'i-nau'i iri-iri don auna ma'auni daban-daban a cikin ruwa don tunani.
Lokacin aikawa: Dec-02-2024