Me Ya Kamata Mu Sani Game da PFAS

Game da PFAS/PFOS/PFOA/PFHxS

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Perfluorooctane sulfonic acid (PFOS), perfluorooctanoic acid (PFOA) da perfluorohexane sulfonate (PFHxS) wani yanki ne na dangin da aka ƙera da ake kira abubuwan per- da poly-fluoro-alkyl (PFAS).

Abubuwan Per- da poly-fluoroalkyl (PFAS) Perfluorooctane sulfonic acid (PFOS)
Perfluorooctanoic acid (PFOA)
Perfluorohexane sulfonate (PFHxS)

PFAS suna da nau'ikan aikace-aikace iri-iri a cikin kera samfuran mabukaci, gami da kafet, yadi, fata, kayan tuntuɓar abinci da labarai kamar kayan dafa abinci mara sanda da murfin takarda, tare da hana ruwa (mai hana ruwa / ruwa), man shafawa, mai da/ko kaddarorin tabo.

Bayanan EPA na Amurka akan PFAS

Yawancin abubuwan per- da polyfluoroalkyl (PFASs), kuma ana kiran su da sinadarai masu ruɓa (PFCs), ana samun su a duk duniya a cikin muhalli, namun daji, da mutane.

EPA ta damu musamman game da abin da ake kira dogon sarkar PFAS.Waɗannan suna dagewa a cikin mahalli, bioaccumulative a cikin namun daji da mutane, kuma suna da guba ga dabbobin dakin gwaje-gwaje da namun daji, suna haifar da haifuwa, haɓakawa, da tasirin tsarin a cikin gwaje-gwajen dakin gwaje-gwaje.

Waɗannan dogon sarkar PFAS sun ƙunshi ƙananan rukunai biyu:
Dogon sarkar perfluoroalkyl carboxylic acid (PFCAs) tare da carbons takwas ko fiye, gami da PFOA, da perfluoroalkane sulfonates (PFSAs) tare da carbons shida ko fiye, gami da perfluorohexane sulfonic acid (PFHxS) da perfluorooctane sulfonic acid (PFOS)

Bayanin FDA na Amurka akan sinadarai na PFAS

Tun daga 1960s, FDA ta ba da izini ga nau'ikan nau'ikan PFAS da yawa don amfani da su a cikin abubuwan tuntuɓar abinci saboda rashin sanda da mai, mai, da kaddarorin masu jure ruwa.Ana iya amfani da PFAS waɗanda aka ba da izini don amfani da hulɗa da abinci PFAS azaman wakilai masu tabbatar da mai a cikin kayan abinci mai sauri, kwantena na takarda, don hana mai da mai daga abinci daga yawo ta cikin marufi.

FDA ta sake duba sabbin bayanan kimiyya akan izinin amfani da abubuwan tuntuɓar abinci don tabbatar da cewa waɗannan amfanin sun ci gaba da zama lafiya.Lokacin da FDA ta gano yuwuwar matsalolin tsaro, hukumar ta tabbatar da cewa an magance waɗannan abubuwan ko kuma ba a ƙara yin amfani da waɗannan abubuwan a aikace-aikacen hulɗar abinci.

A ranar 29 ga Janairu, 2020, Kwamitin Lafiya na Kwamitin Majalisar Wakilan Amurka kan Makamashi da Muhalli ya saurari shawara don lissafin da ya danganci PFAS (HR2827) don ba da umarnin FDA ta hana amfani da PFAS a cikin duk abubuwan tuntuɓar abinci da aka fara a 2022 .

Me yasa muke buƙatar damuwa PFAS

PFAS da ake kira "sunadarai na dindindin", ma'ana cewa da zarar an sake su cikin muhalli, ba sa ɓacewa cikin sauƙi kuma suna da juriyar muhalli, ƙaura mai nisa da haɓakar halittu.

EPA ta Amurka ta bayyana a cikin 2016 cewa fallasa ga wasu matakan PFOS da PFOA na iya haifar da haɗarin lafiyar ɗan adam, gami da tasirin ci gaban tayin da jarirai, ciwon daji, lalacewar hanta, cututtukan rigakafi, cututtukan thyroid, da cututtukan zuciya.

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Ƙuntataccen sarrafawa na abubuwan PFAS a cikin Amurka

A cikin 2006, EPA ta gayyaci manyan manyan kamfanoni takwas (Arkema \ Asahi \ BASF Corporation ClariantDaikin \ 3M / Dyneon DuPont Solvay Solexis) a cikin masana'antar per- da polyfluoroalkyl abubuwa (PFASs) don shiga cikin shirin kula da duniya tare da biyu. Makasudin: Don ƙaddamar da cimma, ba daga baya fiye da 2010, raguwar kashi 95 cikin ɗari, wanda aka auna daga tushe na shekara ta 2000, a cikin duka abubuwan da ake fitarwa zuwa duk kafofin watsa labarai na perfluorooctanoic acid (PFOA), sunadarai na farko waɗanda zasu iya rushewa zuwa PFOA, da alaƙa mafi girma. sinadaran homologue, da matakan abun ciki na samfuran waɗannan sinadarai.Don ƙaddamar da aiki don kawar da waɗannan sinadarai daga hayaki da samfuran nan da 2015.

* Duk kamfanoni sun cim ma burin Shirin Gudanarwa na PFOA.

Matsakaicin iko na abubuwan PFAS - Califronia Prop 65

A ranar 10 ga Nuwamba, 2017, Ofishin California na Binciken Kiwon Lafiyar Muhalli (OEHHA) ya ƙara perfluorooctanoic acid (PFOA) da perfluorooctanesulfonic acid (PFOS) a cikin lissafin sinadarai na 65 na California, an san shi yana haifar da lahani ga haihuwa.

Bayan 10 Nuwamba 8, dole ne a ba da gargaɗi mai ma'ana kuma mai ma'ana ga kowane mutum da gangan ko aka fallasa shi ga PFOA da PFOS (babi na 6.6, sashe na 25249.6 [5]).

Bayan 10 Yuli 2019, PFOA da PFOS an hana su fitarwa zuwa kowane tushen ruwan sha (Babi 6.6, Sashe na 25249.5 [4]).

Shawarar California 65 ita ce Dokar Amincewa da Ruwan Sha da Dokokin Tilasta Abubuwan Guba na 1986, Anan ga umarnin akan gidan yanar gizon, *https://oehha.ca.gov/proposition-65/about-proposition-65

Matsakaicin iko na abubuwan PFAS a cikin Amurka - ESHB 2658

A ranar 21 ga Maris, 2018, Gwamnan Washington Inslee ya rattaba hannu kan lissafin HB2658 da ke iyakance amfani da sinadarai na perfluoroalkyl da polyfluoroalkyl (PFAs) a cikin marufi na abinci.

Kudirin zai haramta siyarwa, bayar da siyarwa ko rarraba fakitin abinci waɗanda ke ɗauke da sinadarai na PFAS da gangan a cikin jihar Washington, daga ranar 1 ga Janairu, 2022.

Sarrafa abubuwan PFAS a Turai

A ranar 27 ga Disamba, 2006, Majalisar Turai da Majalisar Ministoci tare sun ba da umarnin hana tallace-tallace da amfani da Perfluorooctane Sulfonate (2006/122/EC).Umurnin yana buƙatar abubuwan da ke da taro ko taro daidai ko sama da 0.005% na PFOS azaman yanki ko kashi, kuma sun ƙare, samfuran da aka kammala da sassan da ke ɗauke da 0.1% na PFOS tare da taro ko taro daidai ko sama da 0.005 % na PFOS ba za a kasuwa ba.

A ranar 17 ga Maris, 2010, Hukumar Tarayyar Turai ta buga Resolution 2010/161/EU, wanda ya ba da shawarar cewa ƙasashe membobin EU su sa ido kan kasancewar abubuwan perfluoroalkyl (PFAs) a cikin abinci a lokacin 2010 da 2011.

A ranar 14 ga Yuni 2017, Jarida ta Tarayyar Turai ta buga Regulation (EU) 2017/1000, yana ƙara perfluorooctanoic acid (PFOA), salts da abubuwan da ke da alaƙa da PFOA zuwa Annex 17 (Jerin Ƙuntataccen Abubuwa) na Dokar GASKIYA.Dangane da ƙa'idodin, labarai ko gaurayawan da ke ɗauke da sama da 25ppb na PFOA da gishiri da sama da PPB 1,000 na abubuwan da ke da alaƙa ba za a kera su ko sanya su a kasuwa ba daga 4 ga Yuli 2020.

A ranar 10 ga Yuli 2017, Hukumar Kula da Sinadarai ta Turai (ECHA) ta sanar da cewa an ƙara perfluorohexyl sulfonic acid da salts ɗin sa (PFHXs) a hukumance a cikin Jerin 'Yan takara na Abubuwan Babban Damuwa (SVHC).

Sarrafa abubuwan PFAS a Denmark

A Denmark, daga Yuli 1, 2020, Takarda da kayan tuntuɓar abinci waɗanda abubuwan per- da polyfluoroalkyl (PFAS) suka yi amfani da su, an hana su sanyawa a kasuwa.

Hukumar Kula da Dabbobin Dabbobi da Abinci ta Danish ta gabatar da ƙima mai nuna alama wacce za ta iya taimaka wa masana'antar tantance ko an ƙara abubuwan da ke da sinadarin fluorined cikin takarda da allo.Ƙimar mai nuna alama ita ce microgram Organic fluorine a kowace gram na takarda.Wannan yayi daidai da 10 microgram Organic fluorine a kowace murabba'in decimeter na takarda, lokacin da takardar tana da nauyin gram 0.5 a kowace murabba'in decimeter.Abun ciki da ke ƙasa da ƙimar mai nuna alama ana ɗaukarsa azaman gurɓatawar baya marar niyya.Don haka, kamfanoni za su iya amfani da ƙimar don tabbatar da cewa ba a ƙara abubuwan da ke da ruwa a cikin takarda ba.


Lokacin aikawa: Oktoba 18-2021