{"id":16496,"date":"2024-06-10T20:01:25","date_gmt":"2024-06-10T20:01:25","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=16496"},"modified":"2024-06-10T20:01:25","modified_gmt":"2024-06-10T20:01:25","slug":"pfas-toxic-chemicals-drinking-water","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/ro\/science\/environmental-science\/pfas-toxic-chemicals-drinking-water\/","title":{"rendered":"PFAS: Substan\u021be chimice toxice \u00een apa potabil\u0103"},"content":{"rendered":"<h2 class=\"wp-block-heading\">PFAS: Substan\u021be chimice toxice \u00een apa potabil\u0103<\/h2>\n\n<h2 class=\"wp-block-heading\">Ce sunt PFAS?<\/h2>\n\n<p>PFAS, sau substan\u021be perfluorurate \u0219i polifluorurate, sunt un grup de substan\u021be chimice sintetice care au fost folosite \u00eentr-o gam\u0103 larg\u0103 de produse de zeci de ani, inclusiv ambalaje alimentare, creme de protec\u021bie solar\u0103, vase de g\u0103tit antiaderente, produse cosmetice, smartphone-uri, echipamente ignifuge \u0219i spum\u0103 pentru stingerea incendiilor. PFAS sunt cunoscute pentru rezisten\u021ba lor la c\u0103ldur\u0103, ap\u0103, gr\u0103simi \u0219i pete.<\/p>\n\n<h2 class=\"wp-block-heading\">Riscuri pentru s\u0103n\u0103tate ale PFAS<\/h2>\n\n<p>Cercet\u0103ri recente au ar\u0103tat c\u0103 PFAS sunt mai periculoase pentru s\u0103n\u0103tatea uman\u0103 dec\u00e2t se credea anterior. Expunerea la PFAS a fost asociat\u0103 cu o varietate de probleme grave de s\u0103n\u0103tate, inclusiv cancer, greutate mic\u0103 la na\u0219tere \u0219i sisteme imunitare sl\u0103bite.<\/p>\n\n<h2 class=\"wp-block-heading\">PFAS \u00een apa potabil\u0103<\/h2>\n\n<p>PFAS se g\u0103sesc \u00een mod obi\u0219nuit \u00een apa potabil\u0103 din Statele Unite. Se estimeaz\u0103 c\u0103 peste 200 de milioane de americani ar putea bea ap\u0103 contaminat\u0103 cu PFAS.<\/p>\n\n<h2 class=\"wp-block-heading\">Avize de s\u0103n\u0103tate public\u0103 de la EPA<\/h2>\n\n<p>Ca r\u0103spuns la \u00eengrijor\u0103rile tot mai mari legate de PFAS, Agen\u021bia pentru Protec\u021bia Mediului (EPA) a emis noi avize de s\u0103n\u0103tate public\u0103 pentru dou\u0103 dintre cele mai utilizate PFAS: PFOS \u0219i PFOA. EPA a redus limitele pentru PFOS \u0219i PFOA \u00een apa potabil\u0103 la 0,02 p\u0103r\u021bi per trilion \u0219i respectiv 0,004 p\u0103r\u021bi per trilion.<\/p>\n\n<p>EPA a recomandat, de asemenea, limite sigure pentru apa potabil\u0103 pentru substan\u021be care sunt considerate \u00eenlocuitori pentru PFOA \u0219i PFOS. Pentru substan\u021bele chimice GenX, EPA recomand\u0103 niveluri de 10 p\u0103r\u021bi per trilion sau mai pu\u021bin. Pentru PFBS, limita este de 2.000 de p\u0103r\u021bi per trilion.<\/p>\n\n<h2 class=\"wp-block-heading\">Reac\u021bii la avizele EPA<\/h2>\n\n<p>Reac\u021biile la anun\u021bul EPA au fost mixte. Unii sus\u021bin\u0103tori spun c\u0103 agen\u021bia nu a mers suficient de departe \u0219i ar trebui s\u0103 reglementeze PFAS \u00een ansamblu (peste 9.000 de substan\u021be chimice intr\u0103 sub umbrela chimic\u0103 PFAS), \u00een timp ce al\u021bii s-au pl\u00e2ns c\u0103 noile avize sunt premature \u0219i ar cauza doar confuzie.<\/p>\n\n<h2 class=\"wp-block-heading\">Ac\u021biuni ale EPA<\/h2>\n\n<p>\u00cen prezent, EPA nu aplic\u0103 sau reglementeaz\u0103 noile avize de s\u0103n\u0103tate public\u0103. Cu toate acestea, agen\u021bia poate impune standarde obligatorii pentru unele PFAS \u00een toamn\u0103, care ar necesita ca utilit\u0103\u021bile municipale s\u0103 elimine substan\u021bele din apa potabil\u0103. EPA a anun\u021bat, de asemenea, c\u0103 pune la dispozi\u021bie granturi \u00een valoare de 1 miliard de dolari pentru a ajuta comunit\u0103\u021bile s\u0103 reduc\u0103 PFAS \u00een apa lor potabil\u0103.<\/p>\n\n<h2 class=\"wp-block-heading\">Pa\u0219i pentru reducerea expunerii<\/h2>\n\n<p>Persoanele care sunt \u00eengrijorate de PFAS ar trebui s\u0103 ia m\u0103suri pentru a-\u0219i limita propria expunere. Unele modalit\u0103\u021bi de reducere a expunerii includ:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Instalarea unui filtru de ap\u0103<\/li>\n<li>G\u0103sirea altor surse de ap\u0103 pentru ingestie<\/li>\n<li>Evitarea produselor care con\u021bin PFAS<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Resurse suplimentare<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>EPA: <a href=\"https:\/\/www.epa.gov\/pfas\" rel=\"nofollow noopener\" target=\"_blank\">https:\/\/www.epa.gov\/pfas<\/a><\/li>\n<li>Consiliul pentru Ap\u0103rarea Resurselor Naturale: <a href=\"https:\/\/www.nrdc.org\/stories\/pfas-everything-you-need-know\" rel=\"nofollow noopener\" target=\"_blank\">https:\/\/www.nrdc.org\/stories\/pfas-everything-you-need-know<\/a><\/li>\n<li>Grupul de lucru pentru mediu: <a href=\"https:\/\/www.ewg.org\/pfas\/\" rel=\"nofollow noopener\" target=\"_blank\">https:\/\/www.ewg.org\/pfas\/<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>PFAS: Substan\u021be chimice toxice \u00een apa potabil\u0103 Ce sunt PFAS? PFAS, sau substan\u021be perfluorurate \u0219i polifluorurate, sunt un grup de substan\u021be chimice sintetice care au fost folosite \u00eentr-o gam\u0103 larg\u0103&hellip;<\/p>\n","protected":false},"author":6,"featured_media":23630,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38],"tags":[173,176,179,4638,178],"class_list":["post-16496","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-environmental-science","tag-drinking-water","tag-pfas","tag-water-contamination","tag-environmental-health","tag-public-health"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts\/16496","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/comments?post=16496"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts\/16496\/revisions"}],"predecessor-version":[{"id":16497,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts\/16496\/revisions\/16497"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/media\/23630"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/media?parent=16496"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/categories?post=16496"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/tags?post=16496"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}