{"refrec":{"BRefID":381092,"RR":"<b>Wallington, T.J.; Sulbaek Andersen, M.P.; Nielsen, O.J.</b> (2021). The case for a more precise definition of regulated PFAS. <i>Environ. Sci. Process. Impacts 23(12)</i>: 1834-1838. <a href=\"https://dx.doi.org/10.1039/d1em00296a\" target=\"_blank\">https://dx.doi.org/10.1039/d1em00296a</a>","BEntID":378833,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Environ. Sci. Process. Impacts 23(12)</i>: 1834-1838. <a href=\"https://dx.doi.org/10.1039/d1em00296a\" target=\"_blank\">https://dx.doi.org/10.1039/d1em00296a</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Wallington, T.J.; Sulbaek Andersen, M.P.; Nielsen, O.J.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Wallington, T.J.; Sulbaek Andersen, M.P.; Nielsen, O.J.","Englishabstract":"<p style=\"margin-left:0px;\">We argue that there is a need for a more precise of PFAS in a way that avoids including compounds with single CF<sub>3</sub>–, –CF<sub>2</sub>–, or <img src=\"https://www.rsc.org/images/entities/char_e009.gif\" alt=\"[double bond splayed left]\" width=\"9\" height=\"15\">CF– groups and excludes TFA and compounds that degrade to just give TFA. An example that meets this need is the definition by the U.S. Environmental Protection Agency of PFAS as “per- and polyfluorinated substances that structurally contain the unit R–(CF<sub>2</sub>)–C(F)(R<sub>1</sub>)R<sub>2</sub>. Both the CF<sub>2</sub> and CF moieties are saturated carbons and none of the R groups (R, R<sub>1</sub>, or R<sub>2</sub>) can be hydrogen”. Adoption of this definition, or one like it, would place future technical and regulatory discussions of the environmental impacts of organo-fluorine compounds on a sounder technical footing by focusing PFAS discussions and regulation on long-chain perfluoroalkyl sulfonic acids and perfluoroalkyl carboxylic acids.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"The case for a more precise definition of regulated PFAS","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-11 01:33:09.386810","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2021,"MonPub":null,"DateUpdate":"2024-01-22","DateCreate":"2024-01-22","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000721931300001","VABBcode":null,"OpenAcc":0,"DOI":"10.1039/d1em00296a"},"refs":null,"anarec":{"AnaID":381092,"PubliDate":2021,"Pagination":"1834-1838","XtraPublOfAnaID":null,"ISBN":null,"Volume":"23","Issue":"12","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":229421,"SerRR":"Environmental Science: Processes & Impacts. 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