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Abstract: Our study supports half-lives of years for fluorotelomer polymers, and discrepancies with earlier work likely are partly due to limitations in the earlier work.

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citations
Cited by 9 publications
(12 citation statements)
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References 8 publications
(18 reference statements)
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“…Hydrolytic stability studies, conducted under OECD 111 Guidelines, on a commercial fluorotelomer-based acrylate polymer (Russell et al 2008) and a urethane polymer (Russell et al 2010) showed no discernible hydrolysis. Nevertheless, there is much debate regarding the hydrolysis and biodegradation of commercial fluorotelomer-based polymers (Russell et al 2008; Koch et al 2009; Russell et al 2009; Washington et al 2009a; Washington et al 2009b) that future research will illuminate.…”
Section: Families Of Perfluoroalkyl and Polyfluoroalkyl Substancesmentioning
confidence: 99%
“…Hydrolytic stability studies, conducted under OECD 111 Guidelines, on a commercial fluorotelomer-based acrylate polymer (Russell et al 2008) and a urethane polymer (Russell et al 2010) showed no discernible hydrolysis. Nevertheless, there is much debate regarding the hydrolysis and biodegradation of commercial fluorotelomer-based polymers (Russell et al 2008; Koch et al 2009; Russell et al 2009; Washington et al 2009a; Washington et al 2009b) that future research will illuminate.…”
Section: Families Of Perfluoroalkyl and Polyfluoroalkyl Substancesmentioning
confidence: 99%
“…However, the authors indicated that these estimates, which are based on freely dissolved particles, likely overestimate the true rates of hydrolysis for the polymer particles. As indicated by Washington et al, 40,41 surface area limitations can play a significant role in the hydrolysis of polymers. Certainly, the results of a Dupont study 42 suggest much longer hydrolytic half lives.…”
Section: Abiotic Hydrolysis Of Prefosmentioning
confidence: 99%
“…In stark contrast to this result, Washington et al40 conducted biodegradation studies on a similar material, and calculated half lives as low as 10-17 years. However, concerns about both studies have been made,41,64 This journal is ª The Royal Society of Chemistry 2010 J. Environ. Monit., 2010,12, 1979-2004 | 1985…”
mentioning
confidence: 99%
“…Among the most important and widely debated questions surrounding global PFAA emission estimates is the contribution of FTP degradation to environmental levels of PFAAs . FTPs account for ∼80% of all fluorotelomer-based substances in the global market .…”
Section: Introductionmentioning
confidence: 99%
“…19,20 Among the most important and widely debated questions surrounding global PFAA emission estimates is the contribu- tion of FTP degradation to environmental levels of PFAAs. 21 FTPs account for ∼80% of all fluorotelomer-based substances in the global market. 22 While studies by DuPont contend that FTPs are stable for centuries, 23 more recent work by the United States Environmental Protection Agency and researchers at the University of Toronto reported FTP half-lives on the order of decades.…”
Section: Introductionmentioning
confidence: 99%