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Environment occurrence of perfluoroalkyl acids and associated human health risks near a major fluorochemical manufacturing park in southwest of China
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- Fang, Shuhong (författare)
- Stockholms universitet,Institutionen för miljövetenskap och analytisk kemi,Chengdu University of Information Technology, China
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- Sha, Bo (författare)
- Stockholms universitet,Institutionen för miljövetenskap och analytisk kemi
- Yin, Hongling (författare)
- visa fler...
- Bian, Yuxia (författare)
- visa färre...
- (creator_code:org_t)
- Elsevier BV, 2020
- 2020
- Engelska.
- Ingår i: Journal of Hazardous Materials. - : Elsevier BV. - 0304-3894 .- 1873-3336. ; 396
- Tidskriftsartikel (refereegranskat)
Abstract
Ämnesord
Stäng
- Despite China being the largest global manufacturer of perfluoroalkyl acids (PFAAs), few studies have been carried out on the environmental occurrence and associated human health risks of PFAAs emitted from manufacturing sites in China. Here, river water, tap water, soil and leaf samples were collected around a major fluorochemical manufacturing park (FMP) in the southwest of China in 2019. High EPFAA concentrations (sum of 12 PFAAs) of 3817 ng/L, 3254 ng/L, 322 - 476 ng/g dw and 23401-33749 ng/g dw were measured near the FMP in river water, tap water, soil and leaves, respectively, indicating that the FMP is a point source of PFAAs. PFOA was the predominant PFAA in all samples (58.5-98.6 %) indicating the production or use of PFOA at the FMP. PFOA concentrations in most tap water samples (> 300 ng/L in 31 of 38 samples) exceeded the U.S. EPA health advisory. Proportions of branched PFOA isomers in all samples were in 5.9-47.4 %, suggesting the production or use of PFOA manufactured by electrochemical fluorination at the FMP. It is recommended to focus more attention on branched PFOA isomers in the future because otherwise health risks may be underestimated due to their relatively high proportions in China.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences (hsv//eng)
Nyckelord
- Perfluoroalkyl acids
- Fluorochemical manufacturing plant
- Health risk
- Isomers
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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- Fang, Shuhong
- Sha, Bo
- Yin, Hongling
- Bian, Yuxia
- Yuan, Bo
- Cousins, Ian T.
- Om ämnet
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