Levels of per- and polyfluoroalkyl substances (PFAS) in ski wax products on the market in 2019 indicate no changes in formulation

被引:15
|
作者
Fang, Shuhong [1 ]
Plassmann, Merle M. [2 ]
Cousins, Ian T. [2 ]
机构
[1] Chengdu Univ Informat Technol, Coll Resources & Environm, Chengdu 610225, Peoples R China
[2] Stockholm Univ, Dept Environm Sci, SE-10691 Stockholm, Sweden
关键词
OCCUPATIONAL-EXPOSURE; SOIL SAMPLES; PERFLUOROALKYL; SNOW; ENVIRONMENT; ALKANES; CHAIN; ACIDS;
D O I
10.1039/d0em00357c
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
In the summer of 2019, eleven of the best-selling fluorinated ski wax products were purchased from one of Norway's largest sports stores and soon after analysed for a suite of 26 per- and polyfluoroalkyl substances (PFAS). The waxes were shown to contain a wide range of perfluoroalkyl acids, including perfluoroalkyl carboxylic acids with up to 25 carbons. Of particular concern was the finding that perfluorooctanoic acid (PFOA) levels in nine of the eleven ski lubrication products analysed were above the EU limit values of 25 ng g(-1), which came into force on 4(th) July 2020. The ski wax with the highest PFOA levels had a concentration that was 1215 times higher than the EU restrictions. Although some of the ski wax manufacturers have indicated that they have switched to formulations that contain chemistries based on shorter perfluoroalkyl chains, the analytical results show that this is not the case.
引用
收藏
页码:2142 / 2146
页数:5
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