Research Article
Determination of Per- and Polyfluoroalkyl Substances in Craft Villages and Industrial Environments of Vietnam
Table 2
Concentrations of PFASs (ng/L) in wastewater of selected metal-plating factories and textile-dyeing factories in Vietnam.
| Name | PFHxA | PFOA | PFNA | PFDA | PFUdA | PFDoA | PFHxS | PFOS | Σ8 PFCs | ΣPFCAs | ΣPFSAs |
| Metal-plating factories | W98 | NQa | 2.19 | NQ | 1.24 | NQ | NQ | NQ | 18.9 | 22.3 | 3.43 | 18.9 | BG01 | 0.68 | 0.58 | NQ | 0.53 | NQ | NQ | 1.26 | 5.41 | 8.46 | 1.79 | 6.67 | BG02 | 0.92 | 0.5 | NQ | 0.86 | NQ | NQ | 0.88 | 8.64 | 11.8 | 2.28 | 9.52 | BG03 | 0.70 | 0.96 | NQ | 0.59 | NQ | NQ | NQ | 17.7 | 19.9 | 2.25 | 17.7 | BG04 | 0.45 | 1.03 | NQ | NQ | NQ | NQ | NQ | 0.73 | 2.21 | 1.48 | 0.73 | W3 | NQ | 0.37 | NQ | NQ | NQ | NQ | NQ | NQ | 0.37 | 0.37 | 0 | W97 | NQ | 0.72 | NQ | 1.78 | NQ | NQ | NQ | NQ | 2.5 | 2.5 | 0 | W96 | NQ | NQ | NQ | NQ | NQ | NQ | NQ | NQ | 0 | 0 | 0 | Textile-dyeing factories | W120 | 1.14 | 3.53 | NQ | NQ | NQ | NQ | NQ | NQ | 4.67 | 4.67 | 0 | W127 | 2.09 | 6.69 | NQ | NQ | NQ | NQ | NQ | NQ | 8.78 | 8.78 | 0 | W129 | 1.07 | 0.37 | NQ | NQ | NQ | NQ | NQ | NQ | 1.44 | 1.44 | 0 | W131 | 43.6 | 16.0 | NQ | NQ | NQ | NQ | NQ | NQ | 59.5 | 59.5 | 0 | W132 | 30.1 | 0.52 | NQ | NQ | NQ | NQ | NQ | NQ | 30.6 | 30.6 | 0 | W134 | NQ | 1.47 | NQ | NQ | NQ | NQ | NQ | NQ | 1.47 | 1.47 | 0 | W137 | 3.18 | 0.55 | NQ | NQ | NQ | NQ | NQ | NQ | 3.73 | 3.73 | 0 | W138 | NQ | 1.75 | NQ | NQ | NQ | NQ | NQ | NQ | 1.75 | 1.75 | 0 | MQL | 0.26 | 0.35 | 0.41 | 0.36 | 0.49 | 0.29 | 0.31 | 0.19 | | | |
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aNot quantified (concentration lower than MQL and treated as 0 in Σ8 PFCs, ΣPFCAs, and ΣPFSAs).
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