Table 1.
Summary of PFAS detected in water samples.
| Chemical | Site |
||||||
|---|---|---|---|---|---|---|---|
| Estuarine sites |
Freshwater sites |
||||||
| A | B | C | D | F | E | G | |
| Sulfonates | (ng/L) | (ng/L) | |||||
| PFBS | 0.8 | 7.0 | 6.7 | 0.4 | 0.8 | 2.6 | 0.5 |
| PFHxS | 4.2 | 42.3 | 29.6 | 3.0 | 7.0 | 15.4 | 2.9 |
| PFOS | 3.9 | 74.9 | 74.1 | 5.1 | 13.9 | 45.2 | 6.5 |
| PFDS | 0.0 | 0.1 | 0.0 | 0.1 | 0.1 | 0.0 | |
| FOSA | 0.0 | 0.1 | 0.3 | 0.0 | 0.1 | 1.0 | 0.0 |
| N-EtFOSA | |||||||
| N-EtFOSAA | 0.2 | 0.3 | 0.8 | 0.2 | 1.5 | 1.9 | 0.1 |
| Carboxylates | |||||||
| PFBA | 2.9 | 10.2 | 11.1 | 1.7 | 2.8 | 8.8 | 2.7 |
| PFPeA | 3.1 | 9.7 | 6.4 | 1.2 | 2.1 | 9.7 | 3.5 |
| PFHxA | 2.1 | 22.6 | 10.9 | 1.5 | 2.1 | 11.4 | 2.4 |
| PFHpA | 1.8 | 8.9 | 6.9 | 1.2 | 1.5 | 6.0 | 1.8 |
| PFOA | 2.2 | 9.2 | 8.5 | 1.7 | 2.2 | 14.5 | 1.2 |
| PFNA | 0.2 | 1.2 | 6.4 | 0.4 | 3.3 | 2.2 | 0.1 |
| PFDA | 0.2 | 0.5 | 1.7 | 0.4 | 1.2 | 4.2 | 0.7 |
| PFUnDA | 0.1 | 0.2 | 1.1 | 0.2 | 0.7 | 0.5 | 0.2 |
| PFDoDA | 0.0 | 0.1 | 0.3 | 0.2 | 1.1 | 0.9 | 0.1 |
| PFTeDA | 0.0 | 0.0 | 0.1 | 0.1 | 0.0 | ||
| PFHxDA | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | ||
| PFOcDA | 0.0 | 0.0 | |||||
No value, <LOR.