Table 3.
Levels (range (median) in ng/L) of PFAS from four locations in the eastern coastal waters of the Red Sea near Jeddah (KSA)
| Compound | Al-Arbaeen (n = 8) | Al-Shabab (n = 7) | Al-Khumrah (n = 9) | Obhur (n = 4) |
|---|---|---|---|---|
| PFHxA | 0.223 to > 198 (57.8) | 1.22–15.8 (10.5) | Nd | Nd–0.743 (Nd) |
| PFHpA | <LOQ−54.1 (7.83) | 0.924–3.03 (1.73) | Nd–0.334 (Nd) | Nd–0.934 (0.453) |
| PFOA | 0.345–66.0 (10.9) | 0.844–7.73 (3.42) | Nd–1.045 (0.776) | Nd–1.53 (1.11) |
| PFNA | <LOQ–15.6 (3.15) | <LOQ–5.93 (3.83) | Nd–0.545 (Nd) | Nd |
| PFDA | Nd–5.63 (Nd) | Nd−1.52 (0.545) | Nd | Nd |
| PFUnDA | Nd–5.66 (Nd) | Nd–0.223 (Nd) | Nd | Nd–23.8 (11.9) |
| PFBS | Nd–50.85 (8.8) | Nd–5.52 (3.62) | Nd–4.93 (Nd) | Nd |
| PFHxS | Nd–245 (68.9) | Nd–37.3 (19.9) | Nd | Nd–0.734 (Nd) |
| Br-PFOS | <LOQ–12.94 (0.334) | Nd–4.44 (Nd) | Nd | Nd |
| L-PFOS | <LOQ −21.6 (0.434) | Nd–4.77 (Nd) | Nd | Nd |
| 6:2 FTS | 0.135 to > 450 (51.4) | 0.823–14.4 (7.3) | Nd–0.345 (Nd) | Nd–8.62 (0.634) |
| FOSA | Nd–0.843 (0.482) | Nd to > 12.54 (2.64) | Nd | Nd |