Table 1 Concentrations of polycyclic aromatic hydrocarbon (PAH) contaminants (in ng/g wet weight and lipid weight) and ratios of low molecular weight versus high molecular weight (∑LMW/HMW) PAH compounds in liver and skeletal muscle (SM) samples of stranded Bigg’s killer whales (O. orca) and Southern Resident killer whales (SRKW) from British Columbia, Canada (2006–2018).
Killer whale ID | Ecotype | Lipid weight (lw) | Wet Weight (ww) | ∑LMW/HMW | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Total PAH concentration (ng/g lw) | Concentration range (ng/g lw) | LMW PAHs (Σ2—3 ring PAHs) | HMW PAHs (Σ4—6 ring PAHs) | Total PAH concentration (ng/g ww) | Concentration range (ng/g ww) | LMW PAHs (Σ2–3 ring PAHs) | HMW PAHs (Σ4–6 ring PAHs) | |||
10/01,835, DFO 5646 Liver | Bigg’s | 2252.4 | 0.024–915.1 | 812.8 | 5.2 | 82.2 | 0.0086–33.4 | 29.7 | 0.2 | 157.0 |
16-1664 Liver | SRKW | 400.3 | 0.018–104.3 | 245.2 | 0.6 | 65.2 | 0.0029–17 | 40.0 | 0.1 | 394.2 |
16–1664 SM | SRKW | 458.2 | 0.22–52.8 | 383.6 | 6.8 | 6.0 | 0.0029–0.69 | 5.0 | 0.1 | 56.1 |
AHC 13-1550 Liver | Bigg’s | 1217.6 | 0.034–282.1 | 600.2 | 5.1 | 163.2 | 0.0045–37.8 | 81.7 | 0.7 | 118.4 |
AHC 14-5855 (J32) SM | SRKW | 924.2 | 0.16–315.9 | 386.9 | 4.0 | 25.5 | 0.0045–8.7 | 10.7 | 0.1 | 97.5 |
AHC 14-5856 (J32 fetus) Liver | SRKW | 405.2 | 0.065–92.6 | 277.3 | 1.3 | 18.2 | 0.0029–4.2 | 12.4 | 0.1 | 209.1 |
AHC 14-5856 (J32 fetus) SM | SRKW | 882.0 | 0.16–184.7 | 521.7 | 1.6 | 52.0 | 0.009–10.9 | 30.8 | 0.1 | 320.6 |
AHC 15-6931 Liver | Bigg’s | 3288.9 | 0.26–1561.4 | 785.9 | 5.4 | 126.0 | 0.01–59.8 | 30.1 | 0.2 | 146.8 |
AHC 16-1760 (L95) Liver | SRKW | 798.7 | 0.026–148.7 | 550.6 | 1.1 | 90.3 | 0.0029–16.8 | 62.2 | 0.1 | 480.8 |
AHC 16-4828 Liver | Bigg’s | 1856.5 | 0.092–837.6 | 498.8 | 3.3 | 173.8 | 0.0086–78.4 | 46.7 | 0.3 | 151.1 |
AHC 16-6517 (J34) Liver | SRKW | 986.4 | 0.067–133.8 | 709.1 | 10.2 | 42.6 | 0.0029–5.8 | 30.6 | 0.4 | 69.2 |
AHC 18-6458 Liver | Bigg’s | 3182.5 | 0.11–1631.3 | 920.2 | 3.6 | 126.0 | 0.0045–64.6 | 36.4 | 0.1 | 255.7 |
L98 (Luna: case 06/00,938) SM | SRKW | 1361.2 | 1.12–427.8 | 683.6 | 27.9 | 105.6 | 0.087–33.2 | 53.0 | 2.2 | 24.5 |
T171 AHC 13-4290 Liver | Bigg’s | 8419.7 | 0.096–2625 | 4254.4 | 25.4 | 875.6 | 0.01–273 | 442.5 | 2.6 | 167.2 |
