Table 3. Contaminant levels and p values of the fish species included in the statistical analysis.
| Contaminant | Sockeye Salmon, median (range) | Pacific Cod, median (range) | Rock Sole, median (range) | Flathead Sole, median (range) | Dolly Varden, median (range) | Great Sculpin, median (range) | Rock Greenling, median (range) | P1 |
| Total PCBs | 135 (5.8–301) | 124 (85–776) | 285 (96–510) | 158 (32–470) | 113 (50–245) | 151 (54–691) | 104 (10–222) | 0.15 |
| Total PCBs, lipid adjusted | 3246 (234–8131) | 40201 (21122–168081) | 68536 (16611–96759) | 42268 (14514–211555) | 5765 (933–16581) | 31134 (6833–235078) | 22534 (1933–59812) | 0.0001a |
| HCB | 2.1 (0.21–11) | 0.72 (0.28–1.2) | 0.38 (0.21–0.66) | 0.19 (0.07–0.44) | 0.77 (0.49–1.9) | 0.92 (0.27–1.7) | 0.59 (0.22–0.86) | 0.0001a |
| DDE+85 | 6.9 (0–56) | 2.6 (1.2–7.3) | 2.7 (1.6–6.8) | 1.4 (0.26–6.1) | 1.1 (0.74–8.0) | 3.1 (0–6.3) | 1.8 (0–3.3) | 0.13 |
| Mirex | 0.34 (0.02–1.9) | 0.25 (0.08–0.53) | 0.68 (0.35–1.0) | 0.21 (0–0.55) | 0.19 (0.05–0.25) | 0.24 (0–0.69) | 0.14 (0–0.25) | 0.002a |
Concentrations are in ng/g (ppb), wet weight.
Significant differences2 were found between the following species for each of the contaminants below.
Total PCBs, lipid adjusted.
Rock sole and sockeye salmon (p = 0.004).
Flathead sole and sockeye salmon (p<0.002).
Great sculpin and sockeye salmon (p<0.002).
Pacific cod and sockeye salmon (p = 0.01).
Rock sole and dolly varden (p = 0.02).
Flathead sole and dolly varden (p = 0.01).
Pacific cod and dolly varden (p = 0.03).
HCB.
Sockeye salmon and flathead sole (p = 0.002).
Dolly varden and flathead sole (p = 0.004).
Great sculpin and flathead sole (p = 0.004).
Pacific cod and flathead sole (p = 0.03).
Mirex.
Rock sole and flathead sole (p = 0.03).
Rock sole and dolly varden (p = 0.02).
Rock sole and great sculpin (p = 0.04).
Rock sole and rock greenling (p = 0.04).
Kruskal-Wallis test.
Wilcoxon rank-sum test.