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Potential Effects of Contaminants on Fraser River Sockeye Salmon

Potential Effects of Contaminants on Fraser River Sockeye Salmon

Potential Effects of Contaminants on Fraser River Sockeye Salmon

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Table 4.20. Evaluati<strong>on</strong> <str<strong>on</strong>g>of</str<strong>on</strong>g> potential hazards in surface water posed to sockeye salm<strong>on</strong> exposed to c<strong>on</strong>taminants within the Upper <strong>Fraser</strong> <strong>River</strong> Area <str<strong>on</strong>g>of</str<strong>on</strong>g>Interest (hazard quotients >1.0 were used to identify c<strong>on</strong>taminants that pose potential hazards to sockeye salm<strong>on</strong>).Chemical <str<strong>on</strong>g>of</str<strong>on</strong>g> <str<strong>on</strong>g>Potential</str<strong>on</strong>g> C<strong>on</strong>cernMaximum Hazard QuotientSpawning & Incubati<strong>on</strong> Juvenile Rearing Smolt Outmigrati<strong>on</strong> Adult Upstream Migrati<strong>on</strong>Pre-1990 Post-1990 Pre-1990 Post-1990 Pre-1990 Post-1990 Pre-1990 Post-1990C<strong>on</strong>venti<strong>on</strong>alspH 1 ND ND ND ND 0 0 1.12 0Residue N<strong>on</strong>-filterable (TSS) ND ND ND ND 26.4 19.8 26.4 12.8Turbidity ND ND ND ND 80 125 80 178NutrientsAmm<strong>on</strong>ia, dissolved ND ND ND ND 0.0319 0.0121 0.0384 0.0188Nitrate (NO 3 ), dissolved ND ND ND ND 0.0793 0.0876 0.0414 0.0407Nitrogen-Nitrite, dissolved (NO 2 ) ND ND ND ND 0.0417 0.1 0.0417 0.15Phosphorus, total (stream) ND ND ND ND 228 158 228 98.2Major I<strong>on</strong>sChloride, dissolved ND ND ND ND 0.0478 0.0422 0.0478 2.59Fluoride, total ND ND ND ND ND 0.333 ND 0.233Sulfate, dissolved ND ND ND ND 0.087 0.087 0.145 0.121MetalsAluminum, total ND ND ND ND 75 127 77 114Arsenic, total ND ND ND ND 1.34 0.562 1.34 0.562Bor<strong>on</strong>, total ND ND ND ND ND 0.0025 ND 0.00367Cadmium, total ND ND ND ND 64.7 112 58.8 159Chromium, total ND ND ND ND 30 26.1 15 19.1Cobalt, total ND ND ND ND 1.23 2.43 1.08 2.6Copper, total ND ND ND ND 53.8 13.6 59 12.2Ir<strong>on</strong>, total ND ND ND ND 147 62.3 147 100Lead, total ND ND ND ND 6.3 9.3 6.3 8.1T-147

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