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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 4.27. 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 Chilko <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 0 0 1.02 0 1.08 0 1.08 1.05Residue N<strong>on</strong>-filterable (TSS) 0.08 1.04 0.08 1.04 ND 2.92 0.48 2.92Turbidity 10.5 ND 10.5 ND 21 23.7 21 23.7NutrientsNitrate (NO 3 ), dissolved 0.0483 ND 0.0483 ND ND ND ND NDNitrogen-Nitrite, dissolved (NO 2 ) 0.05 0.0417 0.05 0.0417 ND ND 0.0417 0.0167Phosphorus, total (stream) 2.4 4.8 2.4 4.8 30.4 11.6 30.4 8.6Major I<strong>on</strong>sChloride, dissolved ND ND ND ND ND ND 0.00261 0.00109Sulfate, dissolved 0.078 0.095 0.078 0.095 0.075 0.066 0.195 0.069MetalsAluminum, total ND 34.9 ND 34.9 ND 14.6 ND 14.6Arsenic, total ND 0.2 ND 0.2 ND 0.16 ND 0.16Bor<strong>on</strong>, total ND 0.0633 ND 0.0633 ND 0.0117 ND 0.0117Cadmium, total ND ND ND ND ND 2.35 ND 2.35Chromium, total ND 5 ND 5 ND 0.7 ND 0.7Cobalt, total ND 1 ND 1 ND 0.32 ND 0.32Copper, total 0.5 ND 0.5 ND 5.5 2.32 5.5 2.32Ir<strong>on</strong>, total 2.67 8.7 2.67 8.7 ND 2.55 ND 2.55Lead, total 0.5 ND 0.5 ND 6 0.55 6 0.55Manganese, total ND ND ND ND 0.00589 0.0911 0.0136 0.0911Molybdenum, total 0.026 0.0274 0.026 0.0274 ND 0.0186 ND 0.0186Nickel, total ND ND ND ND ND 0.108 ND 0.108T-159

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