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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 4.22. 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 Cultus Lake 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 ND 0 ND ND 0 0 0Residue N<strong>on</strong>-filterable (TSS) 0.84 ND 0.84 ND ND 2.32 ND 2.04Turbidity 8 0.325 8 0.325 ND 16.8 ND 90NutrientsAmm<strong>on</strong>ia, dissolved 0.0409 ND 0.0409 ND ND ND ND 0.0515Nitrate (NO 3 ), dissolved 0.0241 ND 0.0241 ND ND 1.36 ND 1.45Nitrogen-Nitrite, dissolved (NO 2 ) 0.0417 ND 0.0417 ND ND 3.95 ND 3.95Phosphorus, total (lake) 1.67 5 3.33 5 ND ND ND NDPhosphorus, total (stream) ND ND ND ND ND 63.2 ND 38Major I<strong>on</strong>sChloride, dissolved 0.0152 ND 0.0152 ND ND 0.0735 ND 0.0783Sulfate, dissolved 0.246 ND 0.246 ND ND 0.24 ND 0.3MetalsAluminum, total ND ND ND ND ND 3.63 ND 2.5Arsenic, total ND ND ND ND ND 0.264 ND 0.256Bor<strong>on</strong>, total ND ND ND ND ND 0.0382 ND 0.0717Cadmium, total ND ND ND ND ND 0.706 ND 0.647Chromium, total ND ND ND ND ND 12.2 ND 24Cobalt, total ND ND ND ND ND 0.835 ND 0.375Copper, total 5.5 ND 5.5 ND ND 0.693 ND 0.4Ir<strong>on</strong>, total 3.67 ND 3.67 ND ND 8.83 ND 5.53Lead, total 0.5 ND 0.5 ND ND 0.0528 ND 0.114Manganese, total 0.0106 ND 0.0106 ND ND 0.127 ND 0.0787T-150

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