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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 4.49. Summary <str<strong>on</strong>g>of</str<strong>on</strong>g> hazards posed to sockeye salm<strong>on</strong> exposed to surface water within the <strong>Fraser</strong> <strong>River</strong> Basin.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> All Life StagesMetals (c<strong>on</strong>tinued)Mercury, total 102000 4.00 4550 26500 102000Molybdenum, total 0.411 0.196 0.959 0.959 0.959Nickel, total 0.800 0.400 28.0 4.00 28.0Selenium, total 80.0 1.00 1.80 60.0 80.0Silver, total 757 3.10 403 403 757ChlorophenolsDichlorophenols ND ND 0.0125 0.0125 0.0125M<strong>on</strong>ochlorophenols ND ND 0.00357 0.00357 0.00357Pentachlorophenol ND ND 0.0500 0.100 0.100Tetrachlorophenols ND ND 0.0250 0.0500 0.0500Trichlorophenols ND ND 0.00139 0.00278 0.00278OtherPhenols 1.00 1.00 2.50 4.50 4.50Cyanide (WAD) 0.400 ND 0.500 0.500 0.500ND = no data; WAD = weak acid dissociable; TSS = total suspended solids.Bolded values indicate hazard quotients >1.0.T-202

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