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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 4.47. Summary <str<strong>on</strong>g>of</str<strong>on</strong>g> hazards posed to sockeye salm<strong>on</strong> exposed to surface water during the smolt outmigrati<strong>on</strong> life stage within the <strong>Fraser</strong> <strong>River</strong> Basin(maximum hazard quotients are reported for each chemical <str<strong>on</strong>g>of</str<strong>on</strong>g> potential c<strong>on</strong>cern).Area <str<strong>on</strong>g>of</str<strong>on</strong>g> InterestChemical <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>cernLower <strong>Fraser</strong> <strong>River</strong>Upper <strong>Fraser</strong> <strong>River</strong>Pitt <strong>River</strong>Harris<strong>on</strong> <strong>River</strong>Cultus LakeKakawa LakeNahatlatchSet<strong>on</strong>-PortageLower Thomps<strong>on</strong> <strong>River</strong>North Thomps<strong>on</strong> <strong>River</strong>South Thomps<strong>on</strong> <strong>River</strong>Chilko <strong>River</strong>Quesnel <strong>River</strong>Nechako <strong>River</strong>Bowr<strong>on</strong> <strong>River</strong>Reference<strong>Fraser</strong> <strong>River</strong> BasinOtherCyanide (WAD) ND ND ND ND ND ND ND ND ND ND ND ND 0.500 ND ND ND 0.500Phenols ND 2.50 ND ND ND ND ND ND 0.500 ND 0.250 ND ND 1.50 ND ND 2.50ND = no data; WAD = weak acid dissociable; TSS = total suspended solids.1 For pH, a reported maximum hazard quotient <str<strong>on</strong>g>of</str<strong>on</strong>g> zero indicates that no measurements were outside the TSV range (i.e., all pH measurements were between 6.5 and 9.0).Bolded values indicate hazard quotients >1.0.T-197

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