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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 4.31. 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 in the reference areas within the <strong>Fraser</strong><strong>River</strong> Basin (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 0 0Residue N<strong>on</strong>-filterable (TSS) ND ND ND ND 0.2 0.4 0.84 0.52Turbidity ND ND ND ND 2 3.15 4.25 11.1NutrientsNitrate (NO 3 ), dissolved ND ND ND ND ND 0.0324 ND 0.0293Nitrogen-Nitrite, dissolved (NO 2 ) ND ND ND ND ND 0.367 ND 0.367Phosphorus, total (stream) ND ND ND ND 3.8 4 5.2 20.6Major I<strong>on</strong>sChloride, dissolved ND ND ND ND 0.00217 0.0739 0.00174 0.0739Fluoride, total ND ND ND ND ND 0.267 ND 0.333Sulfate, dissolved ND ND ND ND 0.133 0.19 0.122 0.19MetalsAluminum, total ND ND ND ND 0.35 2.18 1.81 5.22Arsenic, total ND ND ND ND 0.22 0.04 0.34 0.44Bor<strong>on</strong>, total ND ND ND ND ND 0.00125 ND 0.00117Cadmium, total ND ND ND ND 64.7 5.88 235 11.8Chromium, total ND ND ND ND 2.6 8.8 5.2 16.9Cobalt, total ND ND ND ND 0.1 0.15 0.15 0.3Copper, total ND ND ND ND 60.8 4.95 54 4.95Ir<strong>on</strong>, total ND ND ND ND 2.05 0.893 2.07 2.53Lead, total ND ND ND ND 1.1 0.4 2.8 0.8Manganese, total ND ND ND ND 0.0164 0.0197 0.0182 0.036Mercury, total ND ND ND ND 1000 1050 2500 2300T-166

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