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Potential Effects of Contaminants on Fraser River Sockeye Salmon

Potential Effects of Contaminants on Fraser River Sockeye Salmon

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Table 4.28. 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 Quesnel <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 ND 0 ND ND 0 0 0 0Residue N<strong>on</strong>-filterable (TSS) ND 5.8 ND ND 0.08 6.64 0.08 18.2Turbidity ND 19.3 ND ND ND 18 0.45 26NutrientsAmm<strong>on</strong>ia, dissolved ND 0.111 ND ND ND 0.026 0.0206 0.026Nitrate (NO 3 ), dissolved ND 0.0514 ND 0.0517 ND ND 0.031 NDNitrogen-Nitrite, dissolved (NO 2 ) ND 0.117 ND 0.15 0.0417 ND 0.0417 NDPhosphorus, total (lake) ND ND ND 5 ND ND ND NDPhosphorus, total (stream) ND 27.8 ND ND 0.6 ND 2 NDMajor I<strong>on</strong>sChloride, dissolved ND 0.00652 ND ND ND 0.00739 0.00652 0.0113Sulfate, dissolved ND ND ND ND ND 0.44 0.067 3.2MetalsAluminum, total ND 20.6 ND ND ND 9.93 0.2 67.8Arsenic, total ND 0.176 ND ND ND 1.18 ND 0.2Bor<strong>on</strong>, total ND 0.00542 ND ND ND 0.667 ND 1.85Cadmium, total ND 4.76 ND ND ND 25.3 ND 23.5Chromium, total ND 4.63 ND ND ND 1.4 ND 8Cobalt, total ND 0.42 ND ND ND 0.5 ND 0.375Copper, total ND 1.13 ND ND ND 4.5 0.25 12Ir<strong>on</strong>, total ND 9.63 ND ND ND 4.73 0.167 37.7Lead, total ND 0.214 ND ND ND 0.5 0.5 0.5Manganese, total ND 0.0405 ND ND ND 0.0501 0.0123 0.322T-161

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