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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 4.53. Identificati<strong>on</strong> <str<strong>on</strong>g>of</str<strong>on</strong>g> c<strong>on</strong>taminants <str<strong>on</strong>g>of</str<strong>on</strong>g> c<strong>on</strong>cern in sediments for the various areas <str<strong>on</strong>g>of</str<strong>on</strong>g> interest in the <strong>Fraser</strong> <strong>River</strong> Basin (hazard quotients >1.0 wereused to identify c<strong>on</strong>taminants that pose potential hazards to sockeye salm<strong>on</strong>; shown in bold).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>cernArea <str<strong>on</strong>g>of</str<strong>on</strong>g> InterestLower <strong>Fraser</strong> <strong>River</strong> Harris<strong>on</strong>/Lillooet Lower Thomps<strong>on</strong> South Thomps<strong>on</strong><strong>Fraser</strong> <strong>River</strong> BasinMetals (mg/kg)Arsenic 1.02 ND ND ND 1.02Cadmium 2.02 ND ND ND 2.02Chromium 1.42 0.60 ND 0.94 1.42Copper 1.65 1.99 ND 1.30 1.99Ir<strong>on</strong> 2.21 1.54 ND 1.80 2.21Lead 1.03 0.87 ND 0.14 1.03Mercury 0.50 0.14 0.33 0.39 0.50Nickel 2.51 1.01 ND 2.69 2.69Selenium 0.30 ND ND ND 0.30Silver 0.44 ND ND ND 0.44Zinc 0.98 0.81 ND 0.90 0.98Pesticides (mg/kg)Aldrin 0.38 ND ND ND 0.38Chlordane (total) 0.31 ND ND ND 0.31Dieldrin 0.26 ND ND ND 0.26Endosulfan A 0.17 ND ND ND 0.17Endosulfan B 0.04 ND ND ND 0.04Endrin 0.11 ND ND ND 0.11Heptachlor epoxide 0.10 ND ND ND 0.10Lindane 0.21 ND ND ND 0.21Methoxychlor 0.13 ND ND ND 0.13Sum DDD 0.10 ND ND ND 0.10Sum DDE 0.16 ND ND ND 0.16Sum DDT 0.72 ND ND ND 0.72T-208

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