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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 5.11. Hazard quotients <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 surface water for smolt outmigrati<strong>on</strong> routes in the <strong>Fraser</strong> <strong>River</strong> Basin.Area <str<strong>on</strong>g>of</str<strong>on</strong>g> InterestC<strong>on</strong>taminant <str<strong>on</strong>g>of</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>Cultus LakeKakawa LakeLower Thomps<strong>on</strong> R.North Thomps<strong>on</strong> R.South Thomps<strong>on</strong> R.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> BasinC<strong>on</strong>venti<strong>on</strong>als (mg/L)Residue: N<strong>on</strong>-filterable (TSS) 18.2 15.6 1.45 2.17 0.518 8.52 3.11 1.01 2.11 4.63 2.62 ND 0.400 9.56NutrientsNitrogen - Nitrite, dissolved (NO 2 ) 0.154 0.0833 0.0417 1.00 0.0417 0.100 0.0533 0.0417 ND 0.0417 0.0833 ND 0.0833 0.283Major I<strong>on</strong>sChloride, dissolved 0.00324 0.00315 ND 0.0284 0.00111 0.00554 0.00187 0.00250 ND 0.000988 0.00227 ND 0.00153 0.00528Sulfate, dissolved 0.0142 0.0163 ND 0.0444 0.0112 0.0347 0.0161 0.0166 0.0145 0.0576 0.0106 ND 0.0356 0.0340MetalsAluminum, total 70.9 76.2 11.4 3.20 ND 23.3 15.7 7.18 11.3 6.60 15.9 ND 1.63 57.1Arsenic, total 0.0349 0.0509 ND 0.0238 ND 0.600 0.405 0.405 0.0145 0.0609 0.0167 ND 0.00427 0.364Cadmium, total 0.00116 0.000840 ND 0.00000417 ND ND 0.00790 0.00671 0.000187 0.000217 0.00429 ND 0.000349 0.00294Chromium, total 11.7 17.1 ND 9.86 ND 11.4 11.8 20.3 0.700 1.20 5.07 ND 2.27 12.0Cobalt, total 0.111 0.135 ND 0.0583 ND 0.0723 0.251 0.243 0.0270 0.106 0.0255 ND 0.00857 0.111Copper, total 4.01 4.38 ND 0.169 0.518 3.15 1.38 2.87 1.91 1.05 3.93 ND 1.91 3.80Ir<strong>on</strong>, total 32.4 45.0 4.99 7.85 1.60 10.6 7.42 3.09 2.55 2.97 7.57 ND 0.677 31.6Lead, total 0.833 0.896 ND 0.0142 0.267 0.267 8.33 ND 0.833 0.0694 0.236 ND 0.143 0.822Mercury, total 38.5 73.1 ND ND ND 0.0481 ND 0.0481 ND 0.0481 54.8 ND 39.3 57.7Nickel, total 0.729 0.812 ND 0.596 0.370 ND 0.400 1.66 0.108 5.73 0.183 ND 0.128 0.691Selenium, total 0.400 0.300 ND 0.200 ND 0.100 0.100 ND 0.160 1.000 0.200 ND 0.200 0.300Silver, total 1.00 1.00 ND 0.0425 ND ND ND ND 0.100 0.500 1.60 ND 1.00 1.00OtherPhenols ND 1.23 ND ND ND 0.257 ND 0.143 ND ND 0.714 ND ND 0.986ND = no data; R. = river; Bolded values indicate hazard quotients < 1.0.T-223

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