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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 4.15. Summary <str<strong>on</strong>g>of</str<strong>on</strong>g> the available surface-water chemistry data for reference areas within the <strong>Fraser</strong> <strong>River</strong> Basin.Life Stage/Class/AnalytennDetect% N<strong>on</strong>-DetectMeanSDGeometricMeanMinMaxPercentile Distributi<strong>on</strong>5th 10th 25th 50th 75th 90th 95thAdult Upstream Migrati<strong>on</strong>C<strong>on</strong>venti<strong>on</strong>alsHardness (mg/L) 200 200 0% 60.1 6.44 59.7 19.4 80.2 51.5 53.5 56.2 60 63.7 68.5 70.2Dissolved Oxygen (mg/L) 38 38 0% 9.56 0.498 9.54 8.4 11 8.79 8.87 9.2 9.65 9.9 10 10pH (pH units) 193 193 0% 7.89 0.223 7.88 6.9 8.2 7.4 7.7 7.87 7.94 8 8.05 8.1Residue N<strong>on</strong>-filterable (TSS; mg/L) 76 33 57% 6.21 3.02 5.75 2.5 21 5 5 5 5 5 10 11.5Temperature (C) 198 198 0% 9.95 2.43 9.6 2 16 6 7 8.5 10 11.5 13 14Turbidity (NTU) 203 203 0% 2.81 2.69 2.09 0.05 22.1 0.555 0.892 1.4 2.17 3.34 4.84 6.49Nutrients (µg/L)Nitrate (NO 3 ), dissolved 57 57 0% 43 21.7 37.2 7 85 14.6 19.6 26 37 60 76 82.2Nitrogen - Nitrite, dissolved (NO 2 ) 57 33 42% 3.75 3.11 2.85 1 22 1 1 1 5 5 5 5Phosphorus, total (stream) 111 105 5% 6.93 10.4 4.98 1 103 1.15 2 3.8 5 7 11 14Major I<strong>on</strong>s (mg/L)Chloride, dissolved 203 156 23% 0.426 1.2 0.312 0.1 17 0.2 0.2 0.25 0.3 0.4 0.5 0.6Fluoride, total 34 34 0% 0.0297 0.019 0.0256 0.01 0.1 0.01 0.01 0.02 0.03 0.03 0.04 0.064Sulfate, dissolved 142 142 0% 12.2 2.23 12 7.6 19 8.91 9.4 10.6 12.1 14 15 16Metals (µg/L)Aluminum, total 133 133 0% 152 71.8 139 43.3 522 78.2 89.6 111 135 167 232 290Arsenic, total 119 99 17% 0.153 0.261 NA 0.02 2.2 0.05 0.05 0.08 0.1 0.14 0.2 0.21Bor<strong>on</strong>, total 37 26 30% 0.688 0.483 0.382 0.05 1.4 0.05 0.05 0.05 0.9 1.1 1.2 1.3Cadmium, total 76 72 5% 0.122 0.467 NA 5E-04 4 0.000875 0.0025 0.004 0.1 0.1 0.1 0.2Chromium, total 146 123 16% 0.538 1.52 NA 0.045 16.9 0.0723 0.086 0.1 0.2 0.4 1.15 1.85Cobalt, total 146 146 0% 0.377 0.178 NA 0.1 1.2 0.184 0.2 0.3 0.367 0.433 0.6 0.7Copper, total 166 164 1% 2.82 9.35 NA 0.1 108 0.5 0.5 0.7 0.815 1.3 3.9 9.6Ir<strong>on</strong>, total 174 174 0% 153 114 126 36 758 54.7 63.4 87 118 172 276 401Lead, total 166 105 37% 0.317 0.386 NA 0.029 2.8 0.0773 0.1 0.1 0.2 0.388 0.7 0.9Manganese, total 166 159 4% 12 4.82 NA 1 31.6 5.55 6.7 8.8 11.2 14.1 17.3 20.4Mercury, total 28 28 0% 18.1 12 15.3 6 50 7.05 9.7 10 18 20 28.5 48.6Molybdenum, total 146 93 36% 0.076 0.0487 NA 0.034 0.5 0.047 0.05 0.05 0.0515 0.1 0.1 0.1Nickel, total 138 138 0% 2.47 0.814 NA 0.7 5.6 1.39 1.67 1.9 2.4 2.85 3.48 3.75T-136

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