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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 4.11. Summary <str<strong>on</strong>g>of</str<strong>on</strong>g> the available surface-water chemistry data for the Chilko <strong>River</strong> Area <str<strong>on</strong>g>of</str<strong>on</strong>g> Interest.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) 20 20 0% 30.7 6.63 30.2 26.8 55.5 26.8 27.0 27.6 28.1 29.9 37.2 38.5Dissolved Oxygen (mg/L) 2 2 0% 10.7 0.707 10.7 10.2 11.2 10.3 10.3 10.5 10.7 11.0 11.1 11.2pH (pH units) 21 21 0% 7.50 0.506 7.48 6.00 7.90 6.20 7.00 7.50 7.70 7.80 7.80 7.80Residue N<strong>on</strong>-filterable (TSS; mg/L) 14 14 0% 10.5 18.5 5.17 1.00 73.0 1.65 2.00 2.25 4.00 9.00 14.1 35.3Temperature (C) 7 7 0% 13.0 1.38 12.9 10.5 15.0 11.1 11.7 12.8 13.0 13.5 14.4 14.7Turbidity (NTU) 19 19 0% 13.7 13.0 9.80 1.10 47.4 5.15 5.86 6.38 9.30 11.8 36.4 42.5Nutrients (µg/L)Nitrogen - Nitrite, dissolved (NO 2 ) 2 0 100% 1.75 1.06 1.58 1 2.5 1.08 1.15 1.38 1.75 2.13 2.35 2.43Phosphorus, total (stream) 25 22 12% 27.2 34.9 14.2 1 152 1 2.2 12 16 22 65.8 95.4Major I<strong>on</strong>s (mg/L)Chloride, dissolved 2 1 50% 0.425 0.247 0.387 0.250 0.600 0.268 0.285 0.338 0.425 0.513 0.565 0.583Sulfate, dissolved 22 21 5% 6.38 3.26 5.47 0.250 19.5 4.53 5.01 5.38 6.05 6.60 6.99 7.48Metals (µg/L)Aluminum, total 12 12 0% 415 350 259 2.6 1460 152 276 296 345 382 507 942Arsenic, total 15 14 7% 0.41 0.191 0.357 0.05 0.8 0.225 0.3 0.3 0.4 0.45 0.68 0.8Bor<strong>on</strong>, total 2 2 0% 13.5 0.707 13.5 13 14 13.1 13.1 13.3 13.5 13.8 13.9 14Cadmium, total 15 5 67% 0.00933 0.00942 0.00724 0.005 0.04 0.005 0.005 0.005 0.005 0.01 0.016 0.026Chromium, total 15 4 73% 0.22 0.224 0.155 0.1 0.7 0.1 0.1 0.1 0.1 0.2 0.62 0.7Cobalt, total 15 13 13% 0.297 0.405 0.113 0.0025 1.28 0.0025 0.0155 0.087 0.184 0.204 0.902 1.26Copper, total 17 17 0% 2.8 3.1 1.93 0.87 11 0.87 0.87 1.28 1.48 2 6.78 10.2Ir<strong>on</strong>, total 2 2 0% 561 290 522 356 766 377 397 459 561 664 725 746Lead, total 17 15 12% 0.879 1.93 0.197 0.005 6 0.049 0.066 0.09 0.13 0.5 2.73 6Manganese, total 16 15 6% 17.3 18.9 12.6 5 66.2 6.63 7.29 8.81 10.5 13.8 41.1 64.3Molybdenum, total 15 14 7% 0.93 0.286 0.771 0.025 1.36 0.47 0.752 0.965 0.98 1.03 1.05 1.14Nickel, total 14 12 14% 0.628 0.887 0.296 0.025 2.7 0.025 0.0685 0.223 0.295 0.448 2.08 2.68Selenium, total 15 1 93% 0.107 0.0258 0.105 0.1 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.13Silver, total 15 0 100% 0.01 2.11E-10 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01T-122

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