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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 95thC<strong>on</strong>venti<strong>on</strong>als (c<strong>on</strong>tinued)pH (pH units) 16 16 0% 7.34 0.283 7.34 6.90 7.70 6.98 7.00 7.10 7.35 7.63 7.70 7.70Residue N<strong>on</strong>-filterable (TSS; mg/L) 11 10 9% 9.36 8.49 6.58 2.00 26.0 2.00 2.00 4.00 6.00 12.0 24.0 25.0Temperature (C) 3 3 0% 7.67 5.39 5.57 1.50 11.5 2.35 3.20 5.75 10.0 10.8 11.2 11.4Turbidity (NTU) 4 4 0% 15.5 4.36 15.1 12.0 21.0 12.0 12.0 12.0 14.5 18.0 19.8 20.4Nutrients (µg/L)Nitrate (NO 3 ), dissolved 3 2 33% 56.7 72.3 30.4 10 140 11 12 15 20 80 116 128Nitrogen - Nitrite, dissolved (NO 2 ) 11 2 82% 2.41 0.491 2.34 1 3 1.75 2.5 2.5 2.5 2.5 2.5 2.75Phosphorus, total (stream) 10 10 0% 12.7 6 11.6 6 24 6.9 7.8 10 11 12 23.1 23.6Major I<strong>on</strong>s (mg/L)Sulfate, dissolved 15 15 0% 7.28 1.27 7.18 5.50 9.50 5.85 6.00 6.35 7.00 8.00 9.26 9.36Metals (µg/L)Aluminum, total 10 10 0% 1550 1030 1320 660 3490 692 723 1080 1170 1440 3410 3450Arsenic, total 8 4 50% 0.75 0.267 0.707 0.5 1 0.5 0.5 0.5 0.75 1 1 1Bor<strong>on</strong>, total 10 3 70% 27 25.6 16.8 4 76 4 4 8 20 30.5 68.8 72.4Chromium, total 4 4 0% 3 1.41 2.78 2 5 2 2 2 2.5 3.5 4.4 4.7Cobalt, total 10 1 90% 1.95 0.762 1.86 1.5 4 1.5 1.5 1.5 1.75 2 2.2 3.1Copper, total 1 1 0% 1 NA 1 1 1 1 1 1 1 1 1 1Ir<strong>on</strong>, total 11 11 0% 1220 710 1080 562 2610 599 635 863 960 1170 2590 2600Lead, total 1 0 100% 0.5 NA 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5Molybdenum, total 11 1 91% 1.99 0.0302 1.99 1.9 2 1.95 2 2 2 2 2 2Silver, total 4 0 100% 0.05 NA 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05Smolt Outmigrati<strong>on</strong>C<strong>on</strong>venti<strong>on</strong>alsHardness (mg/L) 12 12 0% 34.4 10.7 33.1 26.8 57.3 27.2 27.5 27.8 29.7 33.9 53.7 56.3Dissolved Oxygen (mg/L) 1 1 0% 11.2 NA 11.2 11.2 11.2 11.2 11.2 11.2 11.2 11.2 11.2 11.2pH (pH units) 10 10 0% 7.57 0.564 7.55 6.00 7.90 6.68 7.35 7.63 7.80 7.80 7.81 7.86Residue N<strong>on</strong>-filterable (TSS; mg/L) 8 8 0% 15.6 23.5 8.60 2.00 73.0 2.70 3.40 5.50 8.00 10.5 32.4 52.7Temperature (C) 3 3 0% 13.7 1.15 13.6 13.0 15.0 13.0 13.0 13.0 13.0 14.0 14.6 14.8Turbidity (NTU) 11 11 0% 17.7 15.7 12.8 3.86 47.4 5.17 6.48 7.45 11.1 23.7 42.0 44.7T-124

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