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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 4.6. Summary <str<strong>on</strong>g>of</str<strong>on</strong>g> the available surface-water chemistry data for the Cultus Lake Area <str<strong>on</strong>g>of</str<strong>on</strong>g> Interest.Life Stage/Class/AnalytennDetect% N<strong>on</strong>-DetectMeanSDGeo-MeanMinMaxPercentile Distributi<strong>on</strong>5th 10th 25th 50th 75th 90th 95thMetals (µg/L; c<strong>on</strong>tinued)Selenium, total 20 19 5% 0.171 0.0465 0.159 0.025 0.24 0.0963 0.136 0.168 0.18 0.19 0.221 0.231Silver, total 20 12 40% 0.00125 0.00079 0.00103 0.0005 0.003 0.0005 0.0005 0.0005 0.001 0.002 0.00205 0.00253Juvenile RearingC<strong>on</strong>venti<strong>on</strong>alsHardness (mg/L) 11 11 0% 73.8 2.02 73.8 69.5 76.9 70.5 71.5 72.9 74.6 74.9 75.1 76.0Dissolved Oxygen (mg/L) 61 61 0% 9.48 2.42 9.03 2.20 13.3 4.20 5.20 8.80 10.1 10.7 12.1 12.4pH (pH units) 40 40 0% 8.03 0.179 8.02 7.36 8.30 7.70 7.80 7.90 8.10 8.10 8.20 8.20Residue N<strong>on</strong>-filterable(TSS; mg/L) 30 28 7% 2.27 3.77 1.50 0.500 21.0 0.725 1.00 1.00 1.05 2.00 2.00 5.30Temperature (C) 64 64 0% 14.3 5.61 13.0 3.10 24.0 4.95 6.00 9.78 16.0 18.9 20.9 21.9Turbidity (NTU) 42 42 0% 1.08 2.44 0.629 0.200 16.0 0.281 0.300 0.400 0.550 0.800 1.28 1.59Nutrients (µg/L )Nitrate (NO 3 ), dissolved 12 3 75% 20.8 20.7 15.1 10 70 10 10 10 10 17.5 49 59Nitrogen - Nitrite, dissolved (NO 2 ) 26 0 100% 2.5 NA 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5Nitrogen Amm<strong>on</strong>ia, dissolved 20 16 20% 6.9 3.56 6.04 2.5 17 2.5 2.5 5 6.5 8.25 10.1 11.3Phosphorus, total (lake) 69 66 4% 6.26 4.19 5.37 1 25 3 3 4 6 7 9.2 12.2Major I<strong>on</strong>s (mg/L)Chloride, dissolved 25 25 0% 1.23 0.536 1.16 0.700 3.50 0.820 0.900 1.00 1.10 1.20 1.66 1.78Sulfate, dissolved 25 25 0% 21.8 1.40 21.7 17.0 24.6 19.7 20.7 21.6 21.8 22.3 22.9 23.6Metals (µg/L)Copper, total 17 8 53% 1.62 2.58 0.939 0.5 11 0.5 0.5 0.5 0.5 1 2.8 5.4Ir<strong>on</strong>, total 14 8 43% 164 274 97.4 50 1100 50 50 50 100 100 200 515Lead, total 6 1 83% 0.583 0.204 0.561 0.5 1 0.5 0.5 0.5 0.5 0.5 0.75 0.875Manganese, total 3 0 100% 6.67 2.89 6.3 5 10 5 5 5 5 7.5 9 9.5Nickel, total 5 1 80% 6 2.24 5.74 5 10 5 5 5 5 5 8 9Other (µg/L)Phenols 14 2 86% 1.36 0.929 1.19 1 4 1 1 1 1 1 2.4 3.35T-105

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