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Table 3
Descriptive statistics on parameters for the Ontario dataset
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Units |
Effective |
Mean |
Median |
Standard deviation |
|
|---|---|---|---|---|---|
| Ammonia | mg/L | 6,451 |
0.003 |
0.001 |
0.011 |
| Cadmium | µg/L | 6,367 |
0.162 |
0.047 |
0.385 |
| Chloride | mg/L | 6,383 |
42.628 |
20.800 |
104.316 |
| Chromium | µg/L | 6,366 |
1.829 |
0.278 |
80.339 |
| Copper | µg/L | 6,367 |
2.307 |
1.100 |
32.209 |
| Nickel | µg/L | 6,367 |
1.004 |
0.664 |
3.042 |
| Nitrate | mg/L | 6,452 |
1.651 |
0.484 |
2.621 |
| Nitrite | mg/L | 6,452 |
0.030 |
0.010 |
0.153 |
| pH | pH | 6,498 |
8.174 |
8.210 |
0.250 |
| Phosphorus | mg/L | 6,462 |
0.062 |
0.031 |
0.107 |
| Lead | µg/L | 6,367 |
2.941 |
0.292 |
15.744 |
| Suspended solids | mg/L | 6,448 |
22.800 |
6.500 |
80.250 |
| Temperature | °C | 6,498 |
13.345 |
14.013 |
7.684 |
| Zinc | µg/L | 6,367 |
6.222 |
3.030 |
25.185 |
| Data source: Data come from federal, provincial and joint water quality surveillance programs. Table source: Statistics Canada, 2007, Environment Accounts and Statistics Technical Paper Series, volume 2007, number 3, Behaviour Study on the Water Quality Index of the Canadian Council of Ministers of the Environment, catalogue number 16-001-MWE. |
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