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Graph 5
Excursion of aluminum, lead and pH parameters for the Newfoundland and Labrador dataset

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Graph 5a
Aluminum parameter

Graph 5a Aluminum parameter

Note:
1. In the aluminum parameter samples, 89.3% have an excursion > 0, of which close to 60% have a value ≤ 3.

Graph 5b
Lead parameter

Graph 5b Lead parameter

Note:
2. In the lead parameter samples, 72.5% have an excursion > 0, of which more than 65% have a value ≤ 3.

Graph 5c
pH parameter

Graph 5c pH parameter

Note:
3. In the pH parameter samples, 42.3% have an excursion > 0, of which close to 65% have a value ≤ 0.1.

Chart 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.