Guidelines for Canadian Drinking Water Quality: Guideline Technical Document – Nitrate and Nitrite (French, HTML)

Guidelines for Canadian Drinking Water Quality: Guideline Technical Document – Nitrate and Nitrite: French HTML file. From Health Canada, updated Nov 2021. View metadata, licence and the direct download on CanQuery.

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HTML

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Publisher-reported update

2021-11-30

Nitrate and nitrite are widespread in the environment. They are naturally produced by the oxidation of nitrogen by microorganisms and, to a lesser extent, by lightning. The maximum acceptable concentration (MAC) for nitrate in drinking water is 45 mg/L. This is equivalent to 10 mg/L measured as nitrate-nitrogen. The MAC for nitrite in drinking water is 3 mg/L. This is equivalent to 1 mg/L measured as nitrite-nitrogen.

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