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

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Publisher-reported update

2022-09-27

Based on this review, the drinking water guideline for nitrate is a maximum acceptable concentration of 45 mg/L (equivalent to 10 mg/L nitrate-nitrogen); the drinking water guideline for nitrite is a maximum acceptable concentration of 3 mg/L (equivalent to 1 mg/L nitrite-nitrogen).

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