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

Guidelines for Canadian Drinking Water Quality: Guideline Technical Document – Trihalomethanes: French HTML file. From Health Canada, updated Sep 2022. View metadata, licence and the direct download on CanQuery.

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HTML

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Original download only

Publisher-reported update

2022-09-28

The maximum acceptable concentration (MAC) for trihalomethanes (THMs) in drinking water is 0.100 mg/L (100 µg/L) based on a locational running annual average of a minimum of quarterly samples taken at the point in the distribution system with the highest potential THM levels. The maximum acceptable concentration (MAC) for bromodichloromethane (BDCM) in drinking water is 0.016 mg/L (16 µg/L) monitored at the point in the distribution system with the highest potential THM levels.

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