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Document ID ca-gcdwqgtd-2008-01-07-21 Title Guidelines for Canadian Drinking Water Quality: Guideline Technical Document – Formaldehyde URL https://www.canada.ca/en/health-canada/services/publications/healthy-living/guidelines-canadian-drinking-water-quality-guideline-technical-document-formaldehyde/page-7-guidelines-canadian-drinking-water-quality-guideline-technical-document-formaldehyde.html Jurisdiction /ca Subdomain(s) Drinking water Language en Status completed Analyzed at 2026-03-18 13:48:17.956466+00:00 Relevance Technical document providing health-based guidelines for drinking water quality.

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Req ID Category Intent Legal Status Name Subdomain(s) Limit Type Limit Value Context Conditions Confidence
#P001chemicalhealthguidelineFormaldehydedrinking waterunknown0.35 mg/LA health-based guideline value of 0.35 mg/L (350 µg/L) for formaldehyde in drinking water can thus be derived. However, because this concentration is more than 25-fold higher than concentrations normally found in water supplies (1.2-13 µg/L), it is not considered necessary to establish a maximum acceptable concentration (MAC) for formaldehyde in drinking water.high

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