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Document ID ca-gcdwq-2023-01-20-6 Title Guidelines for Canadian drinking water quality – Malathion: Rationale URL https://www.canada.ca/en/health-canada/services/publications/healthy-living/guidelines-canadian-drinking-water-quality-supporting-documents-malathion/rationale.html Jurisdiction /ca Subdomain(s) Drinking water, Analytical & measurement methods, Treatment process Language en Status completed Analyzed at 2026-03-18 14:59:29.312542+00:00 Relevance Establishes a MAC for malathion and discusses treatment/analytical methods.
1 Qualitative 4 Quantitative 0 Definitions

Q Qualitative Requirements (1)

Req ID Category Intent Legal Status Name Subdomain(s) Context Conditions Confidence
#Q001administrativehealthmandatoryOngoing Review and Monitoring of New Researchdrinking waterAs part of its ongoing guideline review process, Health Canada will continue to monitor new research in this area, including the outcomes of PMRA's evaluations, and recommend any change to this guideline technical document that it deems necessary.high

P Quantitative Requirements (4)

Req ID Category Intent Legal Status Name Subdomain(s) Limit Type Limit Value Context Conditions Confidence
#P001chemicalhealthguidelinemalathiondrinking waterMAC0.29 mg/Lestablished a MAC of 0.29 mg/L (290 µg/L) for malathion in drinking waterhigh
#P002chemicalhealthguidelinemalathiondrinking waterMAC290 µg/Lestablished a MAC of 0.29 mg/L (290 µg/L) for malathion in drinking waterhigh
#P003chemicalhealthguidelinemalathion (HBV)drinking waterunknown0.29 mg/Lan HBV of 0.29 mg/L (290 µg/L) based on an increase in severity of chronic nephropathy in female ratshigh
#P004chemicalhealthguidelinemalathion (HBV)drinking waterunknown290 µg/Lan HBV of 0.29 mg/L (290 µg/L) based on an increase in severity of chronic nephropathy in female ratshigh

D Definitions (0)

No definitions.