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Document ID ca-gcdwqgtd-2015-04-24-5 Title Guidelines for Canadian Drinking Water Quality: Guideline Technical Document – Selenium URL https://www.canada.ca/en/health-canada/services/publications/healthy-living/guidelines-canadian-drinking-water-quality-guideline-technical-document-selenium/guidelines-canadian-drinking-water-quality-guideline-technical-document-selenium-page-7.html Jurisdiction /ca Subdomain(s) drinking water Language en Status completed Analyzed at 2026-03-18 16:07:24.534006+00:00 Relevance Describes approved analytical methods for selenium in drinking water.

1 Qualitative 11 Quantitative 0 Definitions

Q Qualitative Requirements (1)

Req ID	Category	Intent	Legal Status	Name	Subdomain(s)	Context	Conditions	Confidence
#Q001	monitoring	unknown	mandatory	Method 200.5 Rev. 4.2 Sample Preparation	drinking water	When this method is used, sample preparation procedures, such as preliminary recoverable digestion and preconcentration prior to analysis, are required.	When using Method 200.5 Rev. 4.2 for the analysis of selenium	high

P Quantitative Requirements (11)

Req ID	Category	Intent	Legal Status	Name	Subdomain(s)	Limit Type	Limit Value	Context	Conditions	Confidence
#P001	chemical	reporting	guideline	Selenium	drinking water	unknown	1.3 µg/L	Method detection limit (MDL) for U.S. EPA Method 200.5 Rev. 4.2	Employs axially viewed inductively coupled plasma atomic emission spectrometry	high
#P002	chemical	reporting	guideline	Selenium	drinking water	unknown	7.9 µg/L	Method detection limit (MDL) for U.S. EPA Method 200.8 Rev. 5.4	Based on inductively coupled plasma mass spectrometry	high
#P003	chemical	reporting	guideline	Selenium	drinking water	unknown	0.6 µg/L	Method detection limit (MDL) for U.S. EPA Method 200.9 Rev. 2.2	Uses stabilized temperature platform graphite furnace atomic absorption	high
#P004	chemical	reporting	guideline	Selenium	drinking water	unknown	5-100 µg/L	Optimum selenium concentration range reported for standard method SM 3113 B	Analysis of selenium using electrothermal atomic absorption	high
#P005	chemical	reporting	guideline	Selenium	drinking water	unknown	2 µg/L	Estimated detection level for standard method SM 3113 B	Analysis of selenium using electrothermal atomic absorption	high
#P006	chemical	reporting	guideline	Selenium	drinking water	unknown	2-20 µg/L	Optimum selenium concentration range for standard method SM 3114 B	Manual hydride generation atomic absorption spectrometry method	high
#P007	chemical	reporting	guideline	Selenium	drinking water	unknown	2 µg/L	Method detection limit (MDL) for standard method SM 3114 B	Manual hydride generation atomic absorption spectrometry method	high
#P008	chemical	reporting	guideline	Selenium	drinking water	unknown	1-20 µg/L	Applicable range for ASTM D3859 Method A	Gaseous hydride atomic absorption spectrometry	high
#P009	chemical	reporting	guideline	Selenium	drinking water	unknown	2-100 µg/L	Reported range for ASTM D3859 Method B	Graphite furnace atomic absorption spectrometry	high
#P010	chemical	reporting	guideline	Selenium	drinking water	unknown	10 µg/L	Current practical quantitation level (PQL)	Based on the capability of laboratories to measure the concentration of selenium within reasonable limits of precision and accuracy	high
#P011	chemical	reporting	guidance	Se(IV) and Se(VI)	drinking water	unknown	0.01 µg/L	Method detection limit (MDL) each for Se(IV) and for Se(VI) in tap water using a recent experimental method	Using microwave-induced nitrogen plasma mass spectrometry	high

D Definitions (0)

No definitions.