According to the Government of Canada website, Federal Environmental Quality Guidelines (FEQGs) are recommendations in quantitative or qualitative terms to support federal environmental quality monitoring. They are based on the toxicological effects, that is, the hazard, of specific chemical substances or groups of substances.
The use of FEQGs is voluntary unless prescribed by regulation or binding agreements.
The guidelines propose the following targets:
- lead – freshwater guideline value of 0.4 µg/
- iron – freshwater guideline value of 604 µg/L
- quinoline – water and groundwater guideline values of 130 µg/L
- strontium – freshwater guideline value of 1.7 µg/L
For more information, visit the Government of Canada website.