The Science Approach Document for the Threshold of Toxicological Concern (TTC)-based Approach for Certain Substances was released and the related Notice was published for a 60-day public comment period ending on November 30, 2016.
English: www.chemicalsubstanceschimiques.gc.ca/plan/approach-approche/sciad-das-eng.php
French: http://www.chemicalsubstanceschimiques.gc.ca/plan/approach-approche/sciad-das-fra.php
