1. 2017 http://www.ec.gc.ca/lcpe-cepa/default.asp?lang=En&n=5f213fa8-1
2. Gauthier J Gosselin A Eggleton M. 2013 10.01051/e3sconf/20130130003
3. 2011 https://www.ec.gc.ca/ese-ees/default.asp?lang=En&n=8E18277B-1
4. 2007 http://www.icmm.com/en-gb/publications/metals-environmental-risk-assessment-guidance-merag-
5. 2015