International Union of Pure and Applied Chemistry IUPAC, Glossary for Chemists of Terms Used in Toxicology, Prepared for publication by J.H. Duffus, NC., USA 1993. http://www.inchem.org/documents/harmproj/harmproj/ harmproj1.pdf & http://old.iupac.org/reports/1993/6509duffus/c.htm l, (IUPAC/ Tox - Amer) {107}
University of Michigan-Flint, Environment Health and Safety Department, MSDS Glossary, University of Michigan-Ann Arbor, Michigan USA 2015, MSDS Terms Glossary is from the University of Oklahoma EHS Department website 2006. http://www.umflint.edu/sites/default/files/groups/ Environment__Health_and_Safety_Department/msds_glo ssary.pdf, (MSDS - Amer) {911}