"The concept of acceptable risk is not particular easy to define. It is essentially a measure of the risk of harm, injury or disease arising from a chemical or process that will be tolerated by a person or group".
Katharina Thywissen, Components of Risk: A Comparative Glossary (No. 2/2006), United Nations University Institute of Environment and Human Security (UNU-EHS), ISBN: 3-9810582-0-8 (printed version), ISBN: 3-9810582-1-6 (electronic version), Bonn, Germany 2006. http://www.ehs.unu.edu/file/get/8335, (Dzstr, Rsk, Vul, Haz, etc. - Amer) {796}