The International Occupational Safety and Health Information Centre, Glossary of Terms On Chemical Safety, World Health Organization (WHO), The International Programme on Chemical Safety IPCS: Division of Environmental Health (A joint venture of the United Nations Environment Programme UNEP, the International Labour Organisation ILO, and the World Health Organization WHO), Geneva, Switzerland 2012. http://www.ilo.org/legacy/english/protection/safew ork/cis/products/safetytm/glossary.ht,(ChemSfty - Brit) {479}