NFPA 20 : The National Fire Protection Association is a voluntary membership organization whose aims are to promote and improve fire protection and prevention. NFPA has published several volumes of codes known as the National Fire Codes
Internet gateway for occupational health and safety resources and information, Basic Safety and Health Terms (An Article dedicated to the novice health and safety professional, Sep. 2000), CA, USA 2000, http://www.osh.net/articles/archive/osh_basics_200 0_sept30.htm, (Hlth and Sfty - Amer) {108}
United States Department of Labor, Occupational Safety & Health Administration (OSHA), Personal Protective Equipment Glossary (OSHA 29 CFR 1910.132), Washington, DC USA 2012. http://www.osha.gov/dte/grant_materials/fy07/sh-16 625-07/ppeglossary3.pdf, (OSHA/ Pers Prot Equip - Amer) {498}