| ACGIH American Conference of Governmental Industrial Hygienists |
| OSHA Occupational Safety & Health Administration of the U.S. Department of Labor |
| NIOSH The National Institute for Occupational Safety and Health of the Centers for Disease Control & Prevention |
| BOCA Building Officials and Code Administrators International — National Building Code available from the International Code Council |
| NFPA National Fire Protection Association |
| IMC International Mechanical Code — from the International Code Council |
| UMC Uniform Mechanical Code — from the International Association of Plumbing and Mechanical Officials |
| OSHA Instruction Inspecting Workplaces that Create or Handle Combustible Dusts |