1. US Chemical Hazard and Investigation Board Website www.csb.gov
2. US Department of Labor Directive Number CPL 03-00-008 effective 3/11/08, “Combustible Dust National Emphasis Program (Revised)”
3. NFPA 68 “Standard on Explosion Protection by Deflagration Venting”, 2007 Edition
4. NFPA 69 “Standard on Explosion Prevention Systems”, 2008 Edition
5. NFPA 654 “Standard for the Prevention of Fire and Dust Explosions from the Manufacturing, Processing, and Handling of Combustible Particulate Solids”, 2006 Edition