The U.S. Chemical Safety Board has long asserted that chemical dust explosions are a "serious industrial safety problem." CSB research reveals that nearly 200 dust fires and explosions have occurred in U.S. industrial facilities over the past 25 years, resulting in approximately 100 fatalities and 600 injuries.

NFPA 652 introduces a new term, Dust Hazard Analysis (DHA), which is geared toward factories involved in basic processes that generate combustible dusts collected by simple dust collectors.

VAC-U-MAX air-vac models 40008, 40012, and 40013 are a “system” that includes the vacuum cover, drum, and dolly.