CGSB 155.20 a national standard of Canada states the minimum requirements and test methods for performance of protective workwear worn for protection against unplanned exposure to hydrocarbon flash fire and optionally steam and hot fluids.
Many dusts are flammable. If you have one that is, do everything possible to reduce the area and population it affects, and provide your workers with high quality FR clothing. To learn more about combustible dust and for a list of combustible dust materials, click here.