Dennis Patrick works in the environmental safety and compliance areas of Airgas and has been with the company for six years. In the industry since 1977, Patrick is a Certified Industrial Hygienist, Certified Safety Professional and Certified Hazardous Materials Manager. He resides in Lansing, Michigan.
Like any workplace standard, a respiratory protection program needs periodic evaluation. Regulations, equipment and personnel are constantly in flux. If any of the following scenarios applies to your company, it may be time to reevaluate your respiratory protection plan.