Principal, Bruce McDonald Consulting LLC
Bruce McDonald has worked in air filtration for over 40 years. He has been involved in filter testing standards activities since the 80s. For the past several years McDonald has been a consultant. While he is currently retired, he remains active on numerous national and international standards committees concerning air filter test methods for HVAC, industrial, and engine related filters.
The presentation will look at methods to describe air filter efficiency in the size ranges used in PM 1, PM 2.5, and PM 10 ambient aerosol measurement. The most recent standards activities will be incorporated. The value and limitations of describing air filter efficiency in PM size ranges will be discussed.