About the Author
Barbara Cohrssen is President of Cohrssen Environmental, Inc. and is a Certified Industrial Hygienist and Registered Environmental Assessor. She co-edited the 5th Edition of Patty's Toxicology and is a recognized authority in the field of industrial hygiene. She has over 30 years of experience in occupational and environmental health and safety. In addition, Ms. Cohrssen is a member of the American Industrial Hygiene Association (AIHA), American Conference of Governmental Industrial Hygienists (ACGIH), and American Academy of Industrial Hygiene (newsletter editor since 1994).