Bowen EHS Book of CSP Exam  Practice Problems: 50 Questions (Volume 6)
Russell B. Bowen, CIH, CSP is the founder and President of Bowen EHS, Inc.  He has designed and teaches online professional development course for the Certified Industrial Hygienist and Certificated Safety Professional exams.  He is a member of the American Industrial Hygiene Association and the American Society of Safety Engineers, a graduate of Truman State University (BS Physics) and the University of North Carolina at Chapel Hill (MS Environmental Science & Engineering, Industrial Hygiene).