Bernard D. Silverstein, MS, CIH, is a senior consulting industrial hygienist at Melnick Scientific. He is a certified industrial hygienist (CIH) with over 30 years of experience working for both government and private industry, specializing in regulatory compliance, risk assessment, and health and safety management systems. Bernard is a member of the American Industrial Hygiene Association (AIHA) Exposure Assessment Strategies Committee and an AIHA Distinguished Fellow. He is a contributing author of A Strategy for Assessing and Managing Occupational Exposures 3rd Ed, and principle author and editor of The AIHA Value Strategy Manual.