Don is the technical services representative specializing in construction for 3M Company (www.3M.com/OccSafety). He has over 20 years experience working directly with ENR 400 construction contractors across the country. Don is a Fellow of the American Industrial Hygiene Association and past-president of the AIHA Construction Committee. Phone: 1-800-243-4630.
Conducting a respiratory exposure assessment and utilizing the results to design an effective respiratory protection plan for a construction crew is a science.
February 1st, 2013 the American Conference of Governmental Industrial Hygienists (ACGIH®) announced a revision to its good practice recommended Threshold Limit Value (TLV®) for manganese.(