Home American Industrial Hygiene Association SynergistNOW BlogGet to know AIHA President Deborah Nelson in the latest SynergistNOW blog post.Read interview SynergistNOW BlogLearn, Earn, and SaveSupplement your learning with PDCs while attending AIHA's Fall Conference on Leadership and Management. Learn more Fall ConferenceNatural DisastersAIHA publishes guidance on health and safety issues in natural disasters.Learn more AIHA GuidanceAIHce EXP 2018Advance your career with a speaking role at AIHce EXP 2018 in Philadelphia, Pa.Submit your proposal AIHce EXP 2018 Page Content Canada Lowers OEL for Airborne Chrysotile AsbestosThe Government of Canada has announced changes to the Canada Labour Code that lower the occupational exposure limit (OEL) for airborne chrysotile asbestos to "as close to zero as possible."Read MoreASIS to Develop Active Assailant Supplement to ANSI Standard on Workplace ViolenceASIS International, an organization for security professionals, is searching for individuals to serve on the committee for its new active assailant standard.Read MoreCDPH: California Outdoor Workers at Risk for Valley FeverThe California Department of Public Health (CDPH) warns that outdoor workers in California's Central Valley, especially those who dig or disturb soil, are at risk for Valley Fever.Read More Synergist The Synergist June/July 2017 Synergist Webinars JOEH JOEH Latest Issue Abstracts Safe & Sound Featured Publication IAQ Investigator's GuideAIHA Marketplace Explore ways industrial hygiene can keep you, your family, and your community healthy and safe. Latest from Twitter Tweets by @AIHA Follow AIHA Featured Video There was so much going on at AIHce EXP this year! We invite you to take a few minutes to look back at this highly charged and exciting conference. Click here for full screen. ? A Strategy for Assessing and Managing Occupational Exposures, 3rd Edition DownloadIH Calculator Lite Get IH Calculator LITE from the Apple Store - FREE!