Updates to permissible exposure limits (PELs) are the top priority cited by industrial hygienists in a wide-ranging survey conducted by the American Industrial Hygiene Association (AIHA) to identify public policy areas of concern, underscoring the recent emphasis among occupational health and safety professionals on addressing outdated exposure limits, and possibly increasing the pressure on OSHA to take further steps. Development of an injury and illness prevention program rule (I2P2), which has been the leading OSHA regulatory goal under the administration of agency chief David Michaels, was
December 30, 2025