Isocyanate exposure in an autobody repair and collision center.

T his inspection by the Occupational Safety and Health Administration (OSHA) reports on an overexposure to methylene bisphenyl isocyanate (MDI) during the spray application of a protective coating for truck beds. The inspection was conducted at an autobody repair shop and collision center that also operated a spray-on truck bed coating operation. The investigation was initiated as a complaint inspection and was limited to the complaint allegation. The employee complaint alleged that workers were exposed to harmful vapors during application of the truck bed liner.