The National Institute for Occupational Safety and Health (NIOSH) received a request for a health hazard evaluation at a national park in Arizona. Management submitted the request because of concerns about exposures to employees cleaning and maintaining pit and composting toilets. The request also asked for an evaluation of personal protective equipment (PPE) use. This document summarizes the NIOSH's evaluation and recommendations.

The National Institute for Occupational Safety and Health (NIOSH) received a management request for a health hazard evaluation at a middle school in Texas, which had been evaluated a year earlier. The request was to look at the indoor environmental quality (IEQ) at the school after mold remediation and remodeling had been completed. NIOSH findings and recommendations are detailed.