The National Institute for Occupational Safety and Health (NIOSH) received a union request for a health hazard evaluation at the Customs and Border Protection (CBP) ports of entry in El Paso, Texas. The request concerned CBP officers' work in hot environments and potential exposure to carbon monoxide from vehicle exhaust. This report contains NIOSH's findings and recommendations.

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.