Health Hazard Evaluation Program
The Health Hazard Evaluation (HHE) program is a workplace health program administered by the National Institute for Occupational Safety and Health (NIOSH) by which employees, employers, and labor unions can request assistance from the HHE program at no cost to them. The HHE program responds to requests through a variety of methods, including telephone consultations and field investigations.
Source: Wikipedia — Health Hazard Evaluation Program (CC BY-SA 4.0)