USACHPPM Directorates Directorate of Epidemiology & Disease Surveillance (DEDS) Directorate of Environmental Health Engineering (DEHE) Directorate of Health Promotion & Wellness (DHPW) Directorate of Health Risk Management (DHRM) Directorate of Laboratory Sciences (DLS) Occupational & Environmental Medicine (DOEM) Directorate of Occupational Health Sciences (DOHS) Directorate of Toxicology (DTOX)