Salmonella, Nontyphoid see Infectious Diseases
Sarcoma, Soft Tissue (Agent Orange)
Sarin see Nerve Agents
SHAD (Shipboard Hazard and Defense)
Shrapnel see Toxic Embedded Fragments
Shigella see Infectious Diseases
Smoke see Sand, Dust and Particulates
Smallpox Vaccine see Vaccinations & Medications
Solid Waste Burning see Burn Pits