| HAP | Handicapped Aid Program; Hazardous Air Pollutants [List]; hazardous air pollution; health alliance p... |
|---|---|
| HAZ | MAT hazardous material |
| HIC | handling-induced convulsions; health insurance claim; Heart Information Center |
| AHE | acute hazardous events [database]; acute hemorrhagic encephalomyelitis |
| HAZWOPER | Hazardous Waste Operation and Emergency Response [of OSHA] |