Comparison of EPA and OSHA Hazard Categories

EPA's Hazard Categories OSHA's Hazard Categories
Fire Hazard Flammable
Combustion Liquid
Pyrophoric
Oxidizer
Sudden Release of Pressure Explosive
Compressed Gas
Reactive Unstable Reactive
Organic Peroxide
Water Reactive
Immediate (Acute) Health Hazards Highly Toxic
Toxic
Irritant
Sensitizer
Corrosive

Other hazardous chemicals with an adverse effect with short term exposure
Delayed (Chronic) Health Hazard Carcinogens

Other hazardous chemicals with an adverse effect with long term exposure

CEC Website · February 20, 2013 Blog