EPA & OSHA Hazard Category Comparison

The EPA Hazard categories are a consolidation of the OSHA Hazard Communication Standard, and correlate as follows:

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 Toxic Irritant Sensitizer Corrosive Other hazardous chemicals with an adverse effect with long term exposure