Important Terms


Important Terms

The U.S. Occupational Health and Safety Administration (OSHA) defines a flammable liquid as "any liquid having a flash point below 37.8 degree C. (100 deg. F) Learn More.

A carcinogen is a substance that may causes cancer. Learn More.

• An LD50 value or dose is basically the amount of a solid or liquid substance when given to test animals can result in killing 50% of test animals (test animals are mice or rats) in one dose. Learn More.

• An LC50 value is the concentration of a material or substance in air that may have a tendency to kill 50% of the test sample (animals, typically mice or rats) during a one-time exposure (for 1 to 4 hours). Learn More.

• The lowest temperature at which a chemical can generate an ignitable mixture in air near the liquid's surface is called the flash point. Learn More.

• A hazardous chemical is one that poses a physical or health threat, according to OSHA Standard 1910.1200 (the OSHA Haz-com standard). Learn More.

• Toxic is defined by OSHA 29 CFR 1910.1200 App A as a chemical which falls in any of these three categories Learn More.

• The National Fire Protection Association, or NFPA, is the most authoritative source of technical knowledge, data, and consumer advice on fire protection, issues, and prevention. Learn More.