Hazmat Awareness Terms Flashcards
Acid
Compound containing hydrogen that reacts with water to produce hydrogen ions, pH less than 7, corrosive.
Activation Energy
Minimum energy that starts a chemical reaction when added to an atomic or molecular system
Acute health effects
Health effects that occur or develop rapidly after an exposure to a hazardous substance
Allergen
Material that can cause an allergic reaction of the skin or respiratory system
Asphyxiant
Any substance that prevents oxygen from combining in sufficient quantities with the blood or from being used by body tissues
Bacteria
Microscopic, single celled organisms
Base
Any alkaline or caustic substance. Corrosive water soluble compound or substance containing group forming hydroxide ions in water solution that reacts with an acid to form salt
Bill of lading
Shipping paper used by the trucking industry indicating origin, destination, route, and product. In the cab of every truck tractor.
Binary explosive
A type of explosive device or material with two components that are explosive when combined but not separately
Boiling point
Temperature of a substance when the vapor pressure equals the atmospheric pressure
Breach (HAZMAT)
The point at which a stressed container loses structural integrity and releases it’s contents.
Types of breaches (HAZMAT)
Disintegration, runaway cracking, failed or broken attachments, punctures, splits, and tears
Capacity stencil
Number stenciled on the exterior of a tank car to indicate the volume of a tank
Chemical energy
Potential energy stored in the internal structure of a material that may be released during a chemical reaction or transformation
Chemical properties
The way a substance is able to change into other substances. The ability to burn, react, explode, or produce toxic substances hazardous to people or environment
