HMA Chapter 2

2. Yellow quadrant in the NFPA 704 system
4. Standard size of 9.84 inches on each side
5. Top half contains a two- or three-digit number/code required under European and some South American regulations, bottom number is the four-digit UN/NA identification number
8. Indicates a mixed load of hazardous material classes
10. Liquids or solids that readily give off oxygen or other oxidizing substances
13. Rounded, almost spherical ends, bolted access points/hatches, bolted protective housings, pressure relief devices, pressure gauges
14. Four-digit numbers used to identify hazardous chemicals or classes of hazardous materials worldwide
15. Worldwide initiative to promote standard criteria for classifying chemicals and chemical hazards
17. Commonly used proprietary system developed by American Coatings Association in order to comply with the HCS
18. Synthetic opioid, 50-100x stronger than morphine
19. Containers of cylindrical shape with box cabinet at rear of the container
20. Detailed information bulletin prepared by chemical’s manufacturer or importer
21. Inhalation Hazards and Biohazards
22. Most common kind of hazmat incident
23. Materials that are in a gaseous state at normal temperatures and pressures
24. Red quadrant in the NFPA 704 system
27. White quadrant in the NFPA 704 system

1. Flammable Solids; Spontaneously Combustible; Dangerous When Wet
3. Tend to have flat sides or ends
6. Prepared to help first responders have a plan before an incident
7. Provide additional information on safety precautions needed to ensure shipment is handled so spills, accidents, and exposure are prevented
9. Maximum capacity greater than 119 gallons as a receptacle for a liquid, maximum net mass greater than 882 pounds or maximum capacity greater than 119 gallons as a receptacle for a solid, water capacity 1,000 pounds or greater as a receptacle for a gas
10. Presents a hazard during transportation, does not meet the definition of any other hazard class
11. Widely recognized method for indicating the presence of hazmat at commercial facilities, manufacturing facilities, institutional facilities, fixed-storage facilities
12. Liquid or solid substance that causes full thickness destruction of human skin at the site of contact within a specific period of time, liquid that has a severe corrosion rate on steel or aluminum
16. Blue quadrant in the NFPA 704 system
21. Any substance or article with a great deal of potential energy that may rapidly expand and release upon activation
23. Liquids that ignite and burn with relative ease, many hazmat incidents involve this class
25. Measure 3.9 inches on each side, attached to the package being shipped
26. Emit radiation, capable of penetrating, damaging living tissues