Hazardous Materials Classes Quiz

Class 1: Explosives, highly reactive substances that can cause explosions under certain conditions.
Class 2: Gases, which can be compressed or liquefied, posing risks such as flammability or toxicity.
Class 3: Flammable liquids, substances that can ignite and sustain combustion.
Class 4: Flammable solids, materials that can catch fire easily and burn rapidly.
Class 5: Oxidizers and organic peroxides, substances that can contribute to combustion and amplify fire hazards.
Class 6: Poison, materials that can cause harm through exposure or ingestion.
Class 7: Radioactive materials, substances emitting ionizing radiation, posing health risks.
Class 8: Corrosives, chemicals that can damage skin, eyes, or materials upon contact.
Class 9: Miscellaneous materials, substances that do not fit into other hazardous classes.

NFPA 473: Establishes competencies for EMS personnel responding to hazardous materials and WMD incidents.
NFPA 1072: Defines qualifications for emergency response personnel in hazardous materials situations.
NFPA 704: Provides a standardized system for identifying material hazards for emergency response.
NFPA 472: Sets competence standards for responders to hazardous materials and WMD incidents.

CFR Title 29 1910.120: Outlines the hazmat awareness level requirements for workers.
PEL: OSHA's permissible exposure limit that regulates maximum allowable exposure to chemicals.
REL: NIOSH's recommended exposure limit, setting guidelines for safe levels of exposure.

Red part of placard: Indicates fire hazard associated with materials.
Yellow part of placard: Represents instability, highlighting potential risks due to reactivity.
White part of placard: Designates specific hazards that may be present.
Blue part of placard: Reflects health hazards, warning about exposure risks.