A liquid is classified as either flammable or combustible when it contains:
carbon and hydrogen.
What should an inspector consult to determine the appropriate fire extinguishing agent according to the manufacturer’s specifications for flammable solids that are metals?
Safety Data Sheets
What resource can be used as a key for the unique identifiers assigned to hazardous materials?
Emergency Response Guidebook (ERG)
Hazardous materials that are incompatible are considered separated if:
they are separated by a distance of 20 feet (6 m) or more.
Which acute toxicity value refers to the ingested dose of a given substance that was lethal to 50% or more of the test population when they swallowed or ate the substance?
LD 50
Which type of occupancy requires a separate, stand-alone building without a basement?
Group H-1/High Hazard Level 1
When are hazardous occupancies required to have panic hardware?
Always
To determine the MAQ, the code official must have the material hazard classification, physical state, and:
the amount of material that is in storage and use.
Code requirements for containers address packaging of:
flammable and combustible liquids.
A material is classified as pyrophoric when it autoignites in air at temperatures of:
130°F (55°C) or less.
Which hazard occupancy category includes occupancies that store materials that present a deflagration hazard like flammable gases and pyrophorics?
Group H-2/High Hazard Level 2
Which type of spontaneously combustible material can ignite without external ignition sources within five minutes of coming into contact with air?
Pyrophoric
What value represents the concentration of a given toxic material that the body generally can tolerate without ill effects?
Threshold limit value (TLV)
Gases that do not liquefy at normal temperature and pressure are:
nonliquefied compressed gases.
Under the UN system, which classification includes poison (toxic) and poison inhalation hazard?
Class 6
Which system provides a widely recognized method for indicating the presence of hazardous materials at commercial, manufacturing, institutional, and other fixed-storage facilities?
NFPA® 704
Which of the following is a source for hazardous material toxicity data?
Sax’s Dangerous Properties of Industrial Materials
What can an inspector check to verify that an emergency vent is properly sized?
Flow rate posted on the nameplate
What kind of order may be issued stating that the equipment cannot be returned to service until the required corrections are made?
Stop-use order
Hazardous materials classifications are based on criteria in:
the adopted fire code.
The secondary containment design for hazardous materials must contain the volume of the largest container or storage tank and contain the volume of rainfall produced in a:
24-hour/25-year storm.
Which transportation placards are required for trucks carrying products that include hazardous materials to travel freely among the U.S., Canada, and Mexico?
UN recommendations
Who evaluates used storage equipment before it can be used again safely?
Design professional
What is used in rack storage to accelerate the activation of the in-rack sprinklers?
A horizontal barrier