ASP Hazardous Materials and Chemical Safety Flashcards
7 cards from real ASP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 ASP Hazardous Materials and Chemical Safety flashcards as text
Which NFPA 704 diamond quadrant color indicates health hazard?
Answer: Blue (left)
The blue quadrant on the left of the NFPA 704 diamond represents health hazard, rated 0–4.
Under OSHA's HazCom standard (29 CFR 1910.1200), what is the primary purpose of a Safety Data Sheet (SDS)?
Answer: Communicate chemical hazard information to workers
SDS documents communicate chemical hazards, safe handling, and emergency response information as required by HazCom 2012.
What term describes the minimum concentration of a flammable vapor in air that will ignite?
Answer: Lower flammable limit (LFL)
The lower flammable limit (LFL) is the minimum vapor concentration in air that can sustain ignition.
A chemical with a vapor density greater than 1.0 will:
Answer: Sink and accumulate near the floor
Vapors with density >1.0 (relative to air) are heavier than air and settle in low-lying areas, creating ignition and asphyxiation hazards.
Which DOT hazard class covers oxidizers?
Answer: Class 5
DOT Class 5 covers oxidizing substances (Division 5.1) and organic peroxides (Division 5.2).
The IDLH (Immediately Dangerous to Life or Health) value for a chemical is used to:
Answer: Define the concentration at which escape may be impaired
IDLH is the airborne concentration that poses an immediate threat to life or could impair escape ability within 30 minutes.
What is the primary regulatory framework governing the emergency response to hazardous materials incidents in the US?
Answer: OSHA 29 CFR 1910.120 (HAZWOPER)
HAZWOPER (29 CFR 1910.120) establishes training and operational requirements for hazardous waste operations and emergency response.