and Answers (Latest Update 2026)
What are delayed effects that can occur a long time after exposure?
-
correct answer ✅Chronic
Atmospheres containing less than ___________ oxygen are
considered "oxygen deficient" by OSHA standards. -
correct answer ✅19.5%
What does the OSHA Hazard Communication Standard require -
correct answer ✅Processes and procedures that employers
implement to effectively communicate to employees hazards
associated with chemicals during handling, shipping, and any form
of exposure.
Which type of radiation is by far the most dangerous of the three
common types of radiation? -
correct answer ✅Gamma
Which government agency regulates transportation -
correct answer ✅Department of Transportation (DOT)
, HAZWOPER Final Exam Questions
and Answers (Latest Update 2026)
How often should chemical protective suits be inspected -
correct answer ✅Monthly
A bulging drum is considered -
correct answer ✅under pressure
Who has the authority to direct, control, and evaluate site
emergency response/emergency activities? -
correct answer ✅Emergency Response Coordinator
Aerosols are considered: -
correct answer ✅Mixtures of liquid and solid particles dispersed in
gas
Which class of respiratory protection is NOT recommended for use
in hazardous atmosphere containing less than 19.5% oxygen? -
correct answer ✅Air-purifying respirator
What is the most common type of supplied-air respirator? -
correct answer ✅Self-Contained Breathing Apparatus (SCBA)