40 Hour OSHA HAZWOPER
1. What is a negative pressure test?: You cover the inlet valves with your palm of your
hands. Then you inhale and see if the respirator collapses.
2. What is a positive pressure test?: You place your hand over the exhale valve.
Then you exhale and see if your seal is broken.
3. What is the buddy system?: A system of organizing employees into work groups in
such a manner that each employee of the work group is designated to be observed by at least
one other employee in the work group. The purpose of the buddy system is to provide rapid
assistance to employees in an emergency event.
4. What does the acronym LEL stands for?: Lower Explosive Limit
5. What are the work zones in a spill site?: Hot Zone-
Spill material Warm Zone-Deconn
Cold Zone-Supportive Zone
6. What are the EPA levels of protection?: A-SCBA & fully
encapsulating suit B-SCBA & non-encapsulating suit
C-APR & non-
encapsulating suit D-
Work wear
7. What are the OSHA limits of oxygen?: The OSHA Limits for oxygen is 19.5%-
23.5%
8. What is the percent of oxygen in the atmosphere?:
20.9% of oxygen 78.9% of nitrogen
9. What is the definition for teratogen?: an agent or factor that causes
malformation of an embryo
10. What is the definition for mutagen?: an agent, such as radiation or a
chemical substance, that causes genetic mutation
11. What is the definition for chronic?: Long term exposure
12. What is the definition for carcinogen?: a substance capable of causing
cancer in living tissues
13. What does the acronym CPC stand for?: Chemical Protective Clothing
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1. What is a negative pressure test?: You cover the inlet valves with your palm of your
hands. Then you inhale and see if the respirator collapses.
2. What is a positive pressure test?: You place your hand over the exhale valve.
Then you exhale and see if your seal is broken.
3. What is the buddy system?: A system of organizing employees into work groups in
such a manner that each employee of the work group is designated to be observed by at least
one other employee in the work group. The purpose of the buddy system is to provide rapid
assistance to employees in an emergency event.
4. What does the acronym LEL stands for?: Lower Explosive Limit
5. What are the work zones in a spill site?: Hot Zone-
Spill material Warm Zone-Deconn
Cold Zone-Supportive Zone
6. What are the EPA levels of protection?: A-SCBA & fully
encapsulating suit B-SCBA & non-encapsulating suit
C-APR & non-
encapsulating suit D-
Work wear
7. What are the OSHA limits of oxygen?: The OSHA Limits for oxygen is 19.5%-
23.5%
8. What is the percent of oxygen in the atmosphere?:
20.9% of oxygen 78.9% of nitrogen
9. What is the definition for teratogen?: an agent or factor that causes
malformation of an embryo
10. What is the definition for mutagen?: an agent, such as radiation or a
chemical substance, that causes genetic mutation
11. What is the definition for chronic?: Long term exposure
12. What is the definition for carcinogen?: a substance capable of causing
cancer in living tissues
13. What does the acronym CPC stand for?: Chemical Protective Clothing
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