ASBESTOS WORKER EXAM
COLORADO STUDY GUIDE
QUESTIONS AND CORRECT
ANSWERS 2025 2026 LATEST EXAM
GUIDE.
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,1. What is asbestos? CORRECT ANSWER natural occurring mineral
2. According to EPA and OSHA, what are three categories of uses for asbestos in buildings? CORRECT ANSWER
Surface materials, Miscellaneous materials, Thermal Insulation Sys- tem (TSI)
3. Types of asbestos minerals used in the United States CORRECT ANSWER CORRECT ANSWER
Chrysotile, Amosite, Crocidolite
4. What type of asbestos is brown, difficult to wet, and dries quickly after wetting? CORRECT ANSWER
Amosite
5. What type of asbestos was used the most in the United States? CORRECT ANSWER Chrysotile, white
asbestos
6. When is asbestos fibers dangerous for people? CORRECT ANSWER When asbestos containing materials
have been damaged and fibers are released into the air and inhaled or swallowed by people.
7. Friable means. CORRECT ANSWER Material containing more than 1% asbestos (ACM), which when dry, can
crumble under finger pressure into fibers that cannot be seen with the naked eye, but are always harmful
8. How can you identify when building materials contain asbestos? CORRECT ANSWER Taking a bulk
sample and examining it with a Polarized Light Microscope (PLM) in and approved laboratory
9. What are the federal government agencies that have established norms and rules for the management of
asbestos? CORRECT ANSWER EPA, OSHA, NIOSH, DOT
10. Which of these agencies sets health and safety standards for workers? CORRECT ANSWER -
OSHA, Occupational Safety and Health Administration
11. According to OSHA standards what is the Permissible Exposure Limit or PEL for asbestos? CORRECT
ANSWER 0.1f/cc TWA
12. What is the federal government agency that protects the environment? Also regulates asbestos waste.
CORRECT ANSWER EPA, Environmental Protection Agency
13. What are the routes by which asbestos fibers enter the human body? CORRECT ANSWER res- piratory
routes
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, 14. Workers may not realize they are exposed to dangerous amounts of as- bestos. Why? CORRECT ANSWER
Health problems relating to asbestos exposure usually take years to manifest
15. What are the diseases related to asbestos exposure? CORRECT ANSWER Mesothelioma, As- bestosis,
Lung cancer
16. Which disease is NOT CANCER and is identified by scarring the lungs tissue? CORRECT ANSWER
Asbestosis
17. How much asbestos does it take to get a disease? CORRECT ANSWER There is no safe amount, but the more
asbestos you breathe in the greater the chance of getting asbestosis
18. Small hairs in the windpipe that help expel asbestos fibers. CORRECT ANSWER cilia
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COLORADO STUDY GUIDE
QUESTIONS AND CORRECT
ANSWERS 2025 2026 LATEST EXAM
GUIDE.
1/
16
,1. What is asbestos? CORRECT ANSWER natural occurring mineral
2. According to EPA and OSHA, what are three categories of uses for asbestos in buildings? CORRECT ANSWER
Surface materials, Miscellaneous materials, Thermal Insulation Sys- tem (TSI)
3. Types of asbestos minerals used in the United States CORRECT ANSWER CORRECT ANSWER
Chrysotile, Amosite, Crocidolite
4. What type of asbestos is brown, difficult to wet, and dries quickly after wetting? CORRECT ANSWER
Amosite
5. What type of asbestos was used the most in the United States? CORRECT ANSWER Chrysotile, white
asbestos
6. When is asbestos fibers dangerous for people? CORRECT ANSWER When asbestos containing materials
have been damaged and fibers are released into the air and inhaled or swallowed by people.
7. Friable means. CORRECT ANSWER Material containing more than 1% asbestos (ACM), which when dry, can
crumble under finger pressure into fibers that cannot be seen with the naked eye, but are always harmful
8. How can you identify when building materials contain asbestos? CORRECT ANSWER Taking a bulk
sample and examining it with a Polarized Light Microscope (PLM) in and approved laboratory
9. What are the federal government agencies that have established norms and rules for the management of
asbestos? CORRECT ANSWER EPA, OSHA, NIOSH, DOT
10. Which of these agencies sets health and safety standards for workers? CORRECT ANSWER -
OSHA, Occupational Safety and Health Administration
11. According to OSHA standards what is the Permissible Exposure Limit or PEL for asbestos? CORRECT
ANSWER 0.1f/cc TWA
12. What is the federal government agency that protects the environment? Also regulates asbestos waste.
CORRECT ANSWER EPA, Environmental Protection Agency
13. What are the routes by which asbestos fibers enter the human body? CORRECT ANSWER res- piratory
routes
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16
, 14. Workers may not realize they are exposed to dangerous amounts of as- bestos. Why? CORRECT ANSWER
Health problems relating to asbestos exposure usually take years to manifest
15. What are the diseases related to asbestos exposure? CORRECT ANSWER Mesothelioma, As- bestosis,
Lung cancer
16. Which disease is NOT CANCER and is identified by scarring the lungs tissue? CORRECT ANSWER
Asbestosis
17. How much asbestos does it take to get a disease? CORRECT ANSWER There is no safe amount, but the more
asbestos you breathe in the greater the chance of getting asbestosis
18. Small hairs in the windpipe that help expel asbestos fibers. CORRECT ANSWER cilia
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