CALIFORNIA ASBESTOS CERTIFICATION C-22 LICENSE EXAM
100 QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) PLUS RATIONALES 2025 Q&A | INSTANT
DOWNLOAD PDF
1. What does the C-22 Asbestos Certification primarily allow a contractor to
do?
A. Demolish any structure containing asbestos
B. Install new asbestos-containing materials
C. Remove or remediate asbestos-containing materials
D. Design asbestos abatement plans
C. Remove or remediate asbestos-containing materials
Only contractors with a C-22 license may engage in asbestos abatement or
removal work in California.
2. Which federal agency sets the standards for asbestos exposure in the
workplace?
A. EPA
B. OSHA
C. DOT
D. CalRecycle
B. OSHA
OSHA regulates occupational exposure to asbestos, including permissible
exposure limits and work practices.
,3. Which of these is considered a friable asbestos-containing material?
A. Vinyl asbestos tile
B. Asbestos cement pipe
C. Spray-applied fireproofing
D. Transite panel
C. Spray-applied fireproofing
Friable ACM can be crumbled by hand pressure; spray-applied fireproofing
is a common friable example.
4. The NESHAP regulation is part of which federal law?
A. Clean Water Act
B. Clean Air Act
C. Resource Conservation and Recovery Act
D. CERCLA
B. Clean Air Act
NESHAP (National Emission Standards for Hazardous Air Pollutants) under
the Clean Air Act regulates asbestos emissions.
5. Which document must be filed before performing an asbestos abatement
project exceeding the threshold in California?
A. Air Quality Permit
B. Notification of Demolition/Renovation
C. Risk Management Plan
D. Waste Manifest
B. Notification of Demolition/Renovation
NESHAP requires written notification to the local air district before certain
demolitions or renovations.
,6. Which of these is an acceptable method of controlling asbestos fiber
release during removal?
A. Using dry removal techniques
B. Using a negative air enclosure
C. Burning the material
D. Sanding the material
B. Using a negative air enclosure
Negative air containment helps prevent the spread of asbestos fibers to
uncontaminated areas.
7. What is the maximum allowed employee exposure to asbestos averaged
over an 8-hour shift (OSHA PEL)?
A. 0.1 fibers/cc
B. 0.5 fibers/cc
C. 1.0 fibers/cc
D. 2.0 fibers/cc
A. 0.1 fibers/cc
OSHA sets the PEL for asbestos at 0.1 fibers per cubic centimeter as an 8-
hour TWA.
8. Who must have asbestos worker accreditation under AHERA?
A. Janitors in schools
B. Teachers
C. Inspectors and abatement workers
D. Building owners
C. Inspectors and abatement workers
, AHERA requires that inspectors, management planners, and abatement
workers in schools be properly trained and accredited.
9. Which California agency regulates asbestos disposal?
A. CAL/OSHA
B. Department of Toxic Substances Control (DTSC)
C. California Air Resources Board (CARB)
D. State Water Board
B. Department of Toxic Substances Control (DTSC)
DTSC oversees hazardous waste management, including asbestos disposal
regulations.
10.What must workers wear during Class I asbestos work?
A. Cloth coveralls
B. Street clothes
C. Respiratory protection and protective clothing
D. No special equipment required
C. Respiratory protection and protective clothing
Class I work involves the highest exposure risk; full PPE is mandatory.
11.Which type of respirator is required for high-risk asbestos removal?
A. N95 dust mask
B. Air-purifying half-mask
C. Full-face PAPR or supplied-air respirator
D. Cloth bandana
C. Full-face PAPR or supplied-air respirator
100 QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) PLUS RATIONALES 2025 Q&A | INSTANT
DOWNLOAD PDF
1. What does the C-22 Asbestos Certification primarily allow a contractor to
do?
A. Demolish any structure containing asbestos
B. Install new asbestos-containing materials
C. Remove or remediate asbestos-containing materials
D. Design asbestos abatement plans
C. Remove or remediate asbestos-containing materials
Only contractors with a C-22 license may engage in asbestos abatement or
removal work in California.
2. Which federal agency sets the standards for asbestos exposure in the
workplace?
A. EPA
B. OSHA
C. DOT
D. CalRecycle
B. OSHA
OSHA regulates occupational exposure to asbestos, including permissible
exposure limits and work practices.
,3. Which of these is considered a friable asbestos-containing material?
A. Vinyl asbestos tile
B. Asbestos cement pipe
C. Spray-applied fireproofing
D. Transite panel
C. Spray-applied fireproofing
Friable ACM can be crumbled by hand pressure; spray-applied fireproofing
is a common friable example.
4. The NESHAP regulation is part of which federal law?
A. Clean Water Act
B. Clean Air Act
C. Resource Conservation and Recovery Act
D. CERCLA
B. Clean Air Act
NESHAP (National Emission Standards for Hazardous Air Pollutants) under
the Clean Air Act regulates asbestos emissions.
5. Which document must be filed before performing an asbestos abatement
project exceeding the threshold in California?
A. Air Quality Permit
B. Notification of Demolition/Renovation
C. Risk Management Plan
D. Waste Manifest
B. Notification of Demolition/Renovation
NESHAP requires written notification to the local air district before certain
demolitions or renovations.
,6. Which of these is an acceptable method of controlling asbestos fiber
release during removal?
A. Using dry removal techniques
B. Using a negative air enclosure
C. Burning the material
D. Sanding the material
B. Using a negative air enclosure
Negative air containment helps prevent the spread of asbestos fibers to
uncontaminated areas.
7. What is the maximum allowed employee exposure to asbestos averaged
over an 8-hour shift (OSHA PEL)?
A. 0.1 fibers/cc
B. 0.5 fibers/cc
C. 1.0 fibers/cc
D. 2.0 fibers/cc
A. 0.1 fibers/cc
OSHA sets the PEL for asbestos at 0.1 fibers per cubic centimeter as an 8-
hour TWA.
8. Who must have asbestos worker accreditation under AHERA?
A. Janitors in schools
B. Teachers
C. Inspectors and abatement workers
D. Building owners
C. Inspectors and abatement workers
, AHERA requires that inspectors, management planners, and abatement
workers in schools be properly trained and accredited.
9. Which California agency regulates asbestos disposal?
A. CAL/OSHA
B. Department of Toxic Substances Control (DTSC)
C. California Air Resources Board (CARB)
D. State Water Board
B. Department of Toxic Substances Control (DTSC)
DTSC oversees hazardous waste management, including asbestos disposal
regulations.
10.What must workers wear during Class I asbestos work?
A. Cloth coveralls
B. Street clothes
C. Respiratory protection and protective clothing
D. No special equipment required
C. Respiratory protection and protective clothing
Class I work involves the highest exposure risk; full PPE is mandatory.
11.Which type of respirator is required for high-risk asbestos removal?
A. N95 dust mask
B. Air-purifying half-mask
C. Full-face PAPR or supplied-air respirator
D. Cloth bandana
C. Full-face PAPR or supplied-air respirator
