CSST practice exam (2025) ACTUAL
EXAM (TESTING REAL EXAM
QUESTIONS) AND VERIFIED
ANSWERS 2026
1. Which regulation requires viewing ports in containment, a master shut off switch
at the entry door for all negative air units, and fire-retardant poly?
A. SCAQMD Rule 1403
B. EPA / AHERA
C. Cal-OSHA Title 8, 1529
D. None of the above - Correct answer-D. None of the above
2. Which regulation has several appendix sections, one of which consists of non-
mandatory work practices?
A. Cal-OSHA Title 8, 1529
B. EPA ASHARA
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,C. EPA NESHAP
D. EPA AHERA - Correct answer-A. Cal-OSHA Title 8, 1529
3. From which regulation does the term 'PACM' come from?
A. EPA AHERA
B. EPA NESHAP
C. Cal OSHA, Title 8, CCR 1529
D. Cal OSHA, Title 8, CCR 5144 - Correct answer-B. EPA NESHAP
4. From which agency did the term asbestos containing construction material
(ACCM) come from?
A. EPA NESHAP
B. EPA AHERA
C. Fed OSHA CFR 1926, 1101
D. Cal-OSHA Title 8, 1529 - Correct answer-D. Cal-OSHA Title 8, 1529
5. From which regulation does the term RACM (Regulated Asbestos Containing
Material) come from?
A. 29CFR,1926.1101
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,B. AHERA
C. NESHAP
D. Cal-OSHA Title 8, 1529 - Correct answer-C. NESHAP
6. What is the Cal OSHA definition of asbestos containing construction material?
A. >.01 % by WT
B. 1% or more by WT
C. > .1% by WT
D. Less than 1% by WT - Correct answer-C. > .1% by WT
7. What is the DTSC (Dept. of Toxic Substances Control) definition of asbestos
waste in California?
A. >.1 % by weight
B. 1 % or more by weight
C. > 1 % by weight
D. None of the above - Correct answer-B. 1 % or more by weight
8. When can an AHERA trained supervisor/competent person, employed by a state
licensed asbestos removal contractor, collect up to 12 bulk samples, according to
State of California regulations?
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, A. At any time on an asbestos removal project
B. On a residential project after they have taken a building inspector course
C. Only a State of California CAC or CSST may collect samples
D. On a project less than 260 sq. ft. or 160 ln. ft. - Correct answer-B. On a
residential project after they have taken a building inspector course
17. SCAQMD Rule 1403 requires an asbestos survey prior to demolition in which
type of structures?
A. All commercial building
B. Buildings with four units or more
C. All facilities
D. Only those with ACBM suspected - Correct answer-C. All facilities
18. Which regulation created the course known as Supervisor?
A. EPA NESHAP
B. Cal-OSHA Title 8, 1529
C. EPA AHERA
D. Fed OSHA CFR 29, 1926. 1101 - Correct answer-C. EPA AHERA
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EXAM (TESTING REAL EXAM
QUESTIONS) AND VERIFIED
ANSWERS 2026
1. Which regulation requires viewing ports in containment, a master shut off switch
at the entry door for all negative air units, and fire-retardant poly?
A. SCAQMD Rule 1403
B. EPA / AHERA
C. Cal-OSHA Title 8, 1529
D. None of the above - Correct answer-D. None of the above
2. Which regulation has several appendix sections, one of which consists of non-
mandatory work practices?
A. Cal-OSHA Title 8, 1529
B. EPA ASHARA
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
,C. EPA NESHAP
D. EPA AHERA - Correct answer-A. Cal-OSHA Title 8, 1529
3. From which regulation does the term 'PACM' come from?
A. EPA AHERA
B. EPA NESHAP
C. Cal OSHA, Title 8, CCR 1529
D. Cal OSHA, Title 8, CCR 5144 - Correct answer-B. EPA NESHAP
4. From which agency did the term asbestos containing construction material
(ACCM) come from?
A. EPA NESHAP
B. EPA AHERA
C. Fed OSHA CFR 1926, 1101
D. Cal-OSHA Title 8, 1529 - Correct answer-D. Cal-OSHA Title 8, 1529
5. From which regulation does the term RACM (Regulated Asbestos Containing
Material) come from?
A. 29CFR,1926.1101
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,B. AHERA
C. NESHAP
D. Cal-OSHA Title 8, 1529 - Correct answer-C. NESHAP
6. What is the Cal OSHA definition of asbestos containing construction material?
A. >.01 % by WT
B. 1% or more by WT
C. > .1% by WT
D. Less than 1% by WT - Correct answer-C. > .1% by WT
7. What is the DTSC (Dept. of Toxic Substances Control) definition of asbestos
waste in California?
A. >.1 % by weight
B. 1 % or more by weight
C. > 1 % by weight
D. None of the above - Correct answer-B. 1 % or more by weight
8. When can an AHERA trained supervisor/competent person, employed by a state
licensed asbestos removal contractor, collect up to 12 bulk samples, according to
State of California regulations?
©COPYRIGHT 2025, ALL RIGHTS RESERVED 3
, A. At any time on an asbestos removal project
B. On a residential project after they have taken a building inspector course
C. Only a State of California CAC or CSST may collect samples
D. On a project less than 260 sq. ft. or 160 ln. ft. - Correct answer-B. On a
residential project after they have taken a building inspector course
17. SCAQMD Rule 1403 requires an asbestos survey prior to demolition in which
type of structures?
A. All commercial building
B. Buildings with four units or more
C. All facilities
D. Only those with ACBM suspected - Correct answer-C. All facilities
18. Which regulation created the course known as Supervisor?
A. EPA NESHAP
B. Cal-OSHA Title 8, 1529
C. EPA AHERA
D. Fed OSHA CFR 29, 1926. 1101 - Correct answer-C. EPA AHERA
©COPYRIGHT 2025, ALL RIGHTS RESERVED 4
