CSST Exam Study Guide – Practice Questions with Verified Answers. GRADED A+. Latest 2026/2027 Update

CSST Exam Study Guide –
Practice Questions with
Verified Answers. GRADED A+.
Latest 2026/2027 Update




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 - 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
C. EPA NESHAP

D. EPA AHERA - 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 - 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 - 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
B. AHERA
C. NESHAP

D. Cal-OSHA Title 8, 1529 - 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 - 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 - 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?
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. - 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 - 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 - Answer✔✔-C. EPA AHERA


19. Cal-OSHA states, for Class II roof removal:
A. A shower must be on the roof
B. Showers are not required
C. A shower must be available and nearby

D. Roofing removal is a Class I activity - Answer✔✔-B. Showers are not
required


20. An initial exposure assessment:
A. Is optional for some Class III work
B. Is optional if all workers wear full face, negative pressure respirators
C. Is optional for some class two work

D. None of the above - Answer✔✔-D. None of the above


21. Who must wear a personal air monitoring pump in containment?
A. The supervisor
B. At least 33 % of the workforce
C. At least one worker performing differing tasks

D. All of the above - Answer✔✔-C. At least one worker performing differing
tasks


22. Which of these is considered a Category II non friable material?
A. Asbestos cement pipe