EXAM PRACTICE TEST 2026 | UPDATED STUDY
GUIDE WITH VERIFIED ANSWERS, DETAILED
RATIONALES & ASBESTOS REMOVAL
CERTIFICATION PREPARATION MATERIAL
(INSTANT DOWNLOAD PDF)
TEXAS ASBESTOS ABATEMENT SUPERVISOR EXAM PRACTICE TEST 2026
Updated Study Guide with Verified Answers, Detailed EXPERT RATIONALE &
Certification Preparation Material
• This practice test contains 200 exam-style questions covering all tested
domains of the Texas Asbestos Abatement Supervisor certification, complete
with verified correct answers and detailed EXPERT RATIONALE to reinforce
your understanding.
• Use this material by reading each question carefully, selecting your answer
before revealing the correct one, then studying the EXPERT RATIONALE —
repeat missed questions until you consistently score 80% or above.
QUESTION 1
Under Texas law, who is responsible for ensuring that asbestos abatement
work is performed in accordance with all applicable regulations?
A. The building owner only
B. The Texas Department of Insurance
C. The general contractor on site
D. The U.S. Army Corps of Engineers
E. The licensed asbestos abatement supervisor
Correct Answer: E. The licensed asbestos abatement supervisor
EXPERT RATIONALE: Texas regulations place direct responsibility on the
licensed asbestos abatement supervisor to ensure all work is performed in
,compliance with state and federal standards, including OSHA, EPA, and TDSHS
requirements.
QUESTION 2
Which agency in Texas has primary regulatory authority over asbestos
abatement activities?
A. Texas Commission on Environmental Quality (TCEQ)
B. Texas Department of Transportation
C. Texas Education Agency
D. Texas Department of State Health Services (TDSHS)
E. Occupational Safety and Health Administration (OSHA)
Correct Answer: D. Texas Department of State Health Services (TDSHS)
EXPERT RATIONALE: The TDSHS is the primary state agency responsible for
licensing, regulating, and overseeing asbestos abatement activities in Texas,
including training, accreditation, and project notifications.
QUESTION 3
What is the OSHA permissible exposure limit (PEL) for asbestos as an 8-hour
time-weighted average (TWA)?
A. 2.0 fibers per cubic centimeter (f/cc)
B. 0.5 f/cc
C. 0.1 f/cc
D. 1.0 f/cc
E. 0.05 f/cc
Correct Answer: C. 0.1 f/cc
, EXPERT RATIONALE: OSHA's current PEL for asbestos is 0.1 fiber per cubic
centimeter of air as an 8-hour TWA, established under 29 CFR 1926.1101 for
construction work.
QUESTION 4
What is the OSHA excursion limit (EL) for asbestos over a 30-minute sampling
period?
A. 0.1 f/cc
B. 0.5 f/cc
C. 2.0 f/cc
D. 1.0 f/cc
E. 0.2 f/cc
Correct Answer: D. 1.0 f/cc
EXPERT RATIONALE: OSHA sets the excursion limit at 1.0 f/cc over a 30-minute
short-term exposure period, meaning workers must not exceed this level at any
time during a work shift.
QUESTION 5
Which type of respirator provides the highest level of respiratory protection
during asbestos abatement?
A. Half-face air-purifying respirator
B. Dust mask (N95)
C. Powered air-purifying respirator (PAPR)
D. Single-use disposable respirator
E. Supplied-air respirator (SAR) in pressure-demand mode
Correct Answer: E. Supplied-air respirator (SAR) in pressure-demand mode
, EXPERT RATIONALE: Supplied-air respirators operating in pressure-demand
mode provide the highest assigned protection factor (APF of 10,000) and are
required for the most hazardous asbestos operations.
QUESTION 6
Prior to beginning an asbestos abatement project in Texas, how many days in
advance must the supervisor notify TDSHS?
A. 5 business days
B. 3 calendar days
C. 7 business days
D. 10 working days
E. 14 calendar days
Correct Answer: D. 10 working days
EXPERT RATIONALE: Texas regulations require that TDSHS be notified at least
10 working days before the start of a regulated asbestos abatement project,
allowing the agency time to schedule inspections.
QUESTION 7
What does the acronym ACM stand for in asbestos regulations?
A. Asbestos Containment Method
B. Air Contaminant Monitoring
C. Asbestos-Containing Material
D. Abatement Control Measure
E. Approved Containment Module
Correct Answer: C. Asbestos-Containing Material