Technician
Final Exam Review
(Questions & Solutions)
2025
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, 1. Industry Standards & Guidelines
Question 1: Which industry standard is most commonly referenced for
professional mold remediation?
A. IICRC S500
B. IICRC S520
C. EPA 402
D. OSHA Mold Guide
ANS: B
Rationale: The IICRC S520 Standard for Professional Mold Remediation
is the industry standard of care document specifically designed for mold
remediation contractors, outlining best practices and remediation
procedures.
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Question 2: In sewage remediation, which document is most critical for
guiding safe and effective procedures?
A. IICRC S500
B. IICRC S520
C. IICRC S540
D. IICRC S600
ANS: C
Rationale: IICRC S540 provides comprehensive guidelines for sewage
and biohazard remediation, addressing unique considerations for
handling contaminated water and waste in remediation projects.
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Question 3: Which supplementary standard is essential for remediators
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,to understand when working on moisture-related issues?
A. ANSI Z117.1
B. IICRC S500
C. IICRC S520
D. NFPA 70
ANS: B
Rationale: IICRC S500 (Water Damage Restoration) is crucial for
understanding the water damage component that often initiates mold
growth, thereby linking moisture control with effective mold
remediation.
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2. Remediation Procedures & Engineering Controls
Question 4: What is the primary purpose of establishing containment
during mold remediation?
A. To confine contaminated materials for easy disposal
B. To prevent cross contamination to unaffected areas
C. To facilitate faster demolition work
D. To reduce overall cleanup costs
ANS: B
Rationale: Proper containment prevents airborne mold spores or
contaminants from spreading to adjacent areas, thus protecting
unaffected surfaces and maintaining a safe work environment.
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Question 5: In a typical containment setup, which of the following
elements is an essential engineering control?
A. HEPA filtration unit
B. Negative air machine
C. Both A and B
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, D. Positive pressure fan
ANS: C
Rationale: A HEPA filtration unit and a negative air machine together
establish controlled airflow and remove contaminants, which are critical
to ensuring effective containment during remediation.
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Question 6: When isolating HVAC systems during remediation, the
primary goal is to:
A. Enhance energy efficiency
B. Prevent spore migration and cross contamination
C. Seal off unused ducts permanently
D. Lower repair costs
ANS: B
Rationale: Isolating HVAC systems helps prevent the spread of mold
spores and contaminants through ducts, a key step in controlling indoor
environmental quality (IEQ) during remediation.
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Question 7: A common form of plastic sheeting used for containment
must be of what minimum thickness?
A. 2-mil
B. 4–6 mil
C. 8–10 mil
D. 12–15 mil
ANS: B
Rationale: Remediators typically use 4- or 6-mil plastic sheeting, which
offers a balance between flexibility, durability, and resistance to tearing
while maintaining proper containment integrity.
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