Maryland Mold Remediation Contractor
Exam With Actual Questions & Correct
Answers, Plus Rationales/Expert Verified
For Guaranteed Pass 2026/Latest
Update/Instant Download Pdf
1. What is the primary purpose of mold remediation?
A. To eliminate all microorganisms
B. To restore indoor air quality and remove mold contamination
C. To repaint affected surfaces
D. To increase humidity levels
Answer: B
Rationale: Mold remediation focuses on removing
contamination and restoring a safe indoor environment, not
sterilization.
2. Which condition most commonly promotes mold growth?
A. Low humidity
B. High airflow
C. Moisture intrusion
D. Bright lighting
Answer: C
Rationale: Mold requires moisture to grow, making water
intrusion the key factor.
3. What is the first step in a mold remediation project?
A. Demolition
B. Drying materials
C. Assessment and inspection
, D. Applying biocides
Answer: C
Rationale: Proper assessment identifies the extent and cause of
contamination.
4. Which PPE is essential during mold remediation?
A. Hard hat only
B. Respirator and gloves
C. Safety boots only
D. Sunglasses
Answer: B
Rationale: Respirators and gloves protect workers from
inhalation and contact exposure.
5. What does HEPA stand for?
A. High Efficiency Particulate Air
B. High Energy Pollution Absorber
C. Hazard Elimination Processing Air
D. Heat Extraction Particle Apparatus
Answer: A
Rationale: HEPA filters capture very small particles, including
mold spores.
6. What is the acceptable indoor relative humidity to prevent mold
growth?
A. Above 80%
B. 60% or lower
C. 90%
D. 75%
Answer: B
Rationale: Keeping humidity below 60% reduces mold growth
potential.
, 7. Which material is most likely to require removal if contaminated
with mold?
A. Glass
B. Metal
C. Drywall
D. Plastic
Answer: C
Rationale: Porous materials like drywall cannot be effectively
cleaned.
8. What is the purpose of containment in remediation?
A. To increase airflow
B. To isolate contaminated areas
C. To reduce lighting
D. To store equipment
Answer: B
Rationale: Containment prevents mold spores from spreading.
9. Negative air pressure is used to:
A. Increase contamination
B. Push spores into clean areas
C. Contain airborne contaminants
D. Eliminate moisture
Answer: C
Rationale: Negative pressure keeps contaminants within the
work area.
10. Which tool measures moisture content in materials?
A. Hygrometer
B. Moisture meter
C. Thermometer
D. Barometer
Exam With Actual Questions & Correct
Answers, Plus Rationales/Expert Verified
For Guaranteed Pass 2026/Latest
Update/Instant Download Pdf
1. What is the primary purpose of mold remediation?
A. To eliminate all microorganisms
B. To restore indoor air quality and remove mold contamination
C. To repaint affected surfaces
D. To increase humidity levels
Answer: B
Rationale: Mold remediation focuses on removing
contamination and restoring a safe indoor environment, not
sterilization.
2. Which condition most commonly promotes mold growth?
A. Low humidity
B. High airflow
C. Moisture intrusion
D. Bright lighting
Answer: C
Rationale: Mold requires moisture to grow, making water
intrusion the key factor.
3. What is the first step in a mold remediation project?
A. Demolition
B. Drying materials
C. Assessment and inspection
, D. Applying biocides
Answer: C
Rationale: Proper assessment identifies the extent and cause of
contamination.
4. Which PPE is essential during mold remediation?
A. Hard hat only
B. Respirator and gloves
C. Safety boots only
D. Sunglasses
Answer: B
Rationale: Respirators and gloves protect workers from
inhalation and contact exposure.
5. What does HEPA stand for?
A. High Efficiency Particulate Air
B. High Energy Pollution Absorber
C. Hazard Elimination Processing Air
D. Heat Extraction Particle Apparatus
Answer: A
Rationale: HEPA filters capture very small particles, including
mold spores.
6. What is the acceptable indoor relative humidity to prevent mold
growth?
A. Above 80%
B. 60% or lower
C. 90%
D. 75%
Answer: B
Rationale: Keeping humidity below 60% reduces mold growth
potential.
, 7. Which material is most likely to require removal if contaminated
with mold?
A. Glass
B. Metal
C. Drywall
D. Plastic
Answer: C
Rationale: Porous materials like drywall cannot be effectively
cleaned.
8. What is the purpose of containment in remediation?
A. To increase airflow
B. To isolate contaminated areas
C. To reduce lighting
D. To store equipment
Answer: B
Rationale: Containment prevents mold spores from spreading.
9. Negative air pressure is used to:
A. Increase contamination
B. Push spores into clean areas
C. Contain airborne contaminants
D. Eliminate moisture
Answer: C
Rationale: Negative pressure keeps contaminants within the
work area.
10. Which tool measures moisture content in materials?
A. Hygrometer
B. Moisture meter
C. Thermometer
D. Barometer
