Exam (IICRC Applied Microbial
Remediation Technician – AMRT)
Questions And Correct Answers With
Rationales 2026
1. What is the primary goal of mold remediation?
A. Kill all mold spores
B. Remove mold contamination and correct moisture conditions
C. Improve indoor air fragrance
D. Paint over affected areas
The goal of remediation is to remove contamination and fix moisture
sources, not to eliminate all spores which are naturally present.
2. Which organization publishes the S520 Standard for Professional Mold
Remediation?
, A. OSHA
B. EPA
C. IICRC
D. CDC
The IICRC develops the S520 standard that guides mold remediation
practices.
3. Mold growth requires which three basic conditions?
A. Heat, dust, light
B. Moisture, nutrients, suitable temperature
C. Oxygen, pressure, light
D. Airflow, water, chemicals
Mold grows when moisture, organic material, and appropriate
temperature are present.
4. Which material is MOST likely to support mold growth?
A. Glass
B. Metal
C. Drywall
D. Plastic
Drywall contains paper facing, an organic material that supports mold
growth.
, 5. What is the first step when responding to a mold-contaminated
structure?
A. Apply antimicrobial chemicals
B. Begin demolition
C. Perform a site assessment
D. Install air scrubbers
A proper assessment identifies moisture sources, extent of contamination,
and safety concerns.
6. Which category best describes mold contamination confined to a small
area?
A. Condition 3
B. Condition 1
C. Condition 2
D. Condition 4
Condition 1 describes small, isolated mold growth with minimal impact.
7. Condition 3 mold contamination is best described as:
A. Minor growth on clean surfaces
B. Settled spores only
, C. Extensive visible and hidden mold growth
D. No contamination
Condition 3 involves widespread and often hidden mold amplification.
8. Why is moisture control critical in mold remediation?
A. Improves odor
B. Speeds demolition
C. Prevents mold regrowth
D. Increases airflow
Without controlling moisture, mold will return regardless of cleaning
efforts.
9. What type of PPE is MINIMUM for most mold remediation projects?
A. Surgical mask
B. Cotton gloves
C. Respiratory protection, gloves, and eye protection
D. Hard hat only
Basic PPE protects workers from inhalation and contact exposure.
10. Which respirator is commonly recommended for mold
remediation?