Exam –Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. What is the primary purpose of a mold remediation contractor?
a) Inspecting HVAC systems
b) Cleaning carpets
c) Removing and controlling mold contamination
d) Painting walls
The main role of a mold remediation contractor is to safely remove
and control mold growth to prevent health risks and property
damage.
2. Which of the following is a common sign of mold growth in a
building?
a) Faded paint
b) Musty odors
c) Cracked tiles
d) Loose insulation
Musty odors are often produced by mold colonies and are an early
indicator of contamination.
3. What is the minimum personal protective equipment (PPE)
required when performing mold remediation in most situations?
a) Gloves only
, b) Gloves, N95 respirator, and protective clothing
c) Hard hat and safety glasses
d) Ear protection
Proper PPE protects workers from inhalation of mold spores and
skin contact with contaminants.
4. Which type of mold is considered most hazardous and requires
special handling?
a) Cladosporium
b) Stachybotrys chartarum
c) Penicillium
d) Aspergillus niger
Stachybotrys chartarum, also known as black mold, can produce
mycotoxins that pose serious health risks.
5. Before remediation, what is essential to identify in the building?
a) Electrical outlets
b) Sources of moisture
c) Furniture placement
d) Window orientation
Moisture is the primary cause of mold growth; identifying and
controlling it prevents recurrence.
6. Which method is commonly used to contain mold during
remediation?
a) Open windows for ventilation
b) Physical barriers and negative air pressure
c) Use of fans to blow spores outside
d) Spraying water on mold
, Physical containment prevents mold spores from spreading to
unaffected areas.
7. What is the purpose of using a HEPA vacuum in mold
remediation?
a) To remove dirt from walls
b) To capture airborne mold spores
c) To dry wet surfaces
d) To disinfect surfaces
HEPA vacuums trap fine particles, including mold spores,
preventing them from spreading.
8. How should contaminated materials that cannot be cleaned be
handled?
a) Left in place
b) Washed with water
c) Removed and disposed of properly
d) Painted over
Non-salvageable materials must be removed to prevent ongoing
mold growth.
9. What is the typical first step in a mold remediation project?
a) Applying antimicrobial treatments
b) Assessing the site and planning containment
c) Removing furniture
d) Spraying bleach
Site assessment ensures a safe and effective remediation plan.
10. When should moisture mitigation be performed during
remediation?
a) After remediation is complete