IICRC AMRT (Applied Microbial Remediation)
EXAM STUDY GUIDE 2025/2026 COMPLETE
QUESTIONS WITH VERIFIED CORRECT
ANSWERS || 100% GUARANTEED PASS
<NEWEST VERSION>
1. In general, which remediation guidelines/standards should a remediator be
familiar with? - ANSWER ✔ S500 (Water) // S520 (Mold) // NY City
Guidelines
2. The industry standard of care document for mold remediation contractors
is...? - ANSWER ✔ S520 Standard for Professional Mold Remediation
3. What does "normal fungal ecology" mean? - ANSWER ✔ Condition 1 //
Normal or uncontaminated building or items // Indoor environment that may
have settled spores, fungal fragments whose identity; location and quantity
are reflective of a normal fungal ecology for a similar indoor environment //
no treatment necessary
4. Describe a Condition 2 - ANSWER ✔ Indoor environment which is
primarily contaminated with settled spores that were dispersed directly or
indirectly from a condition 3 area // Spores landed on indoor surfaces or are
suspended in the air but are not actively growing // HEPA vacuuming or
damp wiping
5. Describe a Condition 3 - ANSWER ✔ Indoor environment contaminated
with the presence of actual mold growth and associated spores // Actual
growth includes growth that is active or dormant, visible or hidden
,6. Endotoxins are created by cell fragments of mold spores. TRUE/FALSE -
ANSWER ✔ FALSE
7. Yeast is a fungus. TRUE/FALSE - ANSWER ✔ TRUE
8. Endotoxins create the typical musty odors. TRUE/FALSE - ANSWER ✔
FALSE
9. Common mold exposure symptoms are nonspecific and include recurrent
colds, coughing, headaches, burning eyes, fatigue and heart attack. TRUE /
FALSE - ANSWER ✔ FALSE
10.What engineering control should be maximized during demolition? -
ANSWER ✔ controlled demolition
11.What can we do to effectively remove moldy carpet from a room avoiding
cross-contamination? - ANSWER ✔ cutting carpet in manageable pieces,
and bag immediately
12.What does PPE stand for? - ANSWER ✔ Personal Protective Equipment
13.What is the sequence in taking PPE off? - ANSWER ✔ SuGaR Suit Gloves
Respirator
14.Client turned AFD off overnight. What do you do - ANSWER ✔ turn it back
on (re-establish negative air) let manager know
,15.How do you clean up a Condition 2 inside a wall cavity? - ANSWER ✔
HEPA vac & damp wipe
16.What is the treatment for moldy drywall? - ANSWER ✔ remove and discard
17.What is the treatment for moldy lumber in a wall cavity? - ANSWER ✔
abrasive methods followed by HEPA vacuuming
18.Why can HEPA vacuuming inside the containment in the morning be
helpful? - ANSWER ✔ we remove the spores that settled overnight
19.What is FIFRA? - ANSWER ✔ Federal Insecticide, Fungicide, and
Rodenticide Act - oversee EPA registered products
20.What is the concern of mixing bleach with ammonia? - ANSWER ✔ release
of toxic gases
21.What is the best preventative for mold contamination? - ANSWER ✔ clean
and dry environment
22.What should the remediator do prior to using any tool or equipment? -
ANSWER ✔ follow manufacturer's instructions
23.How often should the pre-filters be changed on an AFD? - ANSWER ✔ up
to 3-4 times per day during removal, and 1 time during cleaning
, 24.What is the process the remediator should follow when changing the pre-
filters on the AFD? - ANSWER ✔ replace while on
25.What are the concerns when attaching accessories or ducting to a NAM? -
ANSWER ✔ reduction of CFM
26.testing procedure that can be used to check the efficiency of the HEPA filter
- ANSWER ✔ DOP testing
27.tool used to perform the DOP testing - ANSWER ✔ laser particulate counter
28.What tools can be used - ANSWER ✔ anemometer
29.What should the remediator do when there is a concern of health effects? -
ANSWER ✔ Recommend use of IEP
Recommend occupant consult with care physician
30.unrelated damages to current project
ex. previous water damage, previous structural damage - ANSWER ✔ pre-
existing damage
31.procedural guidelines that the remediator should follow - ANSWER ✔
ANSI/IICRC S500 and S520
32.a problem is found, but work can still begin - ANSWER ✔ complexity
EXAM STUDY GUIDE 2025/2026 COMPLETE
QUESTIONS WITH VERIFIED CORRECT
ANSWERS || 100% GUARANTEED PASS
<NEWEST VERSION>
1. In general, which remediation guidelines/standards should a remediator be
familiar with? - ANSWER ✔ S500 (Water) // S520 (Mold) // NY City
Guidelines
2. The industry standard of care document for mold remediation contractors
is...? - ANSWER ✔ S520 Standard for Professional Mold Remediation
3. What does "normal fungal ecology" mean? - ANSWER ✔ Condition 1 //
Normal or uncontaminated building or items // Indoor environment that may
have settled spores, fungal fragments whose identity; location and quantity
are reflective of a normal fungal ecology for a similar indoor environment //
no treatment necessary
4. Describe a Condition 2 - ANSWER ✔ Indoor environment which is
primarily contaminated with settled spores that were dispersed directly or
indirectly from a condition 3 area // Spores landed on indoor surfaces or are
suspended in the air but are not actively growing // HEPA vacuuming or
damp wiping
5. Describe a Condition 3 - ANSWER ✔ Indoor environment contaminated
with the presence of actual mold growth and associated spores // Actual
growth includes growth that is active or dormant, visible or hidden
,6. Endotoxins are created by cell fragments of mold spores. TRUE/FALSE -
ANSWER ✔ FALSE
7. Yeast is a fungus. TRUE/FALSE - ANSWER ✔ TRUE
8. Endotoxins create the typical musty odors. TRUE/FALSE - ANSWER ✔
FALSE
9. Common mold exposure symptoms are nonspecific and include recurrent
colds, coughing, headaches, burning eyes, fatigue and heart attack. TRUE /
FALSE - ANSWER ✔ FALSE
10.What engineering control should be maximized during demolition? -
ANSWER ✔ controlled demolition
11.What can we do to effectively remove moldy carpet from a room avoiding
cross-contamination? - ANSWER ✔ cutting carpet in manageable pieces,
and bag immediately
12.What does PPE stand for? - ANSWER ✔ Personal Protective Equipment
13.What is the sequence in taking PPE off? - ANSWER ✔ SuGaR Suit Gloves
Respirator
14.Client turned AFD off overnight. What do you do - ANSWER ✔ turn it back
on (re-establish negative air) let manager know
,15.How do you clean up a Condition 2 inside a wall cavity? - ANSWER ✔
HEPA vac & damp wipe
16.What is the treatment for moldy drywall? - ANSWER ✔ remove and discard
17.What is the treatment for moldy lumber in a wall cavity? - ANSWER ✔
abrasive methods followed by HEPA vacuuming
18.Why can HEPA vacuuming inside the containment in the morning be
helpful? - ANSWER ✔ we remove the spores that settled overnight
19.What is FIFRA? - ANSWER ✔ Federal Insecticide, Fungicide, and
Rodenticide Act - oversee EPA registered products
20.What is the concern of mixing bleach with ammonia? - ANSWER ✔ release
of toxic gases
21.What is the best preventative for mold contamination? - ANSWER ✔ clean
and dry environment
22.What should the remediator do prior to using any tool or equipment? -
ANSWER ✔ follow manufacturer's instructions
23.How often should the pre-filters be changed on an AFD? - ANSWER ✔ up
to 3-4 times per day during removal, and 1 time during cleaning
, 24.What is the process the remediator should follow when changing the pre-
filters on the AFD? - ANSWER ✔ replace while on
25.What are the concerns when attaching accessories or ducting to a NAM? -
ANSWER ✔ reduction of CFM
26.testing procedure that can be used to check the efficiency of the HEPA filter
- ANSWER ✔ DOP testing
27.tool used to perform the DOP testing - ANSWER ✔ laser particulate counter
28.What tools can be used - ANSWER ✔ anemometer
29.What should the remediator do when there is a concern of health effects? -
ANSWER ✔ Recommend use of IEP
Recommend occupant consult with care physician
30.unrelated damages to current project
ex. previous water damage, previous structural damage - ANSWER ✔ pre-
existing damage
31.procedural guidelines that the remediator should follow - ANSWER ✔
ANSI/IICRC S500 and S520
32.a problem is found, but work can still begin - ANSWER ✔ complexity
