IICRC - AMRT Exam Most Recent Exam 2026 Actual
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How are situations referred to in the S500 and S520 that
make a project more intricate or complex after the start,
but the project can still be performed with a change in
scope? - Answer-Complications
How are situations referred to in the S500 and S520 that
limit the scope and remediation activities? - Answer-
Limitations
Are there federal mold remediation regulations in the US
or Canada? - Answer-No
What are we trying to protect in a microbial remediation
project? - Answer-Workers health, other occupants,
unaffected area, HVAC system
What should be the first step in a microbial remediation
project? - Answer-Identify and eliminate the water source
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What is the ultimate cleaning criterion (according to the
ACGIH Bioaerosols) - Answer-Ability of people to reocc
What does engineering control mean? - Answer-Methods
and procedures that we implement to protect the worker &
occupants & HVAC system
Name Engineering Controls - Answer-Isolation with
Containment, Airflow Management, HEPA filtration and
controlled demolition methods
What is not an engineering control? - Answer-PPE
What is the definition of a micron? - Answer-One millionth
of a meter
How can evaluate and test an air flow and a pressure
differential? - Answer-DIGITAL MONOMETER
What does the acronym HEPA stand for? - Answer-High
Efficiency Particulate Air
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WHAT IS THE DEFINITION OF HEPA FILTRATION? -
Answer-removes 99.97% of particulate matter of 0.3
microns and larger
What are the three main principles used for protecting
people and unaffected environments? - Answer-Isolation
of work area, managing air flow and controlled demolition
What are the goals in a microbial remediation project for
the remediator and IEP (Indoor Environmental
Professional)? - Answer-Preloss conditions // safe &
sanitary // Condition 1 - normal fungal ecology
What factors are necessary for mold growth to occur? -
Answer-Water source
What is the best way to prevent mold growth in a building?
- Answer-Keep building dry and when wet, dry immediately
and expediently
What can create odors in wet buildings? - Answer-Wet
building materials
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Define positive pressure in a space? - Answer-When air is
supplied to a space than taken out
Define negative pressure in a space? - Answer-When air
is taken out of the space
In general, which remediation guidelines/standards should
a remediator be familiar with? - Answer-S500 (Water) //
S520 (Mold) // NY City Guidelines
The industry standard of care document for mold
remediation contractors is...? - Answer-S520 Standard for
Professional Mold Remediation
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
Describe a Condition 2 - Answer-Indoor environment
which is primarily contaminated with settled spores that