IICRC – AMRT Exam Questions with Well Elaborated Answers
Latest Update 2025
S500 (Water) // S520 (Mold) // NY City Guidelines
In general, which remediation guidelines/standards should a remediator be
familiar with?
S520 Standard for Professional Mold Remediation
The industry standard of care document for mold remediation contractors
is...?
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
What does "normal fungal ecology" mean?
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
Describe a Condition 2
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
Describe a Condition 3
Yes
Do you find settled spores in indoor environments with no complaints?
CONDITION 2 (SETTLED SPORES HAVE AN UNUSUAL DISTRIBUTION)
What are "settled spores" according to the S520?
Should
, IICRC – AMRT Exam Questions with Well Elaborated Answers
Latest Update 2025
The Trigger language term that defines the "standard of care" in the S500
and S520 is...?
Shall
The Trigger language term that defines mandatory or regulatory requirements
(S500 & S520) is?
recommended
The trigger language term that defines advised or suggested (S500 & S520)
is...?
Complexities
How are situations referred to in the S500 and S520 that make a project
more difficult or detailed, but the project can still be performed?
Complications
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?
Limitations
How are situations referred to in the S500 and S520 that limit the scope
and remediation activities?
No
Are there federal mold remediation regulations in the US or Canada?
Workers health, other occupants, unaffected area, HVAC system
What are we trying to protect in a microbial remediation project?
Identify and eliminate the water source
What should be the first step in a microbial remediation project?
, IICRC – AMRT Exam Questions with Well Elaborated Answers
Latest Update 2025
Ability of people to reocc
What is the ultimate cleaning criterion (according to the ACGIH Bioaerosols)
Methods and procedures that we implement to protect the worker & occupants
& HVAC system
What does engineering control mean?
Isolation with Containment, Airflow Management, HEPA filtration and
controlled demolition methods
Name Engineering Controls
PPE
What is not an engineering control?
One millionth of a meter
What is the definition of a micron?
DIGITAL MONOMETER
How can evaluate and test an air flow and a pressure differential?
High Efficiency Particulate Air
What does the acronym HEPA stand for?
removes 99.97% of particulate matter of 0.3 microns and larger
WHAT IS THE DEFINITION OF HEPA FILTRATION?
Isolation of work area, managing air flow and controlled demolition
What are the three main principles used for protecting people and
unaffected environments?
Latest Update 2025
S500 (Water) // S520 (Mold) // NY City Guidelines
In general, which remediation guidelines/standards should a remediator be
familiar with?
S520 Standard for Professional Mold Remediation
The industry standard of care document for mold remediation contractors
is...?
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
What does "normal fungal ecology" mean?
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
Describe a Condition 2
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
Describe a Condition 3
Yes
Do you find settled spores in indoor environments with no complaints?
CONDITION 2 (SETTLED SPORES HAVE AN UNUSUAL DISTRIBUTION)
What are "settled spores" according to the S520?
Should
, IICRC – AMRT Exam Questions with Well Elaborated Answers
Latest Update 2025
The Trigger language term that defines the "standard of care" in the S500
and S520 is...?
Shall
The Trigger language term that defines mandatory or regulatory requirements
(S500 & S520) is?
recommended
The trigger language term that defines advised or suggested (S500 & S520)
is...?
Complexities
How are situations referred to in the S500 and S520 that make a project
more difficult or detailed, but the project can still be performed?
Complications
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?
Limitations
How are situations referred to in the S500 and S520 that limit the scope
and remediation activities?
No
Are there federal mold remediation regulations in the US or Canada?
Workers health, other occupants, unaffected area, HVAC system
What are we trying to protect in a microbial remediation project?
Identify and eliminate the water source
What should be the first step in a microbial remediation project?
, IICRC – AMRT Exam Questions with Well Elaborated Answers
Latest Update 2025
Ability of people to reocc
What is the ultimate cleaning criterion (according to the ACGIH Bioaerosols)
Methods and procedures that we implement to protect the worker & occupants
& HVAC system
What does engineering control mean?
Isolation with Containment, Airflow Management, HEPA filtration and
controlled demolition methods
Name Engineering Controls
PPE
What is not an engineering control?
One millionth of a meter
What is the definition of a micron?
DIGITAL MONOMETER
How can evaluate and test an air flow and a pressure differential?
High Efficiency Particulate Air
What does the acronym HEPA stand for?
removes 99.97% of particulate matter of 0.3 microns and larger
WHAT IS THE DEFINITION OF HEPA FILTRATION?
Isolation of work area, managing air flow and controlled demolition
What are the three main principles used for protecting people and
unaffected environments?
