IICRC AMRT EXAM (ACTUAL 2025) QUESTIONS
AND ANSWERS.
excrete enzymes to digest the food source (substrate) and then
they absorb - <<<Answers>>>>How do fungi obtain their
nutrients?
ubiquitous (anywhere and everywhere) -
<<<Answers>>>>Where do we find mold spores?
Microbial Volatile Organic Compounds (MVOC) -
<<<Answers>>>>What causes the typical musty or earth
odor?
microbial amplification, meaning incomplete remediation -
<<<Answers>>>>What does a musty odor indicate?
a contact/dwell time concentration level and right PH //
contact time ranges between 10 and 30 minutes // the surface
has to be cleaned - <<<Answers>>>>What is required for
biocides to work effectively with a high kill rate?
applicant must use PPE // don't spray into HVAC system or
occupied buildings // always use the label instructions *but
not dwell time) // consider sensitivities of occupants // its
toxic for chemicals & pets // it can dull brass panels when we
do a wipe down - <<<Answers>>>>When using biocides
what should you consider and what are the basic precautions?
,IICRC AMRT EXAM (ACTUAL 2025) QUESTIONS
AND ANSWERS.
after the cleaning of all surfaces has been completed -
<<<Answers>>>>When is the biocide application performed
to achieve a sanitary state of the remaining building
materials?
TRUE - <<<Answers>>>>Biocide applications are
discouraged in mold remediation Projects. TRUE or FALSE.
TRUE - <<<Answers>>>>Biocides can be used as an
engineering control to reduce employee's exposure to
infectious agents in sewage remediation. TRUE or FALSE.
gram negative bacterias & the infectious agents (virus,
parasites, bacterial) // it can cause acute infections and chronic
illness - <<<Answers>>>>Why is a sewage back flow a
significant health concern?
bacteria // parasites // viruses - <<<Answers>>>>Name 3
groups of microorganisms associated with sewage backflow.
gram-negative - <<<Answers>>>>Which 'Gram" group of
bacteria is mainly present in sewage back flows?
E-Coli - <<<Answers>>>>Name common bacteria associated
with sewage:
,IICRC AMRT EXAM (ACTUAL 2025) QUESTIONS
AND ANSWERS.
hepatitis A // rotavirus (life threatening diarrhea in children) //
adenoviruses - <<<Answers>>>>Name some viruses
potentially present in sewage backflows:
bacteria // parasites // viruses - <<<Answers>>>>Name the
primary biohazards associated with sewage backflows:
No - <<<Answers>>>>When sewage penetrates deeply into
porous building material - can they be restored?
the wood flooring needs to be removed and discarded to gain
access to be able to decontaminate the subfloor materials -
<<<Answers>>>>Sewage gets under wood flooring -what
needs to be done?
into the sanitary system, unless regulated otherwise -
<<<Answers>>>>Where do you dispose the effluent?
initial inspection to determine extent and degree // HVAC //
isolate // extract // clean all surfaces // apply biocide // drying -
<<<Answers>>>>Name a rough sequence of procedures for a
sewage remediation?
procedures & equipment should not contaminate the
unaffected areas - <<<Answers>>>>What do we have to
make sure when cleaning the affected area?
, IICRC AMRT EXAM (ACTUAL 2025) QUESTIONS
AND ANSWERS.
low pressure flushing (20-60PSI) - <<<Answers>>>>How do
we clean hard to reach affected areas like under sill plates?
E-Coli - <<<Answers>>>>What organism is usually tested
for in a sewage clearance?
effluent extraction // limited soil removal // enzyme treatment
// aeration // ventilated ground cover // negative pressure
differential // random soils gas mat system -
<<<Answers>>>>What is a safe and effective way to address
sewage in crawlspaces?
if it had physical contact with sewage -
<<<Answers>>>>What determines that contents are treated,
cleaned or discarded?
infectious and disease causing agents and organisms -
<<<Answers>>>>Attempts to salvage porous materials with
sewage contamination can expose us and the occupants to
what type of agent?
sanitary conditions - <<<Answers>>>>What is the cleaning
goal?
AND ANSWERS.
excrete enzymes to digest the food source (substrate) and then
they absorb - <<<Answers>>>>How do fungi obtain their
nutrients?
ubiquitous (anywhere and everywhere) -
<<<Answers>>>>Where do we find mold spores?
Microbial Volatile Organic Compounds (MVOC) -
<<<Answers>>>>What causes the typical musty or earth
odor?
microbial amplification, meaning incomplete remediation -
<<<Answers>>>>What does a musty odor indicate?
a contact/dwell time concentration level and right PH //
contact time ranges between 10 and 30 minutes // the surface
has to be cleaned - <<<Answers>>>>What is required for
biocides to work effectively with a high kill rate?
applicant must use PPE // don't spray into HVAC system or
occupied buildings // always use the label instructions *but
not dwell time) // consider sensitivities of occupants // its
toxic for chemicals & pets // it can dull brass panels when we
do a wipe down - <<<Answers>>>>When using biocides
what should you consider and what are the basic precautions?
,IICRC AMRT EXAM (ACTUAL 2025) QUESTIONS
AND ANSWERS.
after the cleaning of all surfaces has been completed -
<<<Answers>>>>When is the biocide application performed
to achieve a sanitary state of the remaining building
materials?
TRUE - <<<Answers>>>>Biocide applications are
discouraged in mold remediation Projects. TRUE or FALSE.
TRUE - <<<Answers>>>>Biocides can be used as an
engineering control to reduce employee's exposure to
infectious agents in sewage remediation. TRUE or FALSE.
gram negative bacterias & the infectious agents (virus,
parasites, bacterial) // it can cause acute infections and chronic
illness - <<<Answers>>>>Why is a sewage back flow a
significant health concern?
bacteria // parasites // viruses - <<<Answers>>>>Name 3
groups of microorganisms associated with sewage backflow.
gram-negative - <<<Answers>>>>Which 'Gram" group of
bacteria is mainly present in sewage back flows?
E-Coli - <<<Answers>>>>Name common bacteria associated
with sewage:
,IICRC AMRT EXAM (ACTUAL 2025) QUESTIONS
AND ANSWERS.
hepatitis A // rotavirus (life threatening diarrhea in children) //
adenoviruses - <<<Answers>>>>Name some viruses
potentially present in sewage backflows:
bacteria // parasites // viruses - <<<Answers>>>>Name the
primary biohazards associated with sewage backflows:
No - <<<Answers>>>>When sewage penetrates deeply into
porous building material - can they be restored?
the wood flooring needs to be removed and discarded to gain
access to be able to decontaminate the subfloor materials -
<<<Answers>>>>Sewage gets under wood flooring -what
needs to be done?
into the sanitary system, unless regulated otherwise -
<<<Answers>>>>Where do you dispose the effluent?
initial inspection to determine extent and degree // HVAC //
isolate // extract // clean all surfaces // apply biocide // drying -
<<<Answers>>>>Name a rough sequence of procedures for a
sewage remediation?
procedures & equipment should not contaminate the
unaffected areas - <<<Answers>>>>What do we have to
make sure when cleaning the affected area?
, IICRC AMRT EXAM (ACTUAL 2025) QUESTIONS
AND ANSWERS.
low pressure flushing (20-60PSI) - <<<Answers>>>>How do
we clean hard to reach affected areas like under sill plates?
E-Coli - <<<Answers>>>>What organism is usually tested
for in a sewage clearance?
effluent extraction // limited soil removal // enzyme treatment
// aeration // ventilated ground cover // negative pressure
differential // random soils gas mat system -
<<<Answers>>>>What is a safe and effective way to address
sewage in crawlspaces?
if it had physical contact with sewage -
<<<Answers>>>>What determines that contents are treated,
cleaned or discarded?
infectious and disease causing agents and organisms -
<<<Answers>>>>Attempts to salvage porous materials with
sewage contamination can expose us and the occupants to
what type of agent?
sanitary conditions - <<<Answers>>>>What is the cleaning
goal?
