IICRC AMRT 2026 EXAM ACTUAL QUESTIONS AND
SOLUTIONS RATED A+
✔✔The size and kind of the job - ✔✔What determines the number of decon chambers
in a microbial remediation project?
✔✔Prevents cross contamination // reduces work exposures // protect unaffected area //
help HVAC system // protects occupants - ✔✔Managed air flow has which benefits?
✔✔Air Filtration Device - ✔✔What does AFD stand for?
✔✔Cubic Feet per Minute - ✔✔AFDs are rated by what parameter?
✔✔Air changes per hour - ✔✔What does ACH stand for?
✔✔288 CFM - ✔✔Calculate what AFD size is needed to create 4 air exchanges in a
room 18 x 30 x 8 foot.
✔✔5.5 ≈ 6 (round up for CFM) - ✔✔How many AFD's (rated at 1800CFM) are needed
to create 6ACH in a 150 x 60 x 11 foot structure?
✔✔37.5 ≈ 37 (round down for ACH) - ✔✔A scrubber rated at 1000CFM is placed in a 20
x 10 x 8 foot room. How many ACH's are created?
✔✔Seal intake with poly and tape - ✔✔What should be done to prevent spore release
from AFD's when shutting them down, transporting and storing them?
✔✔Glue is toxic and flammable - ✔✔Why use spray adhesion (glue) cautiously?
✔✔Create a moisture barrier // has to be big enough to work in but small enough to
clean // has to be strong enough // must drive make up through the filter // design where
entry & exit are in a practical and safe way // use signage // - ✔✔What do we need to
consider when setting up negative pressure containments with plastic sheeting?
✔✔Abrasive methods (media lifting, blasting, sanding) - ✔✔How do you treat moldy
wood framing?
✔✔The machine stays running - ✔✔How do we change primary and secondary AFD air
filters inside the containment?
✔✔Ducting - ✔✔What reduces an AFD's CFM rate?
✔✔Collapses - ✔✔What can too much pressure do to your containment?
, ✔✔In conspicuous area - ✔✔Where do you place warning signs?
✔✔We have to know where the make-up air comes from - ✔✔What is important about
the make-up air of the managed air flow?
✔✔Source - ✔✔What type of containment is used for small areas of microbial
contamination?
✔✔The utilization of the entire room or building // combination of critical barriers and
negative pressure - ✔✔Describe a full scale containment.
✔✔both - ✔✔Where can NAMs be placed, inside or outside the containment?
✔✔Call supervisor, make sure it goes in job file, and then re-establish negative air (tip -
ask your customer why they turned it off) - ✔✔What do you do when discovering the
NAM is turned off?
✔✔airborne particles that are living or originate from living organisms - ✔✔What are
Bioaerosols?
✔✔capable of germination - ✔✔What does viable mean?
✔✔disease causing organisms - ✔✔What does pathogenic mean?
✔✔development of hyphae and mycelia - ✔✔What is fungal colonization?
✔✔2-3 microns - ✔✔What is the size of Penicillium spores?
✔✔<5 microns - ✔✔What size particles can enter deeply into the lungs (respirable)?
✔✔No - ✔✔Are all molds bad for us?
✔✔Germination // colonization // sporulation // dissemination - ✔✔Name the growth
cycles of molds and describe what happens in each phase.
✔✔soil - ✔✔Where is the natural home base of molds/mold spores in the outdoor
environment?
✔✔excrete enzymes to digest the food source (substrate) and then they absorb -
✔✔How do fungi obtain their nutrients?
✔✔ubiquitous (anywhere and everywhere) - ✔✔Where do we find mold spores?
SOLUTIONS RATED A+
✔✔The size and kind of the job - ✔✔What determines the number of decon chambers
in a microbial remediation project?
✔✔Prevents cross contamination // reduces work exposures // protect unaffected area //
help HVAC system // protects occupants - ✔✔Managed air flow has which benefits?
✔✔Air Filtration Device - ✔✔What does AFD stand for?
✔✔Cubic Feet per Minute - ✔✔AFDs are rated by what parameter?
✔✔Air changes per hour - ✔✔What does ACH stand for?
✔✔288 CFM - ✔✔Calculate what AFD size is needed to create 4 air exchanges in a
room 18 x 30 x 8 foot.
✔✔5.5 ≈ 6 (round up for CFM) - ✔✔How many AFD's (rated at 1800CFM) are needed
to create 6ACH in a 150 x 60 x 11 foot structure?
✔✔37.5 ≈ 37 (round down for ACH) - ✔✔A scrubber rated at 1000CFM is placed in a 20
x 10 x 8 foot room. How many ACH's are created?
✔✔Seal intake with poly and tape - ✔✔What should be done to prevent spore release
from AFD's when shutting them down, transporting and storing them?
✔✔Glue is toxic and flammable - ✔✔Why use spray adhesion (glue) cautiously?
✔✔Create a moisture barrier // has to be big enough to work in but small enough to
clean // has to be strong enough // must drive make up through the filter // design where
entry & exit are in a practical and safe way // use signage // - ✔✔What do we need to
consider when setting up negative pressure containments with plastic sheeting?
✔✔Abrasive methods (media lifting, blasting, sanding) - ✔✔How do you treat moldy
wood framing?
✔✔The machine stays running - ✔✔How do we change primary and secondary AFD air
filters inside the containment?
✔✔Ducting - ✔✔What reduces an AFD's CFM rate?
✔✔Collapses - ✔✔What can too much pressure do to your containment?
, ✔✔In conspicuous area - ✔✔Where do you place warning signs?
✔✔We have to know where the make-up air comes from - ✔✔What is important about
the make-up air of the managed air flow?
✔✔Source - ✔✔What type of containment is used for small areas of microbial
contamination?
✔✔The utilization of the entire room or building // combination of critical barriers and
negative pressure - ✔✔Describe a full scale containment.
✔✔both - ✔✔Where can NAMs be placed, inside or outside the containment?
✔✔Call supervisor, make sure it goes in job file, and then re-establish negative air (tip -
ask your customer why they turned it off) - ✔✔What do you do when discovering the
NAM is turned off?
✔✔airborne particles that are living or originate from living organisms - ✔✔What are
Bioaerosols?
✔✔capable of germination - ✔✔What does viable mean?
✔✔disease causing organisms - ✔✔What does pathogenic mean?
✔✔development of hyphae and mycelia - ✔✔What is fungal colonization?
✔✔2-3 microns - ✔✔What is the size of Penicillium spores?
✔✔<5 microns - ✔✔What size particles can enter deeply into the lungs (respirable)?
✔✔No - ✔✔Are all molds bad for us?
✔✔Germination // colonization // sporulation // dissemination - ✔✔Name the growth
cycles of molds and describe what happens in each phase.
✔✔soil - ✔✔Where is the natural home base of molds/mold spores in the outdoor
environment?
✔✔excrete enzymes to digest the food source (substrate) and then they absorb -
✔✔How do fungi obtain their nutrients?
✔✔ubiquitous (anywhere and everywhere) - ✔✔Where do we find mold spores?
