2026 IICRC AMRT PAPER LATEST QUESTIONS
AND ANSWERS SURE A+
✔✔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?
✔✔Preloss conditions // safe & sanitary // Condition 1 - normal fungal ecology -
✔✔What are the goals in a microbial remediation project for the remediator and IEP
(Indoor Environmental Professional)?
✔✔Water source - ✔✔What factors are necessary for mold growth to occur?
✔✔Keep building dry and when wet, dry immediately and expediently - ✔✔What is the
best way to prevent mold growth in a building?
✔✔Wet building materials - ✔✔What can create odors in wet buildings?
✔✔When air is supplied to a space than taken out - ✔✔Define positive pressure in a
space?
✔✔When air is taken out of the space - ✔✔Define negative pressure in a space?
✔✔Enclosure in a work area that is contained with poly - ✔✔What is a local
containment?
✔✔Effectiveness of our hepa filters - ✔✔What can laser particle counters be used for?
, ✔✔High to low - ✔✔Airflow always move from a ____ to a ___ pressure?
✔✔TRUE - ✔✔Particles that are smaller than 5 microns can be inhaled deeply into the
lungs. True or False
✔✔Organism is water loving - ✔✔What does the term hydrophilic mean?
✔✔Organism avoids water - ✔✔What'd does hydrophobic mean?
✔✔Cat 1 - clean - low infection risk / Cat 2 - gray - medium infection risk / Cat 3 - black -
large infection risk - ✔✔Name the Categories of Water according to the S500
✔✔All 3 categories - ✔✔With which Category of Water can microbial growth occur?
✔✔Toilet Bowl = 2 // Surface Water from Raising Rivers = 3 // Hydrostatic seepage = 2
// Aquarium =2 // Water beyond the trap=3 // Broken toilet tank=1 // Sea Water=3 //
Dishwasher and laundry & washing machine=2// Water in toilet bowl=1 - ✔✔What
categories of water (S500) do these sources fall under? Toilet Bowl? Surface Water
from Raising Rivers? Hydrostatic seepage? Aquarium? Water beyond the trap? Broken
toilet tank? Sea Water? Dishwasher and laundry/washing machine? Water in toilet
bowl?
✔✔Above 17% - ✔✔What % of moisture content (meter reading) is necessary for mold
growth to occur on wood?
✔✔Above 20% - ✔✔Wood rot can occur at which percent of moisture content?
✔✔the amount of free water available on the boundary layer of a substrate (surface) for
microbial amplication - ✔✔What is the definition of water activity (aw)?
✔✔Equilibrium Relative Humidity (ERH) - ✔✔What moisture measurement is
comparable to water activity (aw)?
✔✔identification / correction of moisture problem // isolation of work area and HVAC
registers // air flow management (negative air) // demolition and removal of porous
materials // cleaning of remaining materials // deep cleaning of all surfaces in work area
// post remediation "clearance" testing // reconstruction - ✔✔What is the sequence
(order) of procedures in a microbial remediation project?
✔✔4-6 mil with medium slip factor, and has to be at 25 or better flame retardant -
✔✔What type of polyethylene sheeting should be used for containments?
AND ANSWERS SURE A+
✔✔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?
✔✔Preloss conditions // safe & sanitary // Condition 1 - normal fungal ecology -
✔✔What are the goals in a microbial remediation project for the remediator and IEP
(Indoor Environmental Professional)?
✔✔Water source - ✔✔What factors are necessary for mold growth to occur?
✔✔Keep building dry and when wet, dry immediately and expediently - ✔✔What is the
best way to prevent mold growth in a building?
✔✔Wet building materials - ✔✔What can create odors in wet buildings?
✔✔When air is supplied to a space than taken out - ✔✔Define positive pressure in a
space?
✔✔When air is taken out of the space - ✔✔Define negative pressure in a space?
✔✔Enclosure in a work area that is contained with poly - ✔✔What is a local
containment?
✔✔Effectiveness of our hepa filters - ✔✔What can laser particle counters be used for?
, ✔✔High to low - ✔✔Airflow always move from a ____ to a ___ pressure?
✔✔TRUE - ✔✔Particles that are smaller than 5 microns can be inhaled deeply into the
lungs. True or False
✔✔Organism is water loving - ✔✔What does the term hydrophilic mean?
✔✔Organism avoids water - ✔✔What'd does hydrophobic mean?
✔✔Cat 1 - clean - low infection risk / Cat 2 - gray - medium infection risk / Cat 3 - black -
large infection risk - ✔✔Name the Categories of Water according to the S500
✔✔All 3 categories - ✔✔With which Category of Water can microbial growth occur?
✔✔Toilet Bowl = 2 // Surface Water from Raising Rivers = 3 // Hydrostatic seepage = 2
// Aquarium =2 // Water beyond the trap=3 // Broken toilet tank=1 // Sea Water=3 //
Dishwasher and laundry & washing machine=2// Water in toilet bowl=1 - ✔✔What
categories of water (S500) do these sources fall under? Toilet Bowl? Surface Water
from Raising Rivers? Hydrostatic seepage? Aquarium? Water beyond the trap? Broken
toilet tank? Sea Water? Dishwasher and laundry/washing machine? Water in toilet
bowl?
✔✔Above 17% - ✔✔What % of moisture content (meter reading) is necessary for mold
growth to occur on wood?
✔✔Above 20% - ✔✔Wood rot can occur at which percent of moisture content?
✔✔the amount of free water available on the boundary layer of a substrate (surface) for
microbial amplication - ✔✔What is the definition of water activity (aw)?
✔✔Equilibrium Relative Humidity (ERH) - ✔✔What moisture measurement is
comparable to water activity (aw)?
✔✔identification / correction of moisture problem // isolation of work area and HVAC
registers // air flow management (negative air) // demolition and removal of porous
materials // cleaning of remaining materials // deep cleaning of all surfaces in work area
// post remediation "clearance" testing // reconstruction - ✔✔What is the sequence
(order) of procedures in a microbial remediation project?
✔✔4-6 mil with medium slip factor, and has to be at 25 or better flame retardant -
✔✔What type of polyethylene sheeting should be used for containments?
