IICRC WRT FINAL EXAM QUESTIONS AND
CORRECT ANSWERS GRADED A+ 2026
◉ Water from a clean source with no substantial risk of causing
sickness or discomfort is said to be _________ _ water. Answer:
Category 1
◉ Water that has a SIGNIFICANT degree of chemical, biological
and/or physical contamination and a potential to cause sickness or
discomfort is _________ _. Answer: Category 2.
◉ When water intrusion results from a grossly unsanitary source or
carries _________ (disease causing) agents, it is said to be Category 3.
Answer: Pathogenic
◉ Worker and occupant _______ and safety are the first priority on
every sewage loss. Areas affected by category 3 water intrusion are
marked and posted as potentially hazardous. Answer: health
◉ When resistance is encountered and performing proper services
in a Category 3 water loss becomes a challenge, restorers ____ ____
immediately to prevent liability and address the conflict Answer:
stop work
,◉ Third party experts are commonly referred to as Indoor
Environmental Professionals, or ____. Answer: IEP
◉ Losses where regulated or hazardous materials have been
contaminated the structure do not change the ________ of water.
Answer: Category
◉ Pre-existing conditions should be identified, documented and
communicated to all __________ __________ parties during the initial
inspection. Answer: materially interested
◉ When carpet delamination (the loss of integrity in the adhesive
used to laminate the _______ and _________ backing) has occurred
further damage is very likely. For this reason, when extensive carpet
delamination is discovered, technicians must call it to the attention
of all materially interested parties, document the condition and
suggest ___________. Answer: Primary; Secondary; replacement
◉ There are a number of causes for carpet delamionation -- many of
them related to ________ restoration activities. Answer: improper
◉ Hygroscopic materials gain and lose moisture continually in an
effort to ________ with the water content in the surrounding air mass.
The more hygroscopic the material, the faster it will collect water
vapor, and the easier it will suffer _________ damage. Answer:
Equalize; Secondary
, ◉ When water intrusion results in water running through wall
cavities, inspection access holes are used to ensure that blown-in
insulation has not compacted and lost its _-_____. Wet, compressed
insulation should be ________. Answer: R-Value; replaced
◉ Federal regulations apply to handling or disturbing of ____ based
paint and asbestos. Answer: lead
◉ Cleaning procedures must be employed before the drying of a
Category 2 water loss can continue. At a minimum, affected _______
________ must be removed and disposed of, and carpet must be
thoroughly cleaned using a hot water extraction method. Answer:
carpet underlay
◉ Various cleaning and decontamination procedures must be used
on Category 3 water losses, including the removal of all ______ ______
materials affected by the water intrusion. Answer: highly porous
◉ Many building materials will absorb excess water vapor and suffer
damage, especially when air is allowed to remain above __% relative
humidity. Answer: 60
◉ Third party experts should be considered where regulated or
_________ materials are present. Answer: hazardous
CORRECT ANSWERS GRADED A+ 2026
◉ Water from a clean source with no substantial risk of causing
sickness or discomfort is said to be _________ _ water. Answer:
Category 1
◉ Water that has a SIGNIFICANT degree of chemical, biological
and/or physical contamination and a potential to cause sickness or
discomfort is _________ _. Answer: Category 2.
◉ When water intrusion results from a grossly unsanitary source or
carries _________ (disease causing) agents, it is said to be Category 3.
Answer: Pathogenic
◉ Worker and occupant _______ and safety are the first priority on
every sewage loss. Areas affected by category 3 water intrusion are
marked and posted as potentially hazardous. Answer: health
◉ When resistance is encountered and performing proper services
in a Category 3 water loss becomes a challenge, restorers ____ ____
immediately to prevent liability and address the conflict Answer:
stop work
,◉ Third party experts are commonly referred to as Indoor
Environmental Professionals, or ____. Answer: IEP
◉ Losses where regulated or hazardous materials have been
contaminated the structure do not change the ________ of water.
Answer: Category
◉ Pre-existing conditions should be identified, documented and
communicated to all __________ __________ parties during the initial
inspection. Answer: materially interested
◉ When carpet delamination (the loss of integrity in the adhesive
used to laminate the _______ and _________ backing) has occurred
further damage is very likely. For this reason, when extensive carpet
delamination is discovered, technicians must call it to the attention
of all materially interested parties, document the condition and
suggest ___________. Answer: Primary; Secondary; replacement
◉ There are a number of causes for carpet delamionation -- many of
them related to ________ restoration activities. Answer: improper
◉ Hygroscopic materials gain and lose moisture continually in an
effort to ________ with the water content in the surrounding air mass.
The more hygroscopic the material, the faster it will collect water
vapor, and the easier it will suffer _________ damage. Answer:
Equalize; Secondary
, ◉ When water intrusion results in water running through wall
cavities, inspection access holes are used to ensure that blown-in
insulation has not compacted and lost its _-_____. Wet, compressed
insulation should be ________. Answer: R-Value; replaced
◉ Federal regulations apply to handling or disturbing of ____ based
paint and asbestos. Answer: lead
◉ Cleaning procedures must be employed before the drying of a
Category 2 water loss can continue. At a minimum, affected _______
________ must be removed and disposed of, and carpet must be
thoroughly cleaned using a hot water extraction method. Answer:
carpet underlay
◉ Various cleaning and decontamination procedures must be used
on Category 3 water losses, including the removal of all ______ ______
materials affected by the water intrusion. Answer: highly porous
◉ Many building materials will absorb excess water vapor and suffer
damage, especially when air is allowed to remain above __% relative
humidity. Answer: 60
◉ Third party experts should be considered where regulated or
_________ materials are present. Answer: hazardous
