IICRC – AMRT Exam with Questions and Answers – 100% Solved
<5 microns - ✔✔✔-What size particles can enter deeply into the lungs (respirable)?
2-3 microns - ✔✔✔-What is the size of Penicillium spores?
2-20 microns - ✔✔✔-What is the typical size of mold spores commonly found in water
damaged environments?
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?
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?
9 - shortness of breath // asthma // coughing // runny nose // headaches // recurrent colds //
eye irritation // dizziness // nausea - ✔✔✔-List a number of nonspecific symptoms associated
with mold exposure?
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?
48-72 hour (2-3 days) - ✔✔✔-How long does it take for certain molds to colonize under ideal
conditions?
288 CFM - ✔✔✔-Calculate what AFD size is needed to create 4 air exchanges in a room 18 x 30
x 8 foot.
a contact/dwell time concentration level and right PH // contact time ranges between 10 and 30
minutes // the surface has to be cleaned - ✔✔✔-What is required for biocides to work
effectively with a high kill rate?
,IICRC – AMRT Exam with Questions and Answers – 100% Solved
Ability of people to reocc - ✔✔✔-What is the ultimate cleaning criterion (according to the
ACGIH Bioaerosols)
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?
Abrasive methods (media lifting, blasting, sanding) - ✔✔✔-How do you treat moldy wood
framing?
abrasive methods followed by HEPA vacuuming - ✔✔✔-What is the treatment for moldy
lumber in a wall cavity?
abrasive methods or treatment - ✔✔✔-How is mold growth on wood framing removed?
AC creates water - ✔✔✔-Why can the presence of air conditioning (AC) equipment become the
source of a microbial problem?
after the cleaning of all surfaces has been completed - ✔✔✔-When is the biocide application
performed to achieve a sanitary state of the remaining building materials?
after thorough cleaning and final rinsing - ✔✔✔-When is the most effective biocide application
in a sewage remediation for achieving a sanitary state performed?
after you pass the clearance (must be in writing) - ✔✔✔-When is the containment removed, if
post remediation testing is required?
, IICRC – AMRT Exam with Questions and Answers – 100% Solved
Air changes per hour - ✔✔✔-What does ACH stand for?
Air Filtration Device - ✔✔✔-What does AFD stand for?
Air Purifying Respirator - ✔✔✔-What does APR stand for?
airborne particles that are living or originate from living organisms - ✔✔✔-What are
Bioaerosols?
All 3 categories - ✔✔✔-With which Category of Water can microbial growth occur?
all parts - ✔✔✔-When a condition 3 exists in one part of the HVAC system, which parts need to
be cleaned?
allergenic / infectious / toxigenic - ✔✔✔-What are the 3 major potential health effects from
fungal exposure?
ammonia - ✔✔✔-Never mix bleach (sodium hypochlorite) with what?
anything recommended by medical health care professionals (Tetanus and Diphtheria, Hep A
and possibly B) - ✔✔✔-What type of immunization is recommended for sewage remediation
workers?
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 - ✔✔✔-When using
biocides what should you consider and what are the basic precautions?
<5 microns - ✔✔✔-What size particles can enter deeply into the lungs (respirable)?
2-3 microns - ✔✔✔-What is the size of Penicillium spores?
2-20 microns - ✔✔✔-What is the typical size of mold spores commonly found in water
damaged environments?
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?
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?
9 - shortness of breath // asthma // coughing // runny nose // headaches // recurrent colds //
eye irritation // dizziness // nausea - ✔✔✔-List a number of nonspecific symptoms associated
with mold exposure?
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?
48-72 hour (2-3 days) - ✔✔✔-How long does it take for certain molds to colonize under ideal
conditions?
288 CFM - ✔✔✔-Calculate what AFD size is needed to create 4 air exchanges in a room 18 x 30
x 8 foot.
a contact/dwell time concentration level and right PH // contact time ranges between 10 and 30
minutes // the surface has to be cleaned - ✔✔✔-What is required for biocides to work
effectively with a high kill rate?
,IICRC – AMRT Exam with Questions and Answers – 100% Solved
Ability of people to reocc - ✔✔✔-What is the ultimate cleaning criterion (according to the
ACGIH Bioaerosols)
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?
Abrasive methods (media lifting, blasting, sanding) - ✔✔✔-How do you treat moldy wood
framing?
abrasive methods followed by HEPA vacuuming - ✔✔✔-What is the treatment for moldy
lumber in a wall cavity?
abrasive methods or treatment - ✔✔✔-How is mold growth on wood framing removed?
AC creates water - ✔✔✔-Why can the presence of air conditioning (AC) equipment become the
source of a microbial problem?
after the cleaning of all surfaces has been completed - ✔✔✔-When is the biocide application
performed to achieve a sanitary state of the remaining building materials?
after thorough cleaning and final rinsing - ✔✔✔-When is the most effective biocide application
in a sewage remediation for achieving a sanitary state performed?
after you pass the clearance (must be in writing) - ✔✔✔-When is the containment removed, if
post remediation testing is required?
, IICRC – AMRT Exam with Questions and Answers – 100% Solved
Air changes per hour - ✔✔✔-What does ACH stand for?
Air Filtration Device - ✔✔✔-What does AFD stand for?
Air Purifying Respirator - ✔✔✔-What does APR stand for?
airborne particles that are living or originate from living organisms - ✔✔✔-What are
Bioaerosols?
All 3 categories - ✔✔✔-With which Category of Water can microbial growth occur?
all parts - ✔✔✔-When a condition 3 exists in one part of the HVAC system, which parts need to
be cleaned?
allergenic / infectious / toxigenic - ✔✔✔-What are the 3 major potential health effects from
fungal exposure?
ammonia - ✔✔✔-Never mix bleach (sodium hypochlorite) with what?
anything recommended by medical health care professionals (Tetanus and Diphtheria, Hep A
and possibly B) - ✔✔✔-What type of immunization is recommended for sewage remediation
workers?
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 - ✔✔✔-When using
biocides what should you consider and what are the basic precautions?
