<5 microns - ANS What size particles can enter deeply into the lungs
(respirable)?
2-20 microns - ANS What is the typical size of mold spores commonly found in
water damaged environments?
2-3 microns - ANS What is the size of Penicillium spores?
288 CFM - ANS Calculate what AFD size is needed to create 4 air exchanges
in a room 18 x 30 x 8 foot.
37.5 ≈ 37 (round down for ACH) - ANS A scrubber rated at 1000CFM is placed
in a 20 x 10 x 8 foot room. How many ACH's are created?
4-6 mil with medium slip factor, and has to be at 25 or better flame retardant -
ANS What type of polyethylene sheeting should be used for containments?
48-72 hour (2-3 days) - ANS How long does it take for certain molds to
colonize under ideal conditions?
5.5 ≈ 6 (round up for CFM) - ANS 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 - ANS List a number of nonspecific
symptoms associated with mold exposure?
a contact/dwell time concentration level and right PH // contact time ranges between
10 and 30 minutes // the surface has to be cleaned - ANS What is required for
biocides to work effectively with a high kill rate?
Ability of people to reocc - ANS What is the ultimate cleaning criterion
(according to the ACGIH Bioaerosols)
Above 17% - ANS What % of moisture content (meter reading) is necessary
for mold growth to occur on wood?
Above 20% - ANS Wood rot can occur at which percent of moisture content?
Abrasive methods (media lifting, blasting, sanding) - ANS How do you treat
moldy wood framing?
,IICRC - AMRT Exam
abrasive methods followed by HEPA vacuuming - ANS What is the treatment
for moldy lumber in a wall cavity?
abrasive methods or treatment - ANS How is mold growth on wood framing
removed?
AC creates water - ANS 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 - ANS When is the
biocide application performed to achieve a sanitary state of the remaining building
materials?
after thorough cleaning and final rinsing - ANS 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) - ANS When is the
containment removed, if post remediation testing is required?
Air changes per hour - ANS What does ACH stand for?
Air Filtration Device - ANS What does AFD stand for?
Air Purifying Respirator - ANS What does APR stand for?
airborne particles that are living or originate from living organisms - ANS What
are Bioaerosols?
All 3 categories - ANS With which Category of Water can microbial growth
occur?
all parts - ANS When a condition 3 exists in one part of the HVAC system,
which parts need to be cleaned?
allergenic / infectious / toxigenic - ANS What are the 3 major potential health
effects from fungal exposure?
ammonia - ANS Never mix bleach (sodium hypochlorite) with what?
, IICRC - AMRT Exam
anything recommended by medical health care professionals (Tetanus and
Diphtheria, Hep A and possibly B) - ANS 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 - ANS When using biocides what should you consider and what are
the basic precautions?
Aspergillosis fumigates // the name of the illness = Aspergillosis - ANS Which
mold can cause a lung infection and what is the name of the illness?
asthma - ANS What chronic condition in children is associated with extended
mold exposure?
at the end of their life cycle (when full) - ANS When do we replace respirator
cartridges?
bacteria // parasites // viruses - ANS Name 3 groups of microorganisms
associated with sewage backflow.
bacteria // parasites // viruses - ANS Name the primary biohazards associated
with sewage backflows:
before or after // not at the same time - ANS When should HVAC cleaning be
conducted when in combination with structural remediation?
before work begins at the worksite (initially and daily updated as necessary and at
shift start) - ANS When is the job hazard assessment (JHA or JSA)
performed?
both - ANS 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) - ANS What do you do when
discovering the NAM is turned off?
can create the release of mold spores - ANS Spraying {misting) onto moldy
surfaces can cause what?
capable of germination - ANS What does viable mean?