IICRC AMRT COMPREHENSIVE EXAM UPDATED
QUESTIONS AND SOLUTIONS RATED A+
✔✔air sampling is preferred, often used as indicator for further inspection - ✔✔Best
sample method of choice for verification and why?
✔✔to identify species - ✔✔What is the benefit of collecting viable air samples?
✔✔Contact plate
Tape
Swab
Bulk - ✔✔4 common types of surface samples:
✔✔after successful verification - ✔✔When can the containment and NAM be removed?
✔✔the ability for occupant(s) to return without complaint - ✔✔What is the ultimate
criteria for clearance of a microbial remediation project?
✔✔Education
Certification
Experience - ✔✔Recommendations and requirements to be an IEP:
✔✔Special training
Experience - ✔✔Recommendations and requirements to interpret sample data:
✔✔Type & extent of contamination
Limitations
Associated hazards - ✔✔3 factors that should be considered when choosing an
antimicrobial:
✔✔Concentration
Temperature
pH
Contact time
Application requirements
Material compatibility - ✔✔6 limitations of antimicrobial biocides:
✔✔Sanitizers
Disinfectants
Sterilants - ✔✔3 types of antimicrobial biocides:
✔✔antimicrobial static agent - ✔✔What product is referred to as a "bound product"?
, ✔✔biocide is inactivated - ✔✔What is the result of applying antimicrobials to organic
materials?
✔✔Biostat
Bacteriostat
Fungistat - ✔✔Types of antimicrobial static agents:
✔✔Applied to cleaned and non-porous surface - ✔✔How is the efficacy of antimicrobials
determined?
✔✔Federal Insecticide, Fungicide, and Rodenticide Act - oversee EPA registered
products - ✔✔What is FIFRA?
✔✔release of toxic gases - ✔✔What is the concern of mixing bleach with ammonia?
✔✔clean and dry environment - ✔✔What is the best preventative for mold
contamination?
✔✔follow manufacturer's instructions - ✔✔What should the remediator do prior to using
any tool or equipment?
✔✔up to 3-4 times per day during removal, and 1 time during cleaning - ✔✔How often
should the pre-filters be changed on an AFD?
✔✔replace while on - ✔✔What is the process the remediator should follow when
changing the pre-filters on the AFD?
✔✔reduction of CFM - ✔✔What are the concerns when attaching accessories or
ducting to a NAM?
✔✔DOP testing - ✔✔testing procedure that can be used to check the efficiency of the
HEPA filter
✔✔laser particulate counter - ✔✔tool used to perform the DOP testing
✔✔anemometer - ✔✔What tools can be used
✔✔Recommend use of IEP
Recommend occupant consult with care physician - ✔✔What should the remediator do
when there is a concern of health effects?
✔✔pre-existing damage - ✔✔unrelated damages to current project
ex. previous water damage, previous structural damage
QUESTIONS AND SOLUTIONS RATED A+
✔✔air sampling is preferred, often used as indicator for further inspection - ✔✔Best
sample method of choice for verification and why?
✔✔to identify species - ✔✔What is the benefit of collecting viable air samples?
✔✔Contact plate
Tape
Swab
Bulk - ✔✔4 common types of surface samples:
✔✔after successful verification - ✔✔When can the containment and NAM be removed?
✔✔the ability for occupant(s) to return without complaint - ✔✔What is the ultimate
criteria for clearance of a microbial remediation project?
✔✔Education
Certification
Experience - ✔✔Recommendations and requirements to be an IEP:
✔✔Special training
Experience - ✔✔Recommendations and requirements to interpret sample data:
✔✔Type & extent of contamination
Limitations
Associated hazards - ✔✔3 factors that should be considered when choosing an
antimicrobial:
✔✔Concentration
Temperature
pH
Contact time
Application requirements
Material compatibility - ✔✔6 limitations of antimicrobial biocides:
✔✔Sanitizers
Disinfectants
Sterilants - ✔✔3 types of antimicrobial biocides:
✔✔antimicrobial static agent - ✔✔What product is referred to as a "bound product"?
, ✔✔biocide is inactivated - ✔✔What is the result of applying antimicrobials to organic
materials?
✔✔Biostat
Bacteriostat
Fungistat - ✔✔Types of antimicrobial static agents:
✔✔Applied to cleaned and non-porous surface - ✔✔How is the efficacy of antimicrobials
determined?
✔✔Federal Insecticide, Fungicide, and Rodenticide Act - oversee EPA registered
products - ✔✔What is FIFRA?
✔✔release of toxic gases - ✔✔What is the concern of mixing bleach with ammonia?
✔✔clean and dry environment - ✔✔What is the best preventative for mold
contamination?
✔✔follow manufacturer's instructions - ✔✔What should the remediator do prior to using
any tool or equipment?
✔✔up to 3-4 times per day during removal, and 1 time during cleaning - ✔✔How often
should the pre-filters be changed on an AFD?
✔✔replace while on - ✔✔What is the process the remediator should follow when
changing the pre-filters on the AFD?
✔✔reduction of CFM - ✔✔What are the concerns when attaching accessories or
ducting to a NAM?
✔✔DOP testing - ✔✔testing procedure that can be used to check the efficiency of the
HEPA filter
✔✔laser particulate counter - ✔✔tool used to perform the DOP testing
✔✔anemometer - ✔✔What tools can be used
✔✔Recommend use of IEP
Recommend occupant consult with care physician - ✔✔What should the remediator do
when there is a concern of health effects?
✔✔pre-existing damage - ✔✔unrelated damages to current project
ex. previous water damage, previous structural damage
