TEXAS MOLD REMEDIATION EXAM QUESTIONS
AND CORRECT VERIFIED ANSWERS| ALREADY
GRADED A+| 2026
Mold - ANSWER-Which of the following contaminants doesn't have a code of
federal regulations (CFR) section dedicated to it?
11 microns - ANSWER-Respirator bowl particles are those less than.
According to the ACAC code of conduct, when should you release confidential
information? - ANSWER-Only when receiving a subpoena
Which agent will not be removed by a particulate Filter? - ANSWER-mVPCs
Which of the following is a key limitation to biocides? - ANSWER-They kill some
microorganisms and therefore provide safe haven for others
You know a contaminant is under negative pressure win - ANSWER-Pressure
inside is less than outside
What material should be dried within what time frame to prevent mold
growth? - ANSWER-Within 24 to 48 hours
,According to bioaerosols, upon completion of remediation, the levels of mold
spores in the remediated area should be - ANSWER-Similar to adjacent areas
and outdoors
According to IICRC S520, what is the minimum recommended air changes per
hour inside containment? - ANSWER-4 ach
What does PCR stand for? - ANSWER-polymerase chain reaction
According to IICRC S520, what should a contractor do when he/she comes
across lead? - ANSWER-Comply with all federal, state and local laws
Which DOL agency regulates workplace exposure? - ANSWER-OSHA
According toIICRC S500? Water from a backed up washing machine would be
classified - ANSWER-Category 2
According to Field Guide, what type of factors affect mold growth - ANSWER-
Biotic and abiotic
What is the Key difference between legionnaires disease and Pontiac fever? -
ANSWER-Legionnaires disease is a pneumonia
Stachybotrys is a - ANSWER-Slow growing tertiary colonizer
Agents that are incorporated into a material to suppress microbial growth are
called - ANSWER-Antimicrobial
,According to Bioaerosols, legionella is not common an outdoor air because -
ANSWER-It desiccated and is Oxidases by outdoor air
What does saprobic mean? - ANSWER-Heterotrophic organisms that obtain
their nutrients from nonliving organic matter by absorbing soluble organic
compounds
According to IICRC S520, The expertise of a mold inspector is - ANSWER-
Building science
Where are endotoxins formed? - ANSWER-Sell wall of Graham negative
bacteria
According to OSHA, what is the first line of defense for ensuring worker health
and safety? - ANSWER-Engineering controls
Xerophilic mold like - ANSWER-Low water activity
What is the most common source of indoor bacteria? - ANSWER-People
According to Bioaerosols, what does BRS stand for? - ANSWER-Building related
symptoms
According to Bioaerosols, what agents have been known to cause
hypersensitivity diseases - ANSWER-Mold and detergents
In a flood damaged area, exposure to contaminants could be through all but -
ANSWER-Submersion
, Legionella is classified as a - ANSWER-Graham negative bacteria
What does mVOC stand for? - ANSWER-Microbial volatile organic compound
A very cold climate should have the vapor barrier - ANSWER-Towards the
interior
What is associated with molds musty odors? - ANSWER-mVOCs
What is a smoke pencil used for? - ANSWER-Visualizing the direction of airflow
According to IICRC S520, which of the following is the biggest health concern
for remediation workers? - ANSWER-Ingestion of microbial growth
Laboratory analysis of spore traps - ANSWER-Is quicker than cultured samples
According to Boaerosols, ID 50 causes an infection in 50% of - ANSWER-
Exposed susceptible hosts
According to IICRC S520, which of the following water sources is classified as
category 3 - ANSWER-Flood waters from streams
The primary concern in the public relating to Stachybotrys is because of -
ANSWER-Mycotoxins
According to IICRC S520, what do you do with category 3 duct board -
ANSWER-Remove and replace
AND CORRECT VERIFIED ANSWERS| ALREADY
GRADED A+| 2026
Mold - ANSWER-Which of the following contaminants doesn't have a code of
federal regulations (CFR) section dedicated to it?
11 microns - ANSWER-Respirator bowl particles are those less than.
According to the ACAC code of conduct, when should you release confidential
information? - ANSWER-Only when receiving a subpoena
Which agent will not be removed by a particulate Filter? - ANSWER-mVPCs
Which of the following is a key limitation to biocides? - ANSWER-They kill some
microorganisms and therefore provide safe haven for others
You know a contaminant is under negative pressure win - ANSWER-Pressure
inside is less than outside
What material should be dried within what time frame to prevent mold
growth? - ANSWER-Within 24 to 48 hours
,According to bioaerosols, upon completion of remediation, the levels of mold
spores in the remediated area should be - ANSWER-Similar to adjacent areas
and outdoors
According to IICRC S520, what is the minimum recommended air changes per
hour inside containment? - ANSWER-4 ach
What does PCR stand for? - ANSWER-polymerase chain reaction
According to IICRC S520, what should a contractor do when he/she comes
across lead? - ANSWER-Comply with all federal, state and local laws
Which DOL agency regulates workplace exposure? - ANSWER-OSHA
According toIICRC S500? Water from a backed up washing machine would be
classified - ANSWER-Category 2
According to Field Guide, what type of factors affect mold growth - ANSWER-
Biotic and abiotic
What is the Key difference between legionnaires disease and Pontiac fever? -
ANSWER-Legionnaires disease is a pneumonia
Stachybotrys is a - ANSWER-Slow growing tertiary colonizer
Agents that are incorporated into a material to suppress microbial growth are
called - ANSWER-Antimicrobial
,According to Bioaerosols, legionella is not common an outdoor air because -
ANSWER-It desiccated and is Oxidases by outdoor air
What does saprobic mean? - ANSWER-Heterotrophic organisms that obtain
their nutrients from nonliving organic matter by absorbing soluble organic
compounds
According to IICRC S520, The expertise of a mold inspector is - ANSWER-
Building science
Where are endotoxins formed? - ANSWER-Sell wall of Graham negative
bacteria
According to OSHA, what is the first line of defense for ensuring worker health
and safety? - ANSWER-Engineering controls
Xerophilic mold like - ANSWER-Low water activity
What is the most common source of indoor bacteria? - ANSWER-People
According to Bioaerosols, what does BRS stand for? - ANSWER-Building related
symptoms
According to Bioaerosols, what agents have been known to cause
hypersensitivity diseases - ANSWER-Mold and detergents
In a flood damaged area, exposure to contaminants could be through all but -
ANSWER-Submersion
, Legionella is classified as a - ANSWER-Graham negative bacteria
What does mVOC stand for? - ANSWER-Microbial volatile organic compound
A very cold climate should have the vapor barrier - ANSWER-Towards the
interior
What is associated with molds musty odors? - ANSWER-mVOCs
What is a smoke pencil used for? - ANSWER-Visualizing the direction of airflow
According to IICRC S520, which of the following is the biggest health concern
for remediation workers? - ANSWER-Ingestion of microbial growth
Laboratory analysis of spore traps - ANSWER-Is quicker than cultured samples
According to Boaerosols, ID 50 causes an infection in 50% of - ANSWER-
Exposed susceptible hosts
According to IICRC S520, which of the following water sources is classified as
category 3 - ANSWER-Flood waters from streams
The primary concern in the public relating to Stachybotrys is because of -
ANSWER-Mycotoxins
According to IICRC S520, what do you do with category 3 duct board -
ANSWER-Remove and replace
