IICRC EXAM NEW EDITION 2026/2026 QUESTIONS AND
100% CORRECT ANSWERS
Typical Microbial Remediation project follows the proper job sequencing steps: - 1. Source
(identifying)
2.Setting up containment
3.Establishing negative air
4.removing contaminated building materials
5.clean surfaces
6.dry the affected areas
7.conducting post remediation evaluation
Odors that are detected in water -damaged buildings can be caused by wet structural assemblies or -
wet contents materials
MCOV - Microbiological Volatile Organic Compounds
MVOC are by products of - microorganism’s metabolism
Mycotoxins - toxins produced by a fungus
Aflatoxin - Mycotoxins that are known to be carcinogenic
What size are Mold spores - 2.0 to 20 microns in diameter
Micron equals - 1/1,000,000 of a meter. (millionth)
Sporulation - Molds as fungal organisms begin to produce and release spores into the environment
Viable Spores - Alive spores
, Viable Spores may be ____________________ and or contain_______________ - allergenic, toxins
Settled Spores - spores that aren't actively growing on a surface (landed or settled)
Mycotoxins are present in the cell ___________ of Fungal spores and Hyphae - Walls
Stachybotyrs requires a high level of _____________ activity - Water
Stachybotrys takes approx. ___ weeks to begin to colonize.
It can begin to colonize under ideal conditions in ______ to ______ days - 8 weeks, 7 to 12 days
2 most common molds found in remediation work are - Penicillium and Aspergillus
Penicillium and Aspergillus in lab conditions take _____ to _____ hours to colonize - 48 , 72 hours
Penicillum and Aspergillus spores are ______________ - respirable
Both Penniclium and Aspergillus grow in low moisture environments, so they are called
________________ - Xerophilic
Escherichia Coli - Bacteria found in sewage
gram negative bacteria - found in sewage- more pathogenic to humans than gram positive bacteria
Gram- negative bacteria produces_____________________ in their cell walls which are hazardous
when ingested or inhaled - ENDOTOXINS
Viruses do not _______________ they replicate by turning cells into virus ____________ -
reproduce, factories
dry rot requires high WA of at least _______ % MC - 20%
100% CORRECT ANSWERS
Typical Microbial Remediation project follows the proper job sequencing steps: - 1. Source
(identifying)
2.Setting up containment
3.Establishing negative air
4.removing contaminated building materials
5.clean surfaces
6.dry the affected areas
7.conducting post remediation evaluation
Odors that are detected in water -damaged buildings can be caused by wet structural assemblies or -
wet contents materials
MCOV - Microbiological Volatile Organic Compounds
MVOC are by products of - microorganism’s metabolism
Mycotoxins - toxins produced by a fungus
Aflatoxin - Mycotoxins that are known to be carcinogenic
What size are Mold spores - 2.0 to 20 microns in diameter
Micron equals - 1/1,000,000 of a meter. (millionth)
Sporulation - Molds as fungal organisms begin to produce and release spores into the environment
Viable Spores - Alive spores
, Viable Spores may be ____________________ and or contain_______________ - allergenic, toxins
Settled Spores - spores that aren't actively growing on a surface (landed or settled)
Mycotoxins are present in the cell ___________ of Fungal spores and Hyphae - Walls
Stachybotyrs requires a high level of _____________ activity - Water
Stachybotrys takes approx. ___ weeks to begin to colonize.
It can begin to colonize under ideal conditions in ______ to ______ days - 8 weeks, 7 to 12 days
2 most common molds found in remediation work are - Penicillium and Aspergillus
Penicillium and Aspergillus in lab conditions take _____ to _____ hours to colonize - 48 , 72 hours
Penicillum and Aspergillus spores are ______________ - respirable
Both Penniclium and Aspergillus grow in low moisture environments, so they are called
________________ - Xerophilic
Escherichia Coli - Bacteria found in sewage
gram negative bacteria - found in sewage- more pathogenic to humans than gram positive bacteria
Gram- negative bacteria produces_____________________ in their cell walls which are hazardous
when ingested or inhaled - ENDOTOXINS
Viruses do not _______________ they replicate by turning cells into virus ____________ -
reproduce, factories
dry rot requires high WA of at least _______ % MC - 20%
