IICRC OCT Exam Study Guide: Questions & Answers:
Gases which eminate from a source which is perceived by the nose - ANSWER:Odor
Part of brain humans use to perceive odors - ANSWER:Olfactory love
Smell that may linger due to past experiences or impressions that were not there prior to disaster -
ANSWER:Heightened awareness odors/physiological odors
If you don't smell an odor does that mean the odor dosent exist? - ANSWER:No
Field of science which is concerned with smell - ANSWER:osmics
Volatility - ANSWER:4 properties of smell
Water soluble - ANSWER:4 properties of smell
Lipid(fat) solubility - ANSWER:4 properties of smell
Absent from nasal tissue - ANSWER:4 properties of smell
Temperature and RH - ANSWER:Odor is apparent when what is high
Cling to or attract to a porous surface - ANSWER:adsorb
To dissolve or diffuse a liquid into another material - ANSWER:aBsorb
Ability of a material to hold odors - ANSWER:Porosity
Higher aDsorption - ANSWER:Higher porosity =
Highly porous substance that tenaciously clings to malodors - ANSWER:Natural wicks
Examples of natural wicks - ANSWER:Wood, fabric, paper,cork,unsealed concrete, flat paints
Remove as much of odor source as possible #1 - ANSWER:4 principles of odor control
Clean contaminated source area #2 - ANSWER:4 principles of odor control
Penetrate odor counteract any in all surfaces and spaces #3 - ANSWER:4 principles of odor control
Sealing #4 - ANSWER:4 principles of odor control
Locks in further malodor release - ANSWER:What does sealing do
Good indicator of performance of odor control or coating - ANSWER:Perm permance factor
More effective sealer is at controlling odor - ANSWER:Lower perm permance =
Clean and deodorize - ANSWER:PRIOR TO sealing
Best odor detecting tool - ANSWER:Nose
Remove source - ANSWER:Steps to remove an odor
, Treat the odor - ANSWER:Steps to remove an odor
Solid materials (active charcoal, baking soda) - ANSWER:Adsorbants
Works against chemical odors (bleaches,acids) - ANSWER:Neutralizer
Binds oxygen with another substance - ANSWER:Oxidizers
Peroxide, ozone machine, bleach - ANSWER:Example of oxidizers
Inhibit growth of microorganisms - ANSWER:Biocides
Works against compounds - ANSWER:Counteractants
Masking and pairing agents - ANSWER:Counteractants have both
Disguising a bad odor with a good odor - ANSWER:Masking
Masking agents are usually - ANSWER:Time released deodorant
Manufactured enzymes used to digest organic odor materials - ANSWER:Bioenzymatic
Pressure/compound sprayers - ANSWER:Examples of deodorizing eq
100+ microns - ANSWER:Pressure compound sprayer droplet size
25-100 microns - ANSWER:Wet fogger and mister droplet size
Treat airspace with water or alcohol based formulas - ANSWER:ULV foggers
5-6 hours - ANSWER:ULV fogger spray stays in air for
A device that uses heat to release petroleum based deodorant droplets ranging from 0.5-2 microns -
ANSWER:Thermal fogger
O3 - ANSWER:Chemical designation for ozone
Effective at counteracting odors,but toxic to inhale - ANSWER:Ozone machine is
Ozone dissipation time - ANSWER:10-15 minutes
Recreate earths atmosphere to blow pure air - ANSWER:Hydroxyl generators
The human sense that is able to detect odors - ANSWER:olfactory sense(smell)
An important property for a substance to have a detectable odor - ANSWER:Water solubility
(4 Principles of odor removal #2) - ANSWER:Cleaning source area
Combines with and changes a malodorous substance to create an odorless compound - ANSWER:Pairing
agent
The process of enzymes breaking down odor causing organic material (meat,eggs,fish) -
ANSWER:Bioenzymatic digestion
Used to describe inches or millimeters - ANSWER:Micron
Gases which eminate from a source which is perceived by the nose - ANSWER:Odor
Part of brain humans use to perceive odors - ANSWER:Olfactory love
Smell that may linger due to past experiences or impressions that were not there prior to disaster -
ANSWER:Heightened awareness odors/physiological odors
If you don't smell an odor does that mean the odor dosent exist? - ANSWER:No
Field of science which is concerned with smell - ANSWER:osmics
Volatility - ANSWER:4 properties of smell
Water soluble - ANSWER:4 properties of smell
Lipid(fat) solubility - ANSWER:4 properties of smell
Absent from nasal tissue - ANSWER:4 properties of smell
Temperature and RH - ANSWER:Odor is apparent when what is high
Cling to or attract to a porous surface - ANSWER:adsorb
To dissolve or diffuse a liquid into another material - ANSWER:aBsorb
Ability of a material to hold odors - ANSWER:Porosity
Higher aDsorption - ANSWER:Higher porosity =
Highly porous substance that tenaciously clings to malodors - ANSWER:Natural wicks
Examples of natural wicks - ANSWER:Wood, fabric, paper,cork,unsealed concrete, flat paints
Remove as much of odor source as possible #1 - ANSWER:4 principles of odor control
Clean contaminated source area #2 - ANSWER:4 principles of odor control
Penetrate odor counteract any in all surfaces and spaces #3 - ANSWER:4 principles of odor control
Sealing #4 - ANSWER:4 principles of odor control
Locks in further malodor release - ANSWER:What does sealing do
Good indicator of performance of odor control or coating - ANSWER:Perm permance factor
More effective sealer is at controlling odor - ANSWER:Lower perm permance =
Clean and deodorize - ANSWER:PRIOR TO sealing
Best odor detecting tool - ANSWER:Nose
Remove source - ANSWER:Steps to remove an odor
, Treat the odor - ANSWER:Steps to remove an odor
Solid materials (active charcoal, baking soda) - ANSWER:Adsorbants
Works against chemical odors (bleaches,acids) - ANSWER:Neutralizer
Binds oxygen with another substance - ANSWER:Oxidizers
Peroxide, ozone machine, bleach - ANSWER:Example of oxidizers
Inhibit growth of microorganisms - ANSWER:Biocides
Works against compounds - ANSWER:Counteractants
Masking and pairing agents - ANSWER:Counteractants have both
Disguising a bad odor with a good odor - ANSWER:Masking
Masking agents are usually - ANSWER:Time released deodorant
Manufactured enzymes used to digest organic odor materials - ANSWER:Bioenzymatic
Pressure/compound sprayers - ANSWER:Examples of deodorizing eq
100+ microns - ANSWER:Pressure compound sprayer droplet size
25-100 microns - ANSWER:Wet fogger and mister droplet size
Treat airspace with water or alcohol based formulas - ANSWER:ULV foggers
5-6 hours - ANSWER:ULV fogger spray stays in air for
A device that uses heat to release petroleum based deodorant droplets ranging from 0.5-2 microns -
ANSWER:Thermal fogger
O3 - ANSWER:Chemical designation for ozone
Effective at counteracting odors,but toxic to inhale - ANSWER:Ozone machine is
Ozone dissipation time - ANSWER:10-15 minutes
Recreate earths atmosphere to blow pure air - ANSWER:Hydroxyl generators
The human sense that is able to detect odors - ANSWER:olfactory sense(smell)
An important property for a substance to have a detectable odor - ANSWER:Water solubility
(4 Principles of odor removal #2) - ANSWER:Cleaning source area
Combines with and changes a malodorous substance to create an odorless compound - ANSWER:Pairing
agent
The process of enzymes breaking down odor causing organic material (meat,eggs,fish) -
ANSWER:Bioenzymatic digestion
Used to describe inches or millimeters - ANSWER:Micron
