IICRC OCT Exam Study Guide Q&A Verified
2025 Solution
When using ULVs, ozone gas, or thermal foggers the areas being treated must be? - ✔✔✔ - Evacuate
any unprotected occupants from the structure
Before you thermal fog a structure consider notifying organizations like? - ✔✔✔ - Fire Department
Thermal fogging a malodorous environment does not improve air quality, it is? - ✔✔✔ - A
counteractant or odor modification treatment
A unit of measurement used to describe a particle or droplet and is 1/1,000,000 of a meter - ✔✔✔ -
Micron
The most common adsorption style filter used by odor control professionals is? - ✔✔✔ - Baking Soda
Gases recognized by the olfactory lobe? - ✔✔✔ - Odors
Odor detected by the sensation of smell and transmitted from the nose to the olfactory lobe are? -
✔✔✔ - Real odors
, The odors people believe they smell based on personal impressions, suggestion(s) and past
experience are? - ✔✔✔ - Psychological odors
The sense capable of distinguishing a variety of chemicals at very low levels is called the? - ✔✔✔ -
Olfactory sense
Electrically powered devices used to produce an oxidizing odor-control gas? - ✔✔✔ - Ozone
Generator
Prolonged exposure to ozone gas may damage? - ✔✔✔ - People, pets and natural rubber
Signs and symptoms of over exposure to ozone gas include - ✔✔✔ - Dry nose, sore throat, nosebleed
Hydroxyl molecules are the result of the chemical change when? - ✔✔✔ - Water vapor passing
through ultraviolet light
Hydroxyls and ozone are referred to as? - ✔✔✔ - Oxidizing agents
ULV units are electrically powered sprayers that may be used to fog the air space with? - ✔✔✔ -
Water-based deodorants and encapsulants
This ULV fogger creates droplets in the? - ✔✔✔ - 8 - 15 micron range
2025 Solution
When using ULVs, ozone gas, or thermal foggers the areas being treated must be? - ✔✔✔ - Evacuate
any unprotected occupants from the structure
Before you thermal fog a structure consider notifying organizations like? - ✔✔✔ - Fire Department
Thermal fogging a malodorous environment does not improve air quality, it is? - ✔✔✔ - A
counteractant or odor modification treatment
A unit of measurement used to describe a particle or droplet and is 1/1,000,000 of a meter - ✔✔✔ -
Micron
The most common adsorption style filter used by odor control professionals is? - ✔✔✔ - Baking Soda
Gases recognized by the olfactory lobe? - ✔✔✔ - Odors
Odor detected by the sensation of smell and transmitted from the nose to the olfactory lobe are? -
✔✔✔ - Real odors
, The odors people believe they smell based on personal impressions, suggestion(s) and past
experience are? - ✔✔✔ - Psychological odors
The sense capable of distinguishing a variety of chemicals at very low levels is called the? - ✔✔✔ -
Olfactory sense
Electrically powered devices used to produce an oxidizing odor-control gas? - ✔✔✔ - Ozone
Generator
Prolonged exposure to ozone gas may damage? - ✔✔✔ - People, pets and natural rubber
Signs and symptoms of over exposure to ozone gas include - ✔✔✔ - Dry nose, sore throat, nosebleed
Hydroxyl molecules are the result of the chemical change when? - ✔✔✔ - Water vapor passing
through ultraviolet light
Hydroxyls and ozone are referred to as? - ✔✔✔ - Oxidizing agents
ULV units are electrically powered sprayers that may be used to fog the air space with? - ✔✔✔ -
Water-based deodorants and encapsulants
This ULV fogger creates droplets in the? - ✔✔✔ - 8 - 15 micron range
