CPR CPR Odor Control & Deodorization

Question 1

Which deodorization method uses hydroxyl radicals generated by UV light to neutralize odor molecules in the air?

Accepted Answer

Hydroxyl generator

Answer

Ozone treatment

Answer

Thermal fogging

Answer

Wet spraying

Question 2

Why must ozone generators NOT be operated in occupied buildings during treatment?

Accepted Answer

Ozone at high concentrations is toxic to humans and animals

Answer

They are too loud for occupied spaces

Answer

They require 220V power not available in homes

Answer

They damage electronic equipment only

Question 3

Thermal fogging deodorizes by:

Accepted Answer

Heating a deodorant solvent into a fine fog that penetrates porous materials

Answer

Freezing odor molecules to the surface

Answer

Applying wet chemical solutions with a sprayer

Answer

Using UV light to break down odor compounds

Question 4

What is the correct sequence for deodorizing a fire-damaged structure?

Accepted Answer

Remove debris → Clean surfaces → Deodorize → Seal if needed

Answer

Deodorize → Remove debris → Clean surfaces → Seal

Answer

Seal → Deodorize → Clean → Remove debris

Answer

Deodorize → Seal → Clean → Remove debris

Question 5

Which material typically requires encapsulant sealer after cleaning to permanently address embedded smoke odors?

Accepted Answer

Structural wood framing with heavy charring

Answer

Ceramic tile

Answer

Painted drywall with light soot

Answer

Vinyl flooring

Question 6

Counter-odor (masking) agents are considered a permanent deodorization solution in professional restoration.

Accepted Answer

False — they only temporarily cover odors without removing the source

Answer

True — they neutralize odor molecules chemically

Answer

True — if applied at high enough concentration

Answer

False — only ozone provides permanent results