Odor Control Technician Practice Questions - IICRC Odor Control Technician (OCT) Exam

Cigarette smoke odor is particularly difficult to remove because:

It is composed only of large particles that settle quickly It deposits a sticky, tar-laden residue that penetrates porous materials and continuously off-gases It contains no chemicals that bind to surfaces It only affects fabrics, not hard surfaces

Correct Answer:

It deposits a sticky, tar-laden residue that penetrates porous materials and continuously off-gases

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