NC Phase F Practice Questions - North Carolina Structural Pest Control - Fumigation (Phase F) Exam

Why is chloropicrin introduced into a structure before or with the primary fumigant in many structural fumigations?

It is the actual fumigant that kills the pests It serves as a warning agent (lachrymator) because the primary fumigant is odorless It speeds the chemical breakdown of the fumigant It neutralizes the fumigant after the exposure period

Correct Answer:

It serves as a warning agent (lachrymator) because the primary fumigant is odorless

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