SOIL FUMIGATION 1 EXAM QUESTIONS
AND ANSWERS 100% PASS.
Where must fumigation signs be posted? - ANS At all entrances to the treated area and
around the buffer zone perimeter.
When must posting signs be placed? - ANS Before fumigation begins.
When can posting signs be removed? - ANS After buffer zone and entry-restricted period end.
What is a carcinogen? - ANS A substance capable of causing cancer.
Which fumigant is classified as a probable human carcinogen? - ANS 1,3-Dichloropropene
(1,3-D).
Why is chloropicrin added to methyl bromide? - ANS To act as a warning agent due to its
tear-gas effect.
Minimum chloropicrin required in soil methyl bromide? - ANS 2%.
What is a temperature inversion? - ANS Warm air above cooler air trapping vapors near the
ground.
2026 STUDY MATERIAL @COPYRIGHT RESERVED 1
AND ANSWERS 100% PASS.
Where must fumigation signs be posted? - ANS At all entrances to the treated area and
around the buffer zone perimeter.
When must posting signs be placed? - ANS Before fumigation begins.
When can posting signs be removed? - ANS After buffer zone and entry-restricted period end.
What is a carcinogen? - ANS A substance capable of causing cancer.
Which fumigant is classified as a probable human carcinogen? - ANS 1,3-Dichloropropene
(1,3-D).
Why is chloropicrin added to methyl bromide? - ANS To act as a warning agent due to its
tear-gas effect.
Minimum chloropicrin required in soil methyl bromide? - ANS 2%.
What is a temperature inversion? - ANS Warm air above cooler air trapping vapors near the
ground.
2026 STUDY MATERIAL @COPYRIGHT RESERVED 1
