SOIL FUMIGATION WI MASTER DECK.
EXAM QUESTIONS AND ANSWERS 100%
PASS.
Chapter 1 - Soil Fumigants Definition - ANS Volatile pesticides that emit toxic gases in soil to
control pests.
Chapter 1 - Primary human exposure route - ANS Acute inhalation exposure.
Chapter 1 - Volatilization - ANS Change from liquid or solid into a gas.
Chapter 1 - Fumigant movement - ANS Moves through soil pore spaces and sometimes soil
water.
Chapter 1 - Adsorb vs Absorb - ANS Adsorb = sticks to surface; Absorb = dissolves in medium.
Chapter 1 - Most at-risk group - ANS Fumigant handlers.
Chapter 1 - Off-gassing definition - ANS Escape of fumigant vapors into atmosphere.
Chapter 1 - Common exposure symptoms - ANS Eye irritation, dizziness, nausea, coughing,
tremors.
2026 STUDY MATERIAL @COPYRIGHT RESERVED 1
, Chapter 1 - 1,3-D only label exception - ANS Lacks some newer buffer/FMP requirements
(check label).
Methyl Bromide - Volatility - ANS Most highly volatile soil fumigant.
Methyl Bromide - Soil diffusion distance - ANS Up to 36 inches.
Methyl Bromide - Warning agent required - ANS Chloropicrin minimum 2%.
Methyl Bromide - Tarping required - ANS Yes (except certain tree-hole uses).
Methyl Bromide - Phase-out reason - ANS Ozone depletion (Montreal Protocol).
Methyl Bromide - Corrosive to - ANS PVC, nylon, aluminum, galvanized metal.
Methyl Bromide - Severe poisoning risk - ANS Pulmonary edema.
Chloropicrin - Primary purpose in mixtures - ANS Warning agent (tear gas effect).
Chloropicrin - Irritation level - ANS Can irritate eyes at 1 ppm.
Chloropicrin - Soil movement distance - ANS 6-12 inches.
Chloropicrin - Compatible fittings - ANS Brass, carbon steel, stainless steel.
Chloropicrin - Avoid materials - ANS Aluminum, galvanized metal, PVC, nylon.
Chloropicrin - Severe exposure risk - ANS Pulmonary edema possible.
2026 STUDY MATERIAL @COPYRIGHT RESERVED 2
EXAM QUESTIONS AND ANSWERS 100%
PASS.
Chapter 1 - Soil Fumigants Definition - ANS Volatile pesticides that emit toxic gases in soil to
control pests.
Chapter 1 - Primary human exposure route - ANS Acute inhalation exposure.
Chapter 1 - Volatilization - ANS Change from liquid or solid into a gas.
Chapter 1 - Fumigant movement - ANS Moves through soil pore spaces and sometimes soil
water.
Chapter 1 - Adsorb vs Absorb - ANS Adsorb = sticks to surface; Absorb = dissolves in medium.
Chapter 1 - Most at-risk group - ANS Fumigant handlers.
Chapter 1 - Off-gassing definition - ANS Escape of fumigant vapors into atmosphere.
Chapter 1 - Common exposure symptoms - ANS Eye irritation, dizziness, nausea, coughing,
tremors.
2026 STUDY MATERIAL @COPYRIGHT RESERVED 1
, Chapter 1 - 1,3-D only label exception - ANS Lacks some newer buffer/FMP requirements
(check label).
Methyl Bromide - Volatility - ANS Most highly volatile soil fumigant.
Methyl Bromide - Soil diffusion distance - ANS Up to 36 inches.
Methyl Bromide - Warning agent required - ANS Chloropicrin minimum 2%.
Methyl Bromide - Tarping required - ANS Yes (except certain tree-hole uses).
Methyl Bromide - Phase-out reason - ANS Ozone depletion (Montreal Protocol).
Methyl Bromide - Corrosive to - ANS PVC, nylon, aluminum, galvanized metal.
Methyl Bromide - Severe poisoning risk - ANS Pulmonary edema.
Chloropicrin - Primary purpose in mixtures - ANS Warning agent (tear gas effect).
Chloropicrin - Irritation level - ANS Can irritate eyes at 1 ppm.
Chloropicrin - Soil movement distance - ANS 6-12 inches.
Chloropicrin - Compatible fittings - ANS Brass, carbon steel, stainless steel.
Chloropicrin - Avoid materials - ANS Aluminum, galvanized metal, PVC, nylon.
Chloropicrin - Severe exposure risk - ANS Pulmonary edema possible.
2026 STUDY MATERIAL @COPYRIGHT RESERVED 2
