TENNESSEE PESTICIDE ANSWERS AND QUESTIONS
SURE A+
✔✔What is the Pre-Harvest Interval (PHI)? - ✔✔The minimum wait time between
pesticide application and harvest.
✔✔What are the penalties for operating a pest control business without a charter in
Tennessee? - ✔✔Class A Misdemeanor: up to $2,500 fine and/or up to 11 months, 29
days in jail.
✔✔What is the penalty for cheating on the pesticide certification exam in Tennessee? -
✔✔2-year testing disqualification and possible revocation of existing credentials.
✔✔What is the technician grace period for certification in Tennessee? - ✔✔90 days
from hire to become certified while working under a licensed operator.
✔✔What does the EPA Registration Number identify? - ✔✔The specific approved
pesticide product.
✔✔What does the EPA Establishment Number identify? - ✔✔The manufacturing facility
of the pesticide.
✔✔What is the significance of the skull-and-crossbones symbol on pesticide labels? -
✔✔It indicates a Category I product, which is highly toxic.
✔✔What is the LD50 for Category I toxicity? - ✔✔≤ 50 mg/kg
✔✔What does a Category II signal word indicate? - ✔✔WARNING
✔✔What is the dermal LD50 for Category III? - ✔✔2,000-20,000 mg/kg
✔✔What are the eye effects associated with Category I toxicity? - ✔✔Corrosive; corneal
opacity not reversible in 7 days
, ✔✔What is the probable lethal oral dose for a 150-lb adult in Category I? - ✔✔A few
drops to 1 teaspoon
✔✔What is the Spanish equivalent for DANGER on pesticide labels? - ✔✔PELIGRO
✔✔What is the main difference between acute and chronic toxicity? - ✔✔Acute toxicity
results from a single exposure, while chronic toxicity results from repeated small doses
over time.
✔✔What are the muscarinic symptoms of organophosphate poisoning? - ✔✔Salivation,
Lacrimation, Urination, Defecation, GI cramping, Emesis, miosis, wheezing, slow heart
rate.
✔✔What is the first aid action for skin exposure to pesticides? - ✔✔Remove
contaminated clothing immediately; wash exposed skin with soap and running water for
15+ minutes.
✔✔What should you do if someone inhales pesticide? - ✔✔Move to fresh air
immediately; loosen tight clothing; give artificial respiration if not breathing.
✔✔What is the required PPE for Category I dermal exposure? - ✔✔Coveralls over long-
sleeved shirt & long pants, socks, chemical-resistant footwear & gloves.
✔✔What is the inhalation LC50 for Category IV? - ✔✔> 20 mg/L
✔✔What is the primary mechanism of pyrethroid poisoning? - ✔✔Acts on sodium
channels.
✔✔What should be done if a pesticide is ingested? - ✔✔Read the label's first-aid
statement FIRST; call Poison Control or a physician immediately.
✔✔What is the minimum PPE required for Category II inhalation exposure? -
✔✔Respirator required.
✔✔What is dermal sensitization? - ✔✔A product either is or isn't a sensitizer, tracked
separately from toxicity categories.
✔✔What is the risk associated with temperature inversions during pesticide application?
- ✔✔They trap fine droplets in stable air, allowing them to drift unpredictably.
✔✔What type of drift is caused by the physical movement of spray droplets? -
✔✔Particle (droplet) drift.
SURE A+
✔✔What is the Pre-Harvest Interval (PHI)? - ✔✔The minimum wait time between
pesticide application and harvest.
✔✔What are the penalties for operating a pest control business without a charter in
Tennessee? - ✔✔Class A Misdemeanor: up to $2,500 fine and/or up to 11 months, 29
days in jail.
✔✔What is the penalty for cheating on the pesticide certification exam in Tennessee? -
✔✔2-year testing disqualification and possible revocation of existing credentials.
✔✔What is the technician grace period for certification in Tennessee? - ✔✔90 days
from hire to become certified while working under a licensed operator.
✔✔What does the EPA Registration Number identify? - ✔✔The specific approved
pesticide product.
✔✔What does the EPA Establishment Number identify? - ✔✔The manufacturing facility
of the pesticide.
✔✔What is the significance of the skull-and-crossbones symbol on pesticide labels? -
✔✔It indicates a Category I product, which is highly toxic.
✔✔What is the LD50 for Category I toxicity? - ✔✔≤ 50 mg/kg
✔✔What does a Category II signal word indicate? - ✔✔WARNING
✔✔What is the dermal LD50 for Category III? - ✔✔2,000-20,000 mg/kg
✔✔What are the eye effects associated with Category I toxicity? - ✔✔Corrosive; corneal
opacity not reversible in 7 days
, ✔✔What is the probable lethal oral dose for a 150-lb adult in Category I? - ✔✔A few
drops to 1 teaspoon
✔✔What is the Spanish equivalent for DANGER on pesticide labels? - ✔✔PELIGRO
✔✔What is the main difference between acute and chronic toxicity? - ✔✔Acute toxicity
results from a single exposure, while chronic toxicity results from repeated small doses
over time.
✔✔What are the muscarinic symptoms of organophosphate poisoning? - ✔✔Salivation,
Lacrimation, Urination, Defecation, GI cramping, Emesis, miosis, wheezing, slow heart
rate.
✔✔What is the first aid action for skin exposure to pesticides? - ✔✔Remove
contaminated clothing immediately; wash exposed skin with soap and running water for
15+ minutes.
✔✔What should you do if someone inhales pesticide? - ✔✔Move to fresh air
immediately; loosen tight clothing; give artificial respiration if not breathing.
✔✔What is the required PPE for Category I dermal exposure? - ✔✔Coveralls over long-
sleeved shirt & long pants, socks, chemical-resistant footwear & gloves.
✔✔What is the inhalation LC50 for Category IV? - ✔✔> 20 mg/L
✔✔What is the primary mechanism of pyrethroid poisoning? - ✔✔Acts on sodium
channels.
✔✔What should be done if a pesticide is ingested? - ✔✔Read the label's first-aid
statement FIRST; call Poison Control or a physician immediately.
✔✔What is the minimum PPE required for Category II inhalation exposure? -
✔✔Respirator required.
✔✔What is dermal sensitization? - ✔✔A product either is or isn't a sensitizer, tracked
separately from toxicity categories.
✔✔What is the risk associated with temperature inversions during pesticide application?
- ✔✔They trap fine droplets in stable air, allowing them to drift unpredictably.
✔✔What type of drift is caused by the physical movement of spray droplets? -
✔✔Particle (droplet) drift.
