PESTICIDE APPLICATOR FINAL EXAM ACTUAL QUESTIONS
AND ANSWERS GRADED A+
✔✔"Do not breathe vapors or spray mist" is an example of a ____________ -
✔✔Specific action statement
✔✔Directions for mixing and loading a pesticide are usually found under
_________________ - ✔✔Directions for use
✔✔"If swallowed, call a doctor" is an example of what kind of statement? -
✔✔Mandatory
✔✔Who is responsible for developing SDSs for pesticides and providing them upon
request? - ✔✔the product manufacturer
✔✔The name "X-Pest 5G" on a pesticide label indicates a:
a) Granular pesticide with 5% active ingredient
b) Granular pesticide with 5% inert ingredients
c) Gel pesticide with 5% active ingredient - ✔✔a) Granular pesticide with 5% active
ingredient
✔✔Which is the pesticide formulation process by which solid particles are dispersed in
a liquid? - ✔✔suspension?
✔✔Which liquid pesticide formulation consists of a small amount of active ingredient
(1% or less per unit volume)? - ✔✔RTU, ready to use (low concentrate) solution
✔✔Which liquid pesticide formulation may approach 100% active ingredient? - ✔✔ULV,
ultra low volume
✔✔Which is a disadvantage of both EC and ULV formulations?
a) difficult to handle, transport, and store
b) require constant agitation to keep in suspension
c) solvents may cause rubber or plastic hoses, gaskets, pump parts, and other surfaces
to deteriorate - ✔✔c) solvents may cause rubber or plastic hoses, gaskets, pump parts,
and other surfaces to deteriorate
✔✔Which dry/solid formulation is mixed in water and reduces the risk of inhalation
exposure during mixing and loading? - ✔✔Water-dispersible granule (WDG) or dry
flowable (DF)
,✔✔Which type of dry/solid pesticide formulation consists of particles that are the same
weight and shape? - ✔✔pellet
✔✔Which is an advantage of microencapsulated materials?
a) delayed or slow release of active ingredient prolongs their effectiveness
b) their pesticidal activity is independent of weather conditions
c) they usually require only short restricted entry intervals - ✔✔a) delayed or slow
release of active ingredient prolongs their effectiveness
✔✔Which type of adjuvant functions as a wetting agent and spreader (ie physically
altering the surface tension of spray droplets) ? - ✔✔surfactant
✔✔Which type of adjuvant increases the viscosity of spray mixtures? - ✔✔thickener
✔✔What is A an abbreviation for? - ✔✔Aerosol
✔✔What is AF an abbreviation for? - ✔✔Aqueous Flowable
✔✔What is B an abbreviation for? - ✔✔bait
✔✔What is C an abbreviation for? - ✔✔concentrate
✔✔What is D an abbreviation for? - ✔✔Dust
✔✔What is DF an abbreviation for? - ✔✔Dry flowable
✔✔What is E or EC an abbreviation for? - ✔✔emulsifiable concentrate
✔✔What is F an abbreviation for? - ✔✔flowable
✔✔What is G an abbreviation for? - ✔✔granules
✔✔What is GL an abbreviation for? - ✔✔gel
✔✔What is L an abbreviation for? - ✔✔liquid
✔✔What is LC an abbreviation for? - ✔✔liquid concentrate
✔✔What is LV an abbreviation for? - ✔✔low volatile
✔✔What is M an abbreviation for? - ✔✔microencapsulated
,✔✔What is P or PS an abbreviation for? - ✔✔pellets
✔✔What is RTU an abbreviation for? - ✔✔ready to use
✔✔What is S an abbreviation for? - ✔✔solution
✔✔What is SP an abbreviation for? - ✔✔soluble powder
✔✔What is ULV an abbreviation for? - ✔✔ultra low volume
✔✔What is W or WP an abbreviation for? - ✔✔wettable powder
✔✔What is WDG an abbreviation for? - ✔✔water-dispersible granules
✔✔What is WSC an abbreviation for? - ✔✔water-soluble concentrate
✔✔What is WSL an abbreviation for? - ✔✔water-soluble liquid
✔✔What is WSP an abbreviation for? - ✔✔water-soluble powder
✔✔Advantages and disadvantages of EC? - ✔✔ADV
-easy to transport, handle, store
-easy to pour/measure
-little agitation required
-Not abrasive
-will not plug nozzles
-leave little visible residue
DISADV
-high concentration of AI --> easy overdose
-may damage treated plants or surfaces
-easily absorbed thru skin
-spills difficult to decontaminate
-strong odor
-solvents may wear equipment
-flammable/corrosive
✔✔Advantages and disadvantages of RTU S? - ✔✔adv
-convenient
-often sold with application equipment
-less exposure risk
disadv
-limited availability
-high cost
, ✔✔Advantages and disadvantages of C, LC, or WSC/WSL - ✔✔adv
-easy to handle, transport, store
-no agitation necessary
-not abrasive
-do not plug nozzles
-do not leave visible residue
disadv
-limited availability
-spills difficult to decontaminate
-easily absorbed thru skin
✔✔Advantages and Disadvantages of ULV - ✔✔adv
-easy to handle, transport, store
-little/no agitation necessary
-not abrasive
-do not plug nozzles
-little residue
disadv
-high drift risk
-specialized equipment required
-easily absorbed thru skin
-may cause parts to deteriorate
-special care required for calibration and application
✔✔Advantages and Disadvantages of Invert Emulsions - ✔✔adv
-low drift
-increased rate penetration/absorption
-decreased runoff
disadv
-difficult to treat under surfaces because droplets large/heavy
-limited availability
✔✔Advantages and Disadvantages of F or AF - ✔✔adv
-easy to handle
-low exposure risk
-not phytotoxic
-low clogging risk
-splashes less likely
disadv
-may settle, agitation required
-difficult to rinse
AND ANSWERS GRADED A+
✔✔"Do not breathe vapors or spray mist" is an example of a ____________ -
✔✔Specific action statement
✔✔Directions for mixing and loading a pesticide are usually found under
_________________ - ✔✔Directions for use
✔✔"If swallowed, call a doctor" is an example of what kind of statement? -
✔✔Mandatory
✔✔Who is responsible for developing SDSs for pesticides and providing them upon
request? - ✔✔the product manufacturer
✔✔The name "X-Pest 5G" on a pesticide label indicates a:
a) Granular pesticide with 5% active ingredient
b) Granular pesticide with 5% inert ingredients
c) Gel pesticide with 5% active ingredient - ✔✔a) Granular pesticide with 5% active
ingredient
✔✔Which is the pesticide formulation process by which solid particles are dispersed in
a liquid? - ✔✔suspension?
✔✔Which liquid pesticide formulation consists of a small amount of active ingredient
(1% or less per unit volume)? - ✔✔RTU, ready to use (low concentrate) solution
✔✔Which liquid pesticide formulation may approach 100% active ingredient? - ✔✔ULV,
ultra low volume
✔✔Which is a disadvantage of both EC and ULV formulations?
a) difficult to handle, transport, and store
b) require constant agitation to keep in suspension
c) solvents may cause rubber or plastic hoses, gaskets, pump parts, and other surfaces
to deteriorate - ✔✔c) solvents may cause rubber or plastic hoses, gaskets, pump parts,
and other surfaces to deteriorate
✔✔Which dry/solid formulation is mixed in water and reduces the risk of inhalation
exposure during mixing and loading? - ✔✔Water-dispersible granule (WDG) or dry
flowable (DF)
,✔✔Which type of dry/solid pesticide formulation consists of particles that are the same
weight and shape? - ✔✔pellet
✔✔Which is an advantage of microencapsulated materials?
a) delayed or slow release of active ingredient prolongs their effectiveness
b) their pesticidal activity is independent of weather conditions
c) they usually require only short restricted entry intervals - ✔✔a) delayed or slow
release of active ingredient prolongs their effectiveness
✔✔Which type of adjuvant functions as a wetting agent and spreader (ie physically
altering the surface tension of spray droplets) ? - ✔✔surfactant
✔✔Which type of adjuvant increases the viscosity of spray mixtures? - ✔✔thickener
✔✔What is A an abbreviation for? - ✔✔Aerosol
✔✔What is AF an abbreviation for? - ✔✔Aqueous Flowable
✔✔What is B an abbreviation for? - ✔✔bait
✔✔What is C an abbreviation for? - ✔✔concentrate
✔✔What is D an abbreviation for? - ✔✔Dust
✔✔What is DF an abbreviation for? - ✔✔Dry flowable
✔✔What is E or EC an abbreviation for? - ✔✔emulsifiable concentrate
✔✔What is F an abbreviation for? - ✔✔flowable
✔✔What is G an abbreviation for? - ✔✔granules
✔✔What is GL an abbreviation for? - ✔✔gel
✔✔What is L an abbreviation for? - ✔✔liquid
✔✔What is LC an abbreviation for? - ✔✔liquid concentrate
✔✔What is LV an abbreviation for? - ✔✔low volatile
✔✔What is M an abbreviation for? - ✔✔microencapsulated
,✔✔What is P or PS an abbreviation for? - ✔✔pellets
✔✔What is RTU an abbreviation for? - ✔✔ready to use
✔✔What is S an abbreviation for? - ✔✔solution
✔✔What is SP an abbreviation for? - ✔✔soluble powder
✔✔What is ULV an abbreviation for? - ✔✔ultra low volume
✔✔What is W or WP an abbreviation for? - ✔✔wettable powder
✔✔What is WDG an abbreviation for? - ✔✔water-dispersible granules
✔✔What is WSC an abbreviation for? - ✔✔water-soluble concentrate
✔✔What is WSL an abbreviation for? - ✔✔water-soluble liquid
✔✔What is WSP an abbreviation for? - ✔✔water-soluble powder
✔✔Advantages and disadvantages of EC? - ✔✔ADV
-easy to transport, handle, store
-easy to pour/measure
-little agitation required
-Not abrasive
-will not plug nozzles
-leave little visible residue
DISADV
-high concentration of AI --> easy overdose
-may damage treated plants or surfaces
-easily absorbed thru skin
-spills difficult to decontaminate
-strong odor
-solvents may wear equipment
-flammable/corrosive
✔✔Advantages and disadvantages of RTU S? - ✔✔adv
-convenient
-often sold with application equipment
-less exposure risk
disadv
-limited availability
-high cost
, ✔✔Advantages and disadvantages of C, LC, or WSC/WSL - ✔✔adv
-easy to handle, transport, store
-no agitation necessary
-not abrasive
-do not plug nozzles
-do not leave visible residue
disadv
-limited availability
-spills difficult to decontaminate
-easily absorbed thru skin
✔✔Advantages and Disadvantages of ULV - ✔✔adv
-easy to handle, transport, store
-little/no agitation necessary
-not abrasive
-do not plug nozzles
-little residue
disadv
-high drift risk
-specialized equipment required
-easily absorbed thru skin
-may cause parts to deteriorate
-special care required for calibration and application
✔✔Advantages and Disadvantages of Invert Emulsions - ✔✔adv
-low drift
-increased rate penetration/absorption
-decreased runoff
disadv
-difficult to treat under surfaces because droplets large/heavy
-limited availability
✔✔Advantages and Disadvantages of F or AF - ✔✔adv
-easy to handle
-low exposure risk
-not phytotoxic
-low clogging risk
-splashes less likely
disadv
-may settle, agitation required
-difficult to rinse
