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Ohio Pesticide Applicator Core
Certification Questions and Correct
Answers|Latest 2025/2026
DANGER -CORRECT-ANSWER-pesticide is highly toxic and will cause acute effects
will also carry words "POISON" and skull and crossbones (unless the danger is to
skin or eyes)
WARNING -CORRECT-ANSWER-product is likely to cause acute effects
CAUTION -CORRECT-ANSWER-product slightly toxic or relatively nontoxic
statement of practical treatment -CORRECT-ANSWER-instructions on how to
respond to an emergency exposure
first aid measures and medical help
-must be included or alluded to on front panel
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acute effects statement -CORRECT-ANSWER-labeling will include statements about
which route of entry you must particularly protect and how to avoid effects
PPE statements -CORRECT-ANSWER-tell you the minimum amount of PPE that
must be worn when using that pesticide
environmental hazards -CORRECT-ANSWER-indicate the environmental effects
-ex: "highly toxic to aquatic life"
physical/chemical hazards -CORRECT-ANSWER-tell of any fire, explosive, or
chemical hazards posed
located on the front panel in a special box indicated by "notes" or "important"
direction for use -CORRECT-ANSWER-federal law statement thats directly under
the heading
contains sections on storage and disposal and entry into treated areas
uses allowed but not specified -CORRECT-ANSWER-applying dosage less than
listed, applying pesticide to pest not listed if its a plant/animal/site listed, using
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equipment not prohibited by label, mixing pesticides with fertilizer if not
prohibited, mixing pesticide if all dosages are below recommended rate
entry statement -CORRECT-ANSWER-precaution of entering treated area after
application
listed under "entry' "important" "note'
storage and disposal statement -CORRECT-ANSWER-tells where to legally dispose
use instructions -CORRECT-ANSWER-tells the pests it will control,
plant/animals/site its intended to protect, in what form the product should be
applied, correct equipment to use, mixing directions, whether product will
cause injury/stain,
where it should be applied, and when and how often it should be applied
use by reference -CORRECT-ANSWER-some directions are referred to (ex: laws and
regulations)
the sprayer is responsible for learning these
recently adopted by EPA -CORRECT-ANSWER-ground water protection,
endangered species protection, disposal/transportation/storage, workers
protection
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-these place responsibility on user
inert ingredients -CORRECT-ANSWER-inactive ingredients used for dilution
emulsifiable concentrate (EC) -CORRECT-ANSWER-contains one or more
petroleum based solvent and an agent that allows the formulation to be mixed
with water
25-75% active ingredient
liquid pesticide
advantages: nonabrasive, easy (storage/transportation), little visible residue
disadvantages: easy to over/underdose, harmful to plants, easily adsorbed,
deteriorate rubber
ready to use pesticide -CORRECT-ANSWER-don’t have to dilute, usually contains
less than 1% active
concentrate solutions (C) -CORRECT-ANSWER-must be diluted with liquid solvent
(water/refined oil)
used for shade control, in barns/warehouses, household pests
advantages: no agitation necessary
disadvantages: limited number of formulations made like this
Ohio Pesticide Applicator Core
Certification Questions and Correct
Answers|Latest 2025/2026
DANGER -CORRECT-ANSWER-pesticide is highly toxic and will cause acute effects
will also carry words "POISON" and skull and crossbones (unless the danger is to
skin or eyes)
WARNING -CORRECT-ANSWER-product is likely to cause acute effects
CAUTION -CORRECT-ANSWER-product slightly toxic or relatively nontoxic
statement of practical treatment -CORRECT-ANSWER-instructions on how to
respond to an emergency exposure
first aid measures and medical help
-must be included or alluded to on front panel
,2|Page
acute effects statement -CORRECT-ANSWER-labeling will include statements about
which route of entry you must particularly protect and how to avoid effects
PPE statements -CORRECT-ANSWER-tell you the minimum amount of PPE that
must be worn when using that pesticide
environmental hazards -CORRECT-ANSWER-indicate the environmental effects
-ex: "highly toxic to aquatic life"
physical/chemical hazards -CORRECT-ANSWER-tell of any fire, explosive, or
chemical hazards posed
located on the front panel in a special box indicated by "notes" or "important"
direction for use -CORRECT-ANSWER-federal law statement thats directly under
the heading
contains sections on storage and disposal and entry into treated areas
uses allowed but not specified -CORRECT-ANSWER-applying dosage less than
listed, applying pesticide to pest not listed if its a plant/animal/site listed, using
,3|Page
equipment not prohibited by label, mixing pesticides with fertilizer if not
prohibited, mixing pesticide if all dosages are below recommended rate
entry statement -CORRECT-ANSWER-precaution of entering treated area after
application
listed under "entry' "important" "note'
storage and disposal statement -CORRECT-ANSWER-tells where to legally dispose
use instructions -CORRECT-ANSWER-tells the pests it will control,
plant/animals/site its intended to protect, in what form the product should be
applied, correct equipment to use, mixing directions, whether product will
cause injury/stain,
where it should be applied, and when and how often it should be applied
use by reference -CORRECT-ANSWER-some directions are referred to (ex: laws and
regulations)
the sprayer is responsible for learning these
recently adopted by EPA -CORRECT-ANSWER-ground water protection,
endangered species protection, disposal/transportation/storage, workers
protection
, 4|Page
-these place responsibility on user
inert ingredients -CORRECT-ANSWER-inactive ingredients used for dilution
emulsifiable concentrate (EC) -CORRECT-ANSWER-contains one or more
petroleum based solvent and an agent that allows the formulation to be mixed
with water
25-75% active ingredient
liquid pesticide
advantages: nonabrasive, easy (storage/transportation), little visible residue
disadvantages: easy to over/underdose, harmful to plants, easily adsorbed,
deteriorate rubber
ready to use pesticide -CORRECT-ANSWER-don’t have to dilute, usually contains
less than 1% active
concentrate solutions (C) -CORRECT-ANSWER-must be diluted with liquid solvent
(water/refined oil)
used for shade control, in barns/warehouses, household pests
advantages: no agitation necessary
disadvantages: limited number of formulations made like this
