1
National Pesticide Applicator
Certification Core Manual 2026 –
Actual Practice Exam Questions And
Answers
Which statement is true about protective clothing and equipment statements?
A. Pesticide labels are very consistent in the type of information they contain on
protective clothing and equipment.
B. When a respirator is required, the model is always specified on the label.
C. It is not necessary to follow all advice on protective clothing or equipment that
appears on the label.
D. If a pesticide label does not specifically mention a type of protective clothing or
equipment that does not rule out the need for the additional protection or
equipment. - correct-answer -D
"This product is highly toxic to bees" is an example of which type of precautionary
statement?
A. Acute toxicity hazard.
B. Environmental hazard.
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C. Physical or chemical hazard.
D. Agricultural use requirement. - correct-answer -B
Which is true about REIs (restricted-entry intervals)?
A. The pesticide manufacturer sets REIs
B. The REI statement is most often listed under "Non-agricultural use
requirements."
C. REIs are not covered under the EPA's Worker Protection Standard (WPS).
D. If there are multiple REIs on a label, the REIs are usually found at the beginning
of each use section for each crop. - correct-answer -D
How much active ingredient is there in a 20-pound bag of Atrazine 90DF?
A. 4 pounds.
B. 9 pounds.
C. 18 pounds.
D. 20 pounds. - correct-answer -C
What type of pesticide formulation consists of a liquid dispersed as droplets in
another liquid and may require agitiation?
A. Microencapsulated.
B. Solution.
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C. Suspension.
D. Emulsion. - correct-answer -C
Which liquid pesticide formulation contains solid particles that do not dissolve in
either water or oil and may contribute to abrasive wear of nozzles and pumps?
A. Ultra-low volume (ULV).
B. Invert emulsions.
C. Aerosols (A).
D. Flowables (F)/ Liquids (L). - correct-answer -D
Which dry/solid formulation requires constant agitation and may be abrasive to
pumps and nozzles and cause them to wear out quickly?
A. Dusts (D)
B. Granules (G)
C. Wettable powders (WP)
D. Soluble powders (SP) - correct-answer -C
Which type of dry/solid pesticide formulation is always dry and can easily drift to
non-target sites?
A. Dusts.
B. Granules.
National Pesticide Applicator
Certification Core Manual 2026 –
Actual Practice Exam Questions And
Answers
Which statement is true about protective clothing and equipment statements?
A. Pesticide labels are very consistent in the type of information they contain on
protective clothing and equipment.
B. When a respirator is required, the model is always specified on the label.
C. It is not necessary to follow all advice on protective clothing or equipment that
appears on the label.
D. If a pesticide label does not specifically mention a type of protective clothing or
equipment that does not rule out the need for the additional protection or
equipment. - correct-answer -D
"This product is highly toxic to bees" is an example of which type of precautionary
statement?
A. Acute toxicity hazard.
B. Environmental hazard.
, 2
C. Physical or chemical hazard.
D. Agricultural use requirement. - correct-answer -B
Which is true about REIs (restricted-entry intervals)?
A. The pesticide manufacturer sets REIs
B. The REI statement is most often listed under "Non-agricultural use
requirements."
C. REIs are not covered under the EPA's Worker Protection Standard (WPS).
D. If there are multiple REIs on a label, the REIs are usually found at the beginning
of each use section for each crop. - correct-answer -D
How much active ingredient is there in a 20-pound bag of Atrazine 90DF?
A. 4 pounds.
B. 9 pounds.
C. 18 pounds.
D. 20 pounds. - correct-answer -C
What type of pesticide formulation consists of a liquid dispersed as droplets in
another liquid and may require agitiation?
A. Microencapsulated.
B. Solution.
, 3
C. Suspension.
D. Emulsion. - correct-answer -C
Which liquid pesticide formulation contains solid particles that do not dissolve in
either water or oil and may contribute to abrasive wear of nozzles and pumps?
A. Ultra-low volume (ULV).
B. Invert emulsions.
C. Aerosols (A).
D. Flowables (F)/ Liquids (L). - correct-answer -D
Which dry/solid formulation requires constant agitation and may be abrasive to
pumps and nozzles and cause them to wear out quickly?
A. Dusts (D)
B. Granules (G)
C. Wettable powders (WP)
D. Soluble powders (SP) - correct-answer -C
Which type of dry/solid pesticide formulation is always dry and can easily drift to
non-target sites?
A. Dusts.
B. Granules.
