NATIONAL PESTICIDE APPLICATOR
CERTIFICATION CORE MANUAL EXAMS EXAM
STUDY GUIDE 2026
◉ Directions for mixing and loading a pesticide are usually found
under:
A. The agricultural use requirements
B. The directions for use
C. Environmental hazards
D. Precautionary statements. Answer: B. The directions for use
◉ Who is responsible for developing MSDSs on specific chemicals
and providing them on request?
A. The EPA
B. The USDA
,C. OSHA
D. The product manufacturer. Answer: D. The product manufacturer
◉ The name "Sevin 5G" on a pesticide label indicates:
A. A granular pesticide with
B. A gel pesticide with 5 percent active ingredients
C. A granular pesticide with 5 percent active ingredients
D. A gel pesticide with 5 percent inert ingredients. Answer: C. A
granular pesticide with 5 percent active ingredients
◉ Which is the pesticide formulation process by which solid
particles are dispersed in a liquid?
A. ULV solvents
B. Solution
,C. Suspension
D. Emulsion. Answer: C. Suspension
◉ Which liquid pesticide formulation consists of a small amount of
active ingredient (often 1 percent or less per unit volume) dissolved
in an organic solvent?
A. Emulsifiable concentrate (EC)
B. Ready-to-use low-concentrate solutions (RTU)
C. Ultra-low volume (ULV)
D. Flowables (F)/liquids (L). Answer: B. Ready-to-use low-
concentrate solutions (RTU)
◉ Which liquid pesticide formulation may approach 100 percent
active ingredient?
A. Emulsifiable concentrate (EC)
B. Ready-to-use low-concentrate solutions (RTU)
, C. Ultra-low volume (ULV)
D. Aerosols (A). Answer: C. Ultra-low volume (ULV)
◉ Which is a disadvantage of both EC and ULV formulations?
A. Solvents may cause rubber or plastic hoses, gaskets, and pump
parts and surfaces to deteriorate
B. Contribute to abrasive wear of nozzles and pumps
C. Require constant agitation to keep in suspension
D. Difficult to handle, transport, and store. Answer: A. Solvents may
cause rubber or plastic hoses, gaskets, and pump parts and surfaces
to deteriorate
◉ Which dry/solid formulation is mixed in water and reduces the
risk of inhalation exposure during mixing and loading?
A. Dusts (D)
CERTIFICATION CORE MANUAL EXAMS EXAM
STUDY GUIDE 2026
◉ Directions for mixing and loading a pesticide are usually found
under:
A. The agricultural use requirements
B. The directions for use
C. Environmental hazards
D. Precautionary statements. Answer: B. The directions for use
◉ Who is responsible for developing MSDSs on specific chemicals
and providing them on request?
A. The EPA
B. The USDA
,C. OSHA
D. The product manufacturer. Answer: D. The product manufacturer
◉ The name "Sevin 5G" on a pesticide label indicates:
A. A granular pesticide with
B. A gel pesticide with 5 percent active ingredients
C. A granular pesticide with 5 percent active ingredients
D. A gel pesticide with 5 percent inert ingredients. Answer: C. A
granular pesticide with 5 percent active ingredients
◉ Which is the pesticide formulation process by which solid
particles are dispersed in a liquid?
A. ULV solvents
B. Solution
,C. Suspension
D. Emulsion. Answer: C. Suspension
◉ Which liquid pesticide formulation consists of a small amount of
active ingredient (often 1 percent or less per unit volume) dissolved
in an organic solvent?
A. Emulsifiable concentrate (EC)
B. Ready-to-use low-concentrate solutions (RTU)
C. Ultra-low volume (ULV)
D. Flowables (F)/liquids (L). Answer: B. Ready-to-use low-
concentrate solutions (RTU)
◉ Which liquid pesticide formulation may approach 100 percent
active ingredient?
A. Emulsifiable concentrate (EC)
B. Ready-to-use low-concentrate solutions (RTU)
, C. Ultra-low volume (ULV)
D. Aerosols (A). Answer: C. Ultra-low volume (ULV)
◉ Which is a disadvantage of both EC and ULV formulations?
A. Solvents may cause rubber or plastic hoses, gaskets, and pump
parts and surfaces to deteriorate
B. Contribute to abrasive wear of nozzles and pumps
C. Require constant agitation to keep in suspension
D. Difficult to handle, transport, and store. Answer: A. Solvents may
cause rubber or plastic hoses, gaskets, and pump parts and surfaces
to deteriorate
◉ Which dry/solid formulation is mixed in water and reduces the
risk of inhalation exposure during mixing and loading?
A. Dusts (D)
