National Pesticide Applicator Certification EXAM 2024-2025
QUESTIONS AND ANSWERS 100 % PASS SOLUTION A+ GRADE
Which statement about PPE requirements listed on the pesticide label is true?
A. A label may have different PPE requirements for pesticide handlers and early-entry
workers
B. You are not required to wear all the PPE listed on the label
C. Wearing the PE listed on the label eliminates your exposure to pesticides - answer>>A
Which part of the product formulation determines what glove type is needed?
A. Active ingredient
B. Surfactants
C. Solvents - answer>>C
If there are no manufacturer use recommendations, a pesticide applicator should replace the
chemical cartridges of his or her respirator
A. At the end of each season
B. After one week of use
C. At the end of each workday - answer>>C
When oil may be present which particulate filter must be used
A.N-series
B. P-series
C. Dust mask - answer>>B
Air-purifying respirators protect applicators from pesticide exposure by
A. Filtering and/or absorbing the pesticide
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, B. Breaking down the pesticide
C. Neutralizing the pesticide - answer>>A
You should do a qualitative fit test of your respirator
A. Every five years
B. Semiannually
C. If you have a significant change in weight - answer>>C
Every time you wear any tight-fitting respirator to apply pesticides, you should first
A. Perform seal check
B. Do a qualitative fit test
C. Put Vaseline on the edges of the respirator to enhance the seal - answer>>A
Which statement about washing work clothes soaked with a pesticide concentrate is true?
A. Use cold water and one wash cycle
B. Wash separately from other laundry items
C. Do not attempt to wash it --dispose of it immediately - answer>>C
Work clothes worn to apply pesticides should be laundered with a suitable detergent
A. After each day's use
B. After they get wet with spray
C. When they have a strong odor like the pesticide - answer>>A
Which Property of a pesticide would make it more likely to move in surface water runoff?
A. High solubility
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, B. High adsorption
C. High Volatility - answer>>A
Which statement about movement of pesticides from the application site is true?
A. Drift is seldom an issue with indoor applications
B. Runoff and erosion are sources of surface water contamination by pesticides
C. Leaching is the main way that pesticides move great distances - answer>>B
Which is an example of nonpoint-source contamination of groundwater?
A. Back-siphoning of pesticide spills at a wellhead
B. Leaching from a pesticide mixing areas.
C. Pesticides that dissolve and leach through soil after it rains. - answer>>C
Under which conditions are pesticides more likely to leach through soil?
A. Heavy clay soil, high in organic matter
B. Sandy soil, High in organic matter
C. Sandy soil, low in organic matter - answer>>C
Which best management practice will help prevent contamination of surface water and groundwater
by pesticides?
A. using pesticides that are highly water soluble.
B. Following IPM principles
C. Selecting persistent pesticides - answer>>B
Which two factors are most important in avoiding vapor drift?
A. Droplet size and wind speed.
© Only Students - D.N stuvia.
QUESTIONS AND ANSWERS 100 % PASS SOLUTION A+ GRADE
Which statement about PPE requirements listed on the pesticide label is true?
A. A label may have different PPE requirements for pesticide handlers and early-entry
workers
B. You are not required to wear all the PPE listed on the label
C. Wearing the PE listed on the label eliminates your exposure to pesticides - answer>>A
Which part of the product formulation determines what glove type is needed?
A. Active ingredient
B. Surfactants
C. Solvents - answer>>C
If there are no manufacturer use recommendations, a pesticide applicator should replace the
chemical cartridges of his or her respirator
A. At the end of each season
B. After one week of use
C. At the end of each workday - answer>>C
When oil may be present which particulate filter must be used
A.N-series
B. P-series
C. Dust mask - answer>>B
Air-purifying respirators protect applicators from pesticide exposure by
A. Filtering and/or absorbing the pesticide
© Only Students - D.N stuvia.
, B. Breaking down the pesticide
C. Neutralizing the pesticide - answer>>A
You should do a qualitative fit test of your respirator
A. Every five years
B. Semiannually
C. If you have a significant change in weight - answer>>C
Every time you wear any tight-fitting respirator to apply pesticides, you should first
A. Perform seal check
B. Do a qualitative fit test
C. Put Vaseline on the edges of the respirator to enhance the seal - answer>>A
Which statement about washing work clothes soaked with a pesticide concentrate is true?
A. Use cold water and one wash cycle
B. Wash separately from other laundry items
C. Do not attempt to wash it --dispose of it immediately - answer>>C
Work clothes worn to apply pesticides should be laundered with a suitable detergent
A. After each day's use
B. After they get wet with spray
C. When they have a strong odor like the pesticide - answer>>A
Which Property of a pesticide would make it more likely to move in surface water runoff?
A. High solubility
© Only Students - D.N stuvia.
, B. High adsorption
C. High Volatility - answer>>A
Which statement about movement of pesticides from the application site is true?
A. Drift is seldom an issue with indoor applications
B. Runoff and erosion are sources of surface water contamination by pesticides
C. Leaching is the main way that pesticides move great distances - answer>>B
Which is an example of nonpoint-source contamination of groundwater?
A. Back-siphoning of pesticide spills at a wellhead
B. Leaching from a pesticide mixing areas.
C. Pesticides that dissolve and leach through soil after it rains. - answer>>C
Under which conditions are pesticides more likely to leach through soil?
A. Heavy clay soil, high in organic matter
B. Sandy soil, High in organic matter
C. Sandy soil, low in organic matter - answer>>C
Which best management practice will help prevent contamination of surface water and groundwater
by pesticides?
A. using pesticides that are highly water soluble.
B. Following IPM principles
C. Selecting persistent pesticides - answer>>B
Which two factors are most important in avoiding vapor drift?
A. Droplet size and wind speed.
© Only Students - D.N stuvia.
