Pg. 1
NATIONAL PESTICIDE APPLICATOR
CERTIFICATION CORE
MANUAL/NATIONAL PESTICIDE
APPLICATOR CERTIFICATION CORE
MANUAL STUDY NOTES/ QUESTIONS
EXAM NEWEST 2025 ACTUAL EXAM TEST
BANK 435 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED
ANSWERS) AND A PRACTICE EXAM
|ALREADY GRADED A+
NATIONAL PESTICIDE APPLICATOR CERTIFICATION CORE MANUAL EXAM
According to EPA criteria, what type of respirator must you wear when applying
liquid pesticide products from Toxicity Class I?
A. Use a NIOSH-approved respirator with any N, R, P or 100 series prefilter
B. Use a NIOSH-approved respirator with an organic vapor (OV) cartridge or
canister with any N, R, P, or 100 series prefilter
C. Use an air-supplying respirator (NIOSH TC-19C)
,Pg. 2
D. Use a self-contained breathing apparatus (NIOSH TC-13F) - CORRECT
ANSWER ✔✔- B. Use a NIOSH-approved respirator with an organic vapor (OV)
cartridge or canister with any N, R, P, or 100 series prefilter
What is the purpose of the fit check
A. To select the right size respirator for the user
B. To make sure you have a tight-fitting seal with no leakages each time you use
the respirator
C. To see if you can taste or smell any substance leaking into the mask
D. To measure respirator fit by comparing the dust concentration in the
surrounding air with the dust concentration inside the respirator - CORRECT
ANSWER ✔✔- B. To make sure you have a tight-fitting seal with no leakages
each time you use the respirator
Which is "true" about disposable PPE?
A. Inexpensive disposables may be a good choice for brief pesticide-handling
activities
B. Non-woven coveralls and hods are usually designed to be worn for 7 workdays
C. Dust/mist masks, prefilters, canisters, and filtering and vapor-removing
cartridges can be cleaned and reused three or four times before disposing of them
,Pg. 3
D. Chemical-resistant gloves, footwear, and aprons that are labeled as disposable
are designed to be worn three or four times before disposing of them - CORRECT
ANSWER ✔✔- A. Inexpensive disposables may be a good choice for brief
pesticide-handling activities
Which statement is "true" about washing contaminated PPE?
A. Wash a full load of PPE items at a time
B. Use cold water and one wash cycle
C. Use only very short wash cycles
D. After washing the items, run the washer through at least one additional entire
cycle without clothing - CORRECT ANSWER ✔✔- D. After washing the items,
run the washer through at least one additional entire cycle without clothing
Which statement is "true" about respirator maintenance?
A. Respirator cartridges must be stored in an air-tight bag or they lose their
effectiveness
B. Inspect respirators twice each year for signs of wear and tear
C. After use, prefilters should be stored in a zip-closable bag with canisters and
cartridges
, Pg. 4
D. Use a substitute canister or cartridge if you cannot find the replacement part for
your respirator - CORRECT ANSWER ✔✔- A. Respirator cartridges must be
stored in an air-tight bag or they lose their effectiveness
Which property of a pesticide would make it more likely to move with water in
surface runoff?
A. High solubility
B. High adsorption
C. High volatility
D. A tendency to evaporate quickly - CORRECT ANSWER ✔✔- A. High
solubility
Which statement is "true" about groundwater or surface water contamination by
pesticides?
A. Pesticides cannot reach groundwater by runoff
B. Runoff and erosion are sources of surface water contamination by pesticides
C. Pesticide-contaminated surface water will not reach groundwater
NATIONAL PESTICIDE APPLICATOR
CERTIFICATION CORE
MANUAL/NATIONAL PESTICIDE
APPLICATOR CERTIFICATION CORE
MANUAL STUDY NOTES/ QUESTIONS
EXAM NEWEST 2025 ACTUAL EXAM TEST
BANK 435 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED
ANSWERS) AND A PRACTICE EXAM
|ALREADY GRADED A+
NATIONAL PESTICIDE APPLICATOR CERTIFICATION CORE MANUAL EXAM
According to EPA criteria, what type of respirator must you wear when applying
liquid pesticide products from Toxicity Class I?
A. Use a NIOSH-approved respirator with any N, R, P or 100 series prefilter
B. Use a NIOSH-approved respirator with an organic vapor (OV) cartridge or
canister with any N, R, P, or 100 series prefilter
C. Use an air-supplying respirator (NIOSH TC-19C)
,Pg. 2
D. Use a self-contained breathing apparatus (NIOSH TC-13F) - CORRECT
ANSWER ✔✔- B. Use a NIOSH-approved respirator with an organic vapor (OV)
cartridge or canister with any N, R, P, or 100 series prefilter
What is the purpose of the fit check
A. To select the right size respirator for the user
B. To make sure you have a tight-fitting seal with no leakages each time you use
the respirator
C. To see if you can taste or smell any substance leaking into the mask
D. To measure respirator fit by comparing the dust concentration in the
surrounding air with the dust concentration inside the respirator - CORRECT
ANSWER ✔✔- B. To make sure you have a tight-fitting seal with no leakages
each time you use the respirator
Which is "true" about disposable PPE?
A. Inexpensive disposables may be a good choice for brief pesticide-handling
activities
B. Non-woven coveralls and hods are usually designed to be worn for 7 workdays
C. Dust/mist masks, prefilters, canisters, and filtering and vapor-removing
cartridges can be cleaned and reused three or four times before disposing of them
,Pg. 3
D. Chemical-resistant gloves, footwear, and aprons that are labeled as disposable
are designed to be worn three or four times before disposing of them - CORRECT
ANSWER ✔✔- A. Inexpensive disposables may be a good choice for brief
pesticide-handling activities
Which statement is "true" about washing contaminated PPE?
A. Wash a full load of PPE items at a time
B. Use cold water and one wash cycle
C. Use only very short wash cycles
D. After washing the items, run the washer through at least one additional entire
cycle without clothing - CORRECT ANSWER ✔✔- D. After washing the items,
run the washer through at least one additional entire cycle without clothing
Which statement is "true" about respirator maintenance?
A. Respirator cartridges must be stored in an air-tight bag or they lose their
effectiveness
B. Inspect respirators twice each year for signs of wear and tear
C. After use, prefilters should be stored in a zip-closable bag with canisters and
cartridges
, Pg. 4
D. Use a substitute canister or cartridge if you cannot find the replacement part for
your respirator - CORRECT ANSWER ✔✔- A. Respirator cartridges must be
stored in an air-tight bag or they lose their effectiveness
Which property of a pesticide would make it more likely to move with water in
surface runoff?
A. High solubility
B. High adsorption
C. High volatility
D. A tendency to evaporate quickly - CORRECT ANSWER ✔✔- A. High
solubility
Which statement is "true" about groundwater or surface water contamination by
pesticides?
A. Pesticides cannot reach groundwater by runoff
B. Runoff and erosion are sources of surface water contamination by pesticides
C. Pesticide-contaminated surface water will not reach groundwater
