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WASHINGTON PESTICIDE LAWS AND SAFETY
EXAM AND COMPLETE 380 QUESTIONS AND
DETAILED SOLUTIONS JUST RELEASED THIS
YEAR
Question: Drift problems can be reduced by:
a. using lower pressure, smaller nozzle orifices
b. applying in very calm, stable air conditions
c. spraying upwind of a sensitive area
d. placing bloom as close to target as possible - CORRECT ANSWER✔✔d. placing a boom as
close to the target as possible
Question: Which is not a concern handling a emulsifiable concentrate pesticide:
a. high phytotoxicity
b. may be easily absorbed through human and animal skin
c. flammability
d. easily clogs nozzles and screens - CORRECT ANSWER✔✔d. easily clogs nozzles and screens
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Question: EPA and WSDA are the only federal and state agencies that regulate pesticides (T/F) -
CORRECT ANSWER✔✔False
Question: Two or more pesticides that cannot mixed together effectively are said to be ______.
- CORRECT ANSWER✔✔Incompatible
Question: All formations with the same active ingredient carry the same signal word (T/F) -
CORRECT ANSWER✔✔False
Question: The skull and crossbones symbol must appear on every pesticide label (T/F) -
CORRECT ANSWER✔✔False
Question: The best way to dispose of a registered pesticide is to:
a. pour it into the sewer system
b. dump it in a vacant area
c. use it as direct on the label
d. ship it to the EPA - CORRECT ANSWER✔✔c. use it as direct on the label
Question: To minimize the drift when applying a herbicide, the best type of nozzle to use is:
a. a low pressure, flat fan
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b. off center
c. a high pressure cone
d. makes no difference - CORRECT ANSWER✔✔a. a low pressure, flat fan
Question: Which LD50 is a representative of a highly toxic pesticide:
a. 640 mg/kg
b. 5,800 mg/kg
c. 12,840 mg/kg
d. 46 mg/kg - CORRECT ANSWER✔✔d. 46 mg/kg
Question: Pesticide-contaminated surface water can contaminate groundwater (T/F) - CORRECT
ANSWER✔✔True
Question: Pesticide records are useful only to applicators in case they have problems with
effectiveness (T/F) - CORRECT ANSWER✔✔False
Question: If an applicator had two major label violations and was cited by the WSDA, they
could face a maximum fine of $15,000 and lose their liscence (T/F) - CORRECT ANSWER✔✔True
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Question: Dealers must keep records for 7 years on the sale of general use agricultural
pesticides (T/F) - CORRECT ANSWER✔✔True
Question: One of the earliest uses of chemicals as pesticides was the burning of sulfur (T/F) -
CORRECT ANSWER✔✔True
Question: When the pest reaches the _____, pest management procedures need to be applied
to prevent the pest from economically damaging populations. - CORRECT ANSWER✔✔Economic
threshold
Question: Which of the following is not considered a mechanical control method:
a. fencing a crop to prevent deer entry
b. netting blueberry bushes to keep birds away
c. releasing a parasitic wasp
d. washing of aphids with a stream of water
e. removing a rhododendron with a root disease - CORRECT ANSWER✔✔c. releasing a parasitic
wasp
Question: Which of the following is a cultural control method:
a. fertilization
b. planting time
4
SUCCESS!
WASHINGTON PESTICIDE LAWS AND SAFETY
EXAM AND COMPLETE 380 QUESTIONS AND
DETAILED SOLUTIONS JUST RELEASED THIS
YEAR
Question: Drift problems can be reduced by:
a. using lower pressure, smaller nozzle orifices
b. applying in very calm, stable air conditions
c. spraying upwind of a sensitive area
d. placing bloom as close to target as possible - CORRECT ANSWER✔✔d. placing a boom as
close to the target as possible
Question: Which is not a concern handling a emulsifiable concentrate pesticide:
a. high phytotoxicity
b. may be easily absorbed through human and animal skin
c. flammability
d. easily clogs nozzles and screens - CORRECT ANSWER✔✔d. easily clogs nozzles and screens
1
SUCCESS!
,Page 2 of 91
Question: EPA and WSDA are the only federal and state agencies that regulate pesticides (T/F) -
CORRECT ANSWER✔✔False
Question: Two or more pesticides that cannot mixed together effectively are said to be ______.
- CORRECT ANSWER✔✔Incompatible
Question: All formations with the same active ingredient carry the same signal word (T/F) -
CORRECT ANSWER✔✔False
Question: The skull and crossbones symbol must appear on every pesticide label (T/F) -
CORRECT ANSWER✔✔False
Question: The best way to dispose of a registered pesticide is to:
a. pour it into the sewer system
b. dump it in a vacant area
c. use it as direct on the label
d. ship it to the EPA - CORRECT ANSWER✔✔c. use it as direct on the label
Question: To minimize the drift when applying a herbicide, the best type of nozzle to use is:
a. a low pressure, flat fan
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b. off center
c. a high pressure cone
d. makes no difference - CORRECT ANSWER✔✔a. a low pressure, flat fan
Question: Which LD50 is a representative of a highly toxic pesticide:
a. 640 mg/kg
b. 5,800 mg/kg
c. 12,840 mg/kg
d. 46 mg/kg - CORRECT ANSWER✔✔d. 46 mg/kg
Question: Pesticide-contaminated surface water can contaminate groundwater (T/F) - CORRECT
ANSWER✔✔True
Question: Pesticide records are useful only to applicators in case they have problems with
effectiveness (T/F) - CORRECT ANSWER✔✔False
Question: If an applicator had two major label violations and was cited by the WSDA, they
could face a maximum fine of $15,000 and lose their liscence (T/F) - CORRECT ANSWER✔✔True
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Question: Dealers must keep records for 7 years on the sale of general use agricultural
pesticides (T/F) - CORRECT ANSWER✔✔True
Question: One of the earliest uses of chemicals as pesticides was the burning of sulfur (T/F) -
CORRECT ANSWER✔✔True
Question: When the pest reaches the _____, pest management procedures need to be applied
to prevent the pest from economically damaging populations. - CORRECT ANSWER✔✔Economic
threshold
Question: Which of the following is not considered a mechanical control method:
a. fencing a crop to prevent deer entry
b. netting blueberry bushes to keep birds away
c. releasing a parasitic wasp
d. washing of aphids with a stream of water
e. removing a rhododendron with a root disease - CORRECT ANSWER✔✔c. releasing a parasitic
wasp
Question: Which of the following is a cultural control method:
a. fertilization
b. planting time
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