Page 1 of 54
Washington Pesticide Laws and Safety EXAM
QUESTIONS AND CORRECT ANSWERS LATEST
UPDATE THIS YEAR NEW!!
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 - 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 - 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)
- ANSWER-False
QUESTION: Two or more pesticides that cannot mixed together effectively are said to be
______. - ANSWER-Incompatible
QUESTION: All formations with the same active ingredient carry the same signal word (T/F) -
ANSWER-False
QUESTION: The skull and crossbones symbol must appear on every pesticide label (T/F) -
ANSWER-False
Q; A key to minimizing the hazard of pesticide use to the applicator is to avoid exposure (T/F) -
ANSWER-True
QUESTION: The use of temperature or humidity manipulation is a ________ control method for
insects - ANSWER-Physical
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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 - 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
b. off center
c. a high pressure cone
d. makes no difference - ANSWER-a. a low pressure, flat fan
QUESTION: Which LD50 is a representative of a highly toxic pesticide:
a. 640 mg/kg
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b. 5,800 mg/kg
c. 12,840 mg/kg
d. 46 mg/kg - ANSWER-d. 46 mg/kg
QUESTION: Pesticide-contaminated surface water can contaminate groundwater (T/F) -
ANSWER-True
QUESTION: Pesticide records are useful only to applicators in case they have problems with
effectiveness (T/F) - 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) - ANSWER-True
QUESTION: Dealers must keep records for 7 years on the sale of general use agricultural
pesticides (T/F) - ANSWER-True
4
Washington Pesticide Laws and Safety EXAM
QUESTIONS AND CORRECT ANSWERS LATEST
UPDATE THIS YEAR NEW!!
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 - 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 - ANSWER-d. easily clogs nozzles and screens
1
,Page 2 of 54
QUESTION: EPA and WSDA are the only federal and state agencies that regulate pesticides (T/F)
- ANSWER-False
QUESTION: Two or more pesticides that cannot mixed together effectively are said to be
______. - ANSWER-Incompatible
QUESTION: All formations with the same active ingredient carry the same signal word (T/F) -
ANSWER-False
QUESTION: The skull and crossbones symbol must appear on every pesticide label (T/F) -
ANSWER-False
Q; A key to minimizing the hazard of pesticide use to the applicator is to avoid exposure (T/F) -
ANSWER-True
QUESTION: The use of temperature or humidity manipulation is a ________ control method for
insects - ANSWER-Physical
2
,Page 3 of 54
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 - 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
b. off center
c. a high pressure cone
d. makes no difference - ANSWER-a. a low pressure, flat fan
QUESTION: Which LD50 is a representative of a highly toxic pesticide:
a. 640 mg/kg
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, Page 4 of 54
b. 5,800 mg/kg
c. 12,840 mg/kg
d. 46 mg/kg - ANSWER-d. 46 mg/kg
QUESTION: Pesticide-contaminated surface water can contaminate groundwater (T/F) -
ANSWER-True
QUESTION: Pesticide records are useful only to applicators in case they have problems with
effectiveness (T/F) - 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) - ANSWER-True
QUESTION: Dealers must keep records for 7 years on the sale of general use agricultural
pesticides (T/F) - ANSWER-True
4
