WASHINGTON PESTICIDE LAWS AND SAFETY
TEST 213 PRACTICE EVALUATION 2026
QUESTION BANK FULL SOLUTION SET
◉ The use of temperature or humidity manipulation is a ____________
control method for insects.
Answer: physical
◉ Drift problems can be reduced by __________
Answer: placing a boom as close to the target as possible
◉ Which is a concern when handling an emulsifiable concentrate
pesticide?
a. visible plant residues
b. may be easily absorbed through human and animal skin
c. easily clogs nozzles and screens
Answer: may be easily absorbed through human and animal skin
◉ EPA and WSDA are the only federal and state agencies that
regulate pesticides. (True or False)
Answer: false
,◉ Two or more pesticides which cannot be mixed together
effectively are said to be ____________?
Answer: Incompatible
◉ All formulations with the same active ingredient carry the same
signal word. (True or False)
Answer: False
◉ The skull and crossbones symbol must appear on every pesticide
label.
Answer: False
◉ The best way to dispose of a regulated pesticide is to _____________
Answer: use it as directed on the label
◉ To minimize drift when applying an herbicide, the best type of
nozzle to use is___________
Answer: a low pressure, flat fan
◉ Which LD50 is representative of a highly toxic pesticide?
Answer: 46mg/kg
, ◉ Pesticide-contaminated surface water contaminate groundwater
Answer: true
◉ Pesticide records are useful to applicators in case they have
problems with effectiveness.
Answer: true
◉ If an applicator had two major label violations and was cited by
WSDA, they could face a maximum fine of $15,000 and lose their
license.
Answer: true
◉ Dealers must keep records for 7 years on the sale of general use
agricultural pesticides.
Answer: true
◉ One of the earliest uses of chemicals as pesticides was t6he
burning of sulfur.
Answer: true
◉ When the pest reaches the ___________, pest management
procedures need to be applied to prevent the pest from reaching the
economically damaging populations.
Answer: economic threshold
TEST 213 PRACTICE EVALUATION 2026
QUESTION BANK FULL SOLUTION SET
◉ The use of temperature or humidity manipulation is a ____________
control method for insects.
Answer: physical
◉ Drift problems can be reduced by __________
Answer: placing a boom as close to the target as possible
◉ Which is a concern when handling an emulsifiable concentrate
pesticide?
a. visible plant residues
b. may be easily absorbed through human and animal skin
c. easily clogs nozzles and screens
Answer: may be easily absorbed through human and animal skin
◉ EPA and WSDA are the only federal and state agencies that
regulate pesticides. (True or False)
Answer: false
,◉ Two or more pesticides which cannot be mixed together
effectively are said to be ____________?
Answer: Incompatible
◉ All formulations with the same active ingredient carry the same
signal word. (True or False)
Answer: False
◉ The skull and crossbones symbol must appear on every pesticide
label.
Answer: False
◉ The best way to dispose of a regulated pesticide is to _____________
Answer: use it as directed on the label
◉ To minimize drift when applying an herbicide, the best type of
nozzle to use is___________
Answer: a low pressure, flat fan
◉ Which LD50 is representative of a highly toxic pesticide?
Answer: 46mg/kg
, ◉ Pesticide-contaminated surface water contaminate groundwater
Answer: true
◉ Pesticide records are useful to applicators in case they have
problems with effectiveness.
Answer: true
◉ If an applicator had two major label violations and was cited by
WSDA, they could face a maximum fine of $15,000 and lose their
license.
Answer: true
◉ Dealers must keep records for 7 years on the sale of general use
agricultural pesticides.
Answer: true
◉ One of the earliest uses of chemicals as pesticides was t6he
burning of sulfur.
Answer: true
◉ When the pest reaches the ___________, pest management
procedures need to be applied to prevent the pest from reaching the
economically damaging populations.
Answer: economic threshold
