Washington Pesticide Laws and
Safety Test Newest Practice Exam
With Questions And Answers
2026/2027|100% Correct
Which items should be stored at the pesticide storage site?
A. Food and feed.
B. PPE for mixing and loading and medical supplies.
C. Spill cleanup kit and emergency PPE.
D. Medication and veterinary supplies. - ANSWER>C
Which statement is true about storage of pesticide containers?
A. You may store pesticides in bottles or jars as long as they are appropriately labeled.
B. Keep bags of wettable and soluble powders open, so they are exposed to the air.
C. Store liquid formulations and small containers of dry formulations on wood shelving.
D. Place bulk or mini-bulk tanks on a reinforced concrete pad or other impermeable surface. -
ANSWER>D
,What should be done with cancelled pesticide products that can no longer be legally used?
A. Use them up by applying them at a rate greater than specified by the label.
B. Store them in the same area as other pesticides but mark them as outdated.
C. Recycle them by mixing them with other pesticide products.
D. Treat as hazardous waste and dispose of accordingly. - ANSWER>D
Which statement is true about potential problems from pesticide fires?
A. Pesticides containing oils or petroleum products are the least flammable.
B. Vapors or smoke from pesticide fires may be harmful to animals but not to plants.
C. Pesticides may be flammable but never explosive.
D. Runoff from a pesticide fire site may contain highly toxic chemicals. - ANSWER>D
Which is not recommended safety precaution for a pesticide storage facility?
A. Locate storage facilities as far as possible from places where people and animals live.
B. Post signs that indicate combustible materials are stored at the facility.
, C. Store glass or pressurized containers in sunlight.
D. Keep foam-type fire extinguishers in all storage areas. - ANSWER>C
Which statement is true about chemical incompatibility?
A. It is not necessary to consider chemical compatibility effects when mixing a pesticide with hard water,
chlorinated water, or fertilizers.
B. Increasing the chemical activity of two or more products mixed together is always harmful.
C. Chemical incompatibility occurs when the activity of the mixed products is reduced.
D. Labels do not proved information on avoiding chemical incompatibility. - ANSWER>C
Which is not a means of preventing contamination of water sources?
A. When filling the tank, keep the hose down in the pesticide mixture.
B. Use a check valve, anti-siphoning device, or backflow preventer when pumping water directly from
the source into a mix tank.
C. Mix and load pesticides on a containment pad.
D. Locate mixing equipment so that leaks or spills flow away from a drain or water source. - ANSWER>A
Safety Test Newest Practice Exam
With Questions And Answers
2026/2027|100% Correct
Which items should be stored at the pesticide storage site?
A. Food and feed.
B. PPE for mixing and loading and medical supplies.
C. Spill cleanup kit and emergency PPE.
D. Medication and veterinary supplies. - ANSWER>C
Which statement is true about storage of pesticide containers?
A. You may store pesticides in bottles or jars as long as they are appropriately labeled.
B. Keep bags of wettable and soluble powders open, so they are exposed to the air.
C. Store liquid formulations and small containers of dry formulations on wood shelving.
D. Place bulk or mini-bulk tanks on a reinforced concrete pad or other impermeable surface. -
ANSWER>D
,What should be done with cancelled pesticide products that can no longer be legally used?
A. Use them up by applying them at a rate greater than specified by the label.
B. Store them in the same area as other pesticides but mark them as outdated.
C. Recycle them by mixing them with other pesticide products.
D. Treat as hazardous waste and dispose of accordingly. - ANSWER>D
Which statement is true about potential problems from pesticide fires?
A. Pesticides containing oils or petroleum products are the least flammable.
B. Vapors or smoke from pesticide fires may be harmful to animals but not to plants.
C. Pesticides may be flammable but never explosive.
D. Runoff from a pesticide fire site may contain highly toxic chemicals. - ANSWER>D
Which is not recommended safety precaution for a pesticide storage facility?
A. Locate storage facilities as far as possible from places where people and animals live.
B. Post signs that indicate combustible materials are stored at the facility.
, C. Store glass or pressurized containers in sunlight.
D. Keep foam-type fire extinguishers in all storage areas. - ANSWER>C
Which statement is true about chemical incompatibility?
A. It is not necessary to consider chemical compatibility effects when mixing a pesticide with hard water,
chlorinated water, or fertilizers.
B. Increasing the chemical activity of two or more products mixed together is always harmful.
C. Chemical incompatibility occurs when the activity of the mixed products is reduced.
D. Labels do not proved information on avoiding chemical incompatibility. - ANSWER>C
Which is not a means of preventing contamination of water sources?
A. When filling the tank, keep the hose down in the pesticide mixture.
B. Use a check valve, anti-siphoning device, or backflow preventer when pumping water directly from
the source into a mix tank.
C. Mix and load pesticides on a containment pad.
D. Locate mixing equipment so that leaks or spills flow away from a drain or water source. - ANSWER>A
