Iowa Core Pesticide Practice
A cause of vapor drift? - correct answer-volatilization
A label calls for a granular pesticide to be applied at 10 oz per 1000 ft of row. You have to
treat 8 rows, each a 1/2 mile in length. How much product do you need for this job? - correct
answer-211 oz
A label calls for a granular pesticide to be applied at 5 ounces per 1,000 feet of row. You
have to treat 10 rows, each ¼ mile in length. How much product do you need for this job? -
correct answer-66 ounces
A pesticide having an LD of 80 is ______________ than a pesticide having an LD of 160. -
correct answer-more toxic
A pesticide label calls for a broadcast application of 2.5 pints of product per acre. Your
sprayer hold 450 gallons and is calibrated to apply 15 gallons of spray mixture per acre. How
much product is needed for each fill? - correct answer-75 pints
A pesticide label calls for a broadcast application using 2 pints of product per acre. Your
sprayer hold 375 gallons and is calibrated to apply 15 gallons of spray mixture per acre. How
much product is needed for each fill? - correct answer-50 pints
A pesticide that is __ reduces the likelihood of groundwater contamination..? - correct
answer-strongly absorbed to soil particles
A sprayer has a 320-gallon- capacity tank. If it is calibrated to apply 16 gallons of solution
per acre, how many acres will be sprayed with each fill? - correct answer-20
A sprayer has a 350 gallon capacity tank. If it is calibrated to apply 14 gallons of solution per
acre, how many acres will be sprayed with each fill? - correct answer-25
A sprayer is calibrated to apply 15 gallons per acre at 15 pounds per square inch (psi).
Approximately what pressure is needed to increase the output to 30 gallons per acre without
changing speed or nozzle size? - correct answer-60 psi
A sprayer is calibrated to apply 30 gallons per acre at 40 pounds per square inch (psi).
Approximately what pressure is needed to decrease the output to 15 gallons per acre
without changing speed or nozzle size? - correct answer-10 psi
According to Iowa law, pesticides applied ___ must be posted with notification signs - correct
answer-more than six feet from a structure's perimeter
According to the Iowa Bee rule, how far away must commercial applicators be from
registered apiaries when applying pesticides labeled as toxic to bees between 8 am and 6
pm? - correct answer-1 mile
, Acute toxicity - correct answer-single, one time exposure with adverse effects
Best way to dispose of pesticide rinsates? - correct answer-apply it to other labeled areas
Chronic toxicity - correct answer-adverse effects that occur some time after exposure to a
toxicant or after extended exposure to the toxicant
Commercial pesticide applicators must be rectified every __ years in Iowa? - correct
answer-three
Don't launder pesticide affected clothes by: - correct answer-using non-ionic surfactant in the
wash water
Environmental Protection Agency - correct answer-regulates sales and use of pesticides
granular applicators: - correct answer-Drop spreaders drop granules by gravity below the
feed-gate opening
How can accidental bee kills from insecticide poisoning be minimized? - correct
answer-Applying treatments when bees are not foraging
How does pesticide resistance in an organism allow it to survive? - correct answer-Tolerates
the toxic effects of the pesticide
How long must pesticide records be kept after the date of application? - correct answer-3
years
How long must you want to end a treated area without protective clothing, if no
restricted-entry statement appears on the label? - correct answer-Until sprays are dried or
dusts have settled
How many gallons of a product per acre of an 8EC insecticide would be needed if 1 pound of
active ingredient is applied per acre? - correct answer-0.125
How often should pesticide application equipment be calibrated? - correct answer-On a
regular basis to detect changes to wear, corrosion, aging
If a tank mix of Products A and B was applied and Product A has a restricted entry interval of
12 hours and Product B has a restricted entry interval of 18 hours, how long must a worker
wait until going back into the treated area if not wearing the appropriate PPE? - correct
answer-18 hours
If you are mixing a product that has a Section 18 emergency exemption in addition to the
label on the product, which do you use for instructions on how to mix the product? - correct
answer-Section 18 label
Nozzle clogs? - correct answer-Clean with soft bristled brush
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