Ohio Pesticide Applicator Core Exam: all 398 questions with answers

Each question leads to its own page with the answers and the solution.

• Label and Labeling Comprehension40 questions
• Safety and Personal Protective Equipment36 questions
• Environmental Concerns30 questions
• Pests and Pest Management25 questions
• Pesticides and Formulations24 questions
• Application Equipment30 questions
• Application Methods25 questions
• Federal Laws and Regulations35 questions
• Supervising Noncertified Applicators20 questions
• Professionalism and Stewardship20 questions
• Calibration and Math40 questions
• Ohio Pesticide Law73 questions

Label and Labeling Comprehension

• 1001Which signal word must appear on the front panel of a pesticide product in Toxicity Category I?
• 1002A product is Toxicity Category III by oral, dermal and inhalation routes, but Category II for eye irritation. Which signal word must the label carry?
• 1003Which Toxicity Category range matches an oral LD50 of 300 mg/kg?
• 1004Which statement about LD50 values is correct?
• 1005What additional marking must a label show when a product is placed in Category I because of oral, dermal or inhalation toxicity?
• 1006Which statement must appear on the front panel of nearly every pesticide product?
• 1007What is the legal significance of the statement "the label is the law"?
• 1008Which pair describes the difference between "label" and "labeling"?
• 1009Which phrase on a label is most likely a mandatory instruction?
• 1010Which statement describes advisory label language?
• 1011Where would you find the Restricted Use Pesticide classification statement on a label?
• 1012Who may purchase and apply a restricted use pesticide?
• 1013What does an EPA registration number tell you?
• 1014What does the EPA establishment number on a container identify?
• 1015Which item is part of the ingredient statement?
• 1016A label lists "inert ingredients 85%." What does this mean?
• 1017Which section of a label contains the Restricted Entry Interval (REI) for a product used on agricultural crops?
• 1018What does a restricted entry interval (REI) specify?
• 1019What does a preharvest interval (PHI) specify?
• 1020When two pesticides are applied together and their REIs differ, which REI applies?
• 1021Which label section tells you where and how to use a product, including rates and timing?
• 1022What does the Precautionary Statements section of a label typically include?
• 1023A label says "Do not apply this product to crops not listed on this label." What does that mean for an applicator?
• 1024The label for a product lists a maximum of 2 applications per season. After two applications, a third is needed. What should the applicator do?
• 1025What is a Section 24(c) supplemental label?
• 1026What is a Section 18 exemption?
• 1027Which statement about the Safety Data Sheet (SDS) is correct?
• 1028An applicator finds the label on a container is torn and unreadable. What is the best action?
• 1029A label states that a certified applicator must be physically present at the site during the application of a restricted use product. What does this mean?
• 1030What does the term "Active ingredient" mean on a label?
• 1031Which statement on a label identifies the product's physical and chemical hazards, such as flammability?
• 1032What is the purpose of a "Statement of Practical Treatment" on a label?
• 1033A label in the Environmental Hazards section says "This pesticide is toxic to fish and aquatic invertebrates." Which action does this statement most directly support?
• 1034If a label's PPE section lists "chemical resistant gloves, such as barrier laminate or butyl rubber", what must the handler do?
• 1035Which term on a label describes the phrase "Use Restricted to Certified Applicators"?
• 1036What does a "Do not contaminate water, food or feed by storage or disposal" statement on a label address?
• 1037A label has an Agricultural Use Requirements box that cites 40 CFR part 170. What does this indicate?
• 1038Which statement about a product that is "unclassified" is correct?
• 1039What does it mean when a label says "Notify adjacent landowners before application"?
• 1040Under the label's net contents statement, what information is given?

Safety and Personal Protective Equipment

• 2001Which of the following is the most common route of pesticide exposure for applicators?
• 2003Which statement describes acute toxicity?
• 2004A pesticide's risk is a function of which two factors?
• 2005Which of these is a symptom of mild organophosphate or carbamate poisoning?
• 2006Which description matches the way organophosphate insecticides act on the body?
• 2007What is the first priority when someone has swallowed a pesticide and is conscious?
• 2008What is the national poison help line number in the United States?
• 2009A pesticide splashes into a handler's eye. What is the correct first aid?
• 2010A handler's clothing is soaked with a concentrate. What should the handler do first?
• 2011Why should heavily contaminated clothing be discarded rather than washed?
• 2012When washing pesticide contaminated work clothes at home, what is recommended?
• 2013Which glove material is most generally recommended for handling a wide variety of pesticides?
• 2014Why should you avoid wearing lined gloves when handling pesticides?
• 2015Where should pant legs be worn when handling pesticides with chemical resistant gloves and boots?
• 2016Why are leather boots a poor choice when a label requires chemical resistant footwear?
• 2017What is the minimum requirement for a respirator when the label calls for one?
• 2018A respirator seems to fit loosely on a handler who has a beard. What is correct?
• 2019What is the typical purpose of chemical cartridges in an air purifying respirator?
• 2020What should an applicator do if a respirator cartridge begins to smell like the pesticide when worn?
• 2021What is the best practice when storing a respirator after use?
• 2022What are the three Cs of a pesticide spill response?
• 2023What is the first step when a pesticide container is leaking during transport?
• 2024Which material is commonly used to absorb a liquid pesticide spill on a hard surface?
• 2027Why should pesticides be kept in original containers?
• 2028What is triple rinsing?
• 2029When should a container be triple rinsed?
• 2030Where should rinse water from container rinsing normally go?
• 2031What is a safe way to dispose of empty, triple rinsed plastic pesticide containers?
• 2032Which weather condition increases the risk of heat illness for applicators wearing PPE?
• 2034Which action is part of good personal hygiene for pesticide applicators?
• 2035Which statement describes chronic toxicity?
• 2036What does the decontamination supply requirement of the Worker Protection Standard include for workers?
• 2037How often must an agricultural worker covered by the WPS receive pesticide safety training?
• 2038What is an application exclusion zone (AEZ) for sprayed pesticides applied by aerial or air blast methods?
• 2039What should a handler do if an unprotected worker walks into the application exclusion zone during an outdoor spray application?
• 2040Which factor is most important when choosing PPE for a pesticide application?

Environmental Concerns

• 3001What is pesticide drift?
• 3002Which factor most increases the risk of spray droplet drift?
• 3003Which weather condition near the ground is most likely to carry fine spray droplets long distances?
• 3004What is volatilization?
• 3005Which factor increases the chance of a pesticide leaching to groundwater?
• 3006What is adsorption in the context of pesticides and soil?
• 3007What does pesticide persistence mean?
• 3008Which term describes the time it takes for half of a pesticide to degrade?
• 3009Which process breaks down pesticides with the help of living organisms?
• 3010What is runoff?
• 3011Which practice reduces runoff of pesticides to surface water?
• 3012Which soil type is most prone to groundwater contamination from leaching pesticides?
• 3013Which practice helps protect groundwater at a mixing and loading site?
• 3014What device prevents pesticide from flowing back into a water supply while filling a sprayer?
• 3015Which tool does EPA use to inform applicators about geographic limits on pesticide use to protect threatened and endangered species?
• 3016Bulletins Live! Two is relevant to an applicator when:
• 3017Which group is most at risk from broad spectrum insecticide applied to flowering crops?
• 3018Which practice best reduces pesticide risk to bees?
• 3019Which statement describes a nontarget organism?
• 3020Which pesticide property is most important for protecting fish near water?
• 3021What is bioaccumulation?
• 3022A heavy rain is forecast within an hour after your planned application of a pesticide. What is the best decision?
• 3023Which drainage feature increases the risk of surface water contamination from a field applied pesticide?
• 3024What is the term for contamination from a single identifiable site such as a spill at a mixing area?
• 3025Which nozzle or sprayer adjustment lowers drift?
• 3026Which effect is most likely when a pesticide vapor drifts onto a sensitive crop?
• 3027Why is it important to consider the presence of wells, ponds and streams near a site before you apply a pesticide?
• 3028Which pesticide characteristic reduces the risk of surface runoff after application?
• 3029Which statement about pesticide residues in the environment is correct?
• 3030What is the application exclusion zone distance for a ground sprayer using medium or coarser droplets released more than 12 inches above the planting surface?

Pests and Pest Management

• 4001Why is correct pest identification the first step in pest control?
• 4002What must an applicator verify before using a product to control a pest?
• 4003In complete metamorphosis, which is the correct order of life stages?
• 4004In incomplete (gradual) metamorphosis, what stages occur?
• 4005Which insect is an example of one that undergoes complete metamorphosis?
• 4006What is Integrated Pest Management (IPM)?
• 4007What is an action threshold in IPM?
• 4008Which of these is a preventive IPM tactic?
• 4009What is the goal of pest suppression?
• 4010Which pest management goal is the hardest to achieve and usually applied to invasive species?
• 4011What is biological control?
• 4012Which cultural control practice can reduce weed problems?
• 4013What is pesticide resistance?
• 4014Which practice slows the development of pesticide resistance?
• 4015Which organization publishes mode of action groups for insecticides?
• 4016Two products that have the same mode of action group number are rotated back to back. What is the likely result?
• 4017A scouting report shows a pest population below the threshold. What should the manager do?
• 4018Which pests are often controlled by herbicides?
• 4019A fungus causes a leaf spot on a crop. Which pest category does the fungus fall into?
• 4020Under FIFRA section 2(ee), may an applicator use a registered product against a pest that is not listed on the label?
• 4021Which life stage of a complete metamorphosis insect is often the most damaging to crops, such as with caterpillars?
• 4022What does scouting involve in an IPM program?
• 4023What is an advantage of selective pesticides in IPM?
• 4024Which statement describes an economic injury level?
• 4025Which event can cause a pest outbreak after a broad spectrum insecticide kills natural enemies?

Pesticides and Formulations

• 5001Which pesticide type is designed to control insects?
• 5002Which type of herbicide kills only the plant parts it touches?
• 5003A herbicide applied before weed seeds germinate and that forms a barrier in the soil is called what?
• 5004What does "EC" stand for on a pesticide label?
• 5005Which formulation abbreviation stands for wettable powder?
• 5006Which is a disadvantage of wettable powders compared with liquids?
• 5007What is a major advantage of water dispersible granules (WDG) over wettable powders?
• 5008What does "SC" or "F" (flowable) mean on a label?
• 5009What is a typical use of a pesticide bait?
• 5010What is a hazard associated with granular pesticide formulations?
• 5011Which formulation is the most prone to creating airborne particle drift?
• 5012What is a fumigant?
• 5013What does ULV stand for?
• 5014What is the purpose of an adjuvant?
• 5015What does a surfactant do?
• 5016What does a jar test check?
• 5017When is a tank mix considered physically incompatible?
• 5018What is synergism?
• 5019What is antagonism between two pesticides?
• 5021How does a systemic insecticide control pests?
• 5022Which statement about the formulation of a pesticide is correct?
• 5023Why are emulsifiable concentrates often more hazardous to the skin than other formulations?
• 5024What does the term "residual" mean when describing a pesticide?
• 5025Which type of pesticide is formulated to control plant diseases caused by fungi?

Application Equipment

• 6001Which type of pump is damaged most quickly by abrasive materials such as wettable powders?
• 6002A centrifugal pump is best described as a pump that delivers
• 6003Which pump is most often chosen when a sprayer must reach high pressures, such as for hand-gun spraying of tall trees?
• 6004What is the main benefit of a diaphragm pump when spraying chemicals that are corrosive or abrasive?
• 6005On a typical sprayer, which screen should have the LARGEST openings?
• 6006A strainer screen is labeled 50 mesh. What does a HIGHER mesh number mean?
• 6007Which formulation needs the MOST continuous agitation in the spray tank?
• 6008What is the purpose of a pressure relief valve on a sprayer?
• 6009A flat fan nozzle is most commonly used for
• 6010Which nozzle type is typically chosen for foliar fungicide and insecticide sprays that need thorough coverage of the leaf surface?
• 6011Flood nozzles are generally used for
• 6012Which nozzle is designed to give an even pattern across a narrow band over a crop row?
• 6013As a nozzle tip wears from use, what usually happens?
• 6014Which nozzle tip material generally resists wear from abrasive sprays the longest?
• 6015What is the effect of raising spray pressure on droplet size?
• 6016Which equipment choice is most likely to reduce drift?
• 6017What is the best protection against back-siphoning when filling a sprayer tank from a well or hydrant?
• 6018Why is a hose end resting below the liquid surface in a spray tank a hazard?
• 6019Compared with a rotary (centrifugal) spreader, a drop (gravity) spreader
• 6020Why must a granular applicator be calibrated separately for each product?
• 6021Which device on a chemigation system automatically shuts down the chemical injection pump when the irrigation pump stops?
• 6022Before using a pesticide through an irrigation system (chemigation), the applicator must first confirm that
• 6023When the boom height is set too LOW on a flat fan boom sprayer, the most likely result is
• 6024An air-blast sprayer is mostly used in
• 6025Why do backpack sprayers with hand pumps often have a constant-flow valve or pressure regulator?
• 6026Why should sprayer tanks and hoses be cleaned thoroughly after applying a herbicide?
• 6027What does an anti-drip (check valve) nozzle body do?
• 6028A closed mixing and loading system mainly helps by
• 6029Mechanical agitation in a spray tank is provided by
• 6030Before each spraying day, the best time to find a leaking hose or fitting is

Application Methods

• 7001In a broadcast application, the pesticide is applied to
• 7002A band application is made
• 7003A spot treatment is best described as an application to
• 7004In a directed spray, the nozzles are aimed to
• 7005Why are some soil-applied herbicides and insecticides incorporated into the soil after application?
• 7006Applying a herbicide after the crop and weeds have emerged is called
• 7007A preemergence herbicide that needs activation generally requires
• 7008A temperature inversion is a condition in which
• 7009Temperature inversions most often develop
• 7010Which observation suggests a temperature inversion may be present?
• 7011Which wind condition is generally the SAFEST for ground sprays when the label does not give other directions?
• 7012Spray drift is best defined as
• 7013Which practice reduces particle drift from a boom sprayer?
• 7014Vapor drift is most likely when
• 7015High temperatures on application day can cause which problem for foliar sprays?
• 7016Using a pesticide in a way that kills the target but also harms nearby non-target plants is an example of
• 7017Why does the choice of application method matter for a pesticide that is only needed in part of a field?
• 7018Which of these uses requires additional certification beyond the core exam under the federal standards?
• 7019Pesticide application from an airplane or helicopter generally requires
• 7020What is the advantage of a soil injection application of a liquid product compared with surface spraying?
• 7021A bait application is most appropriate when
• 7022After a spray is made, a label statement of rainfastness tells the applicator
• 7023Which weather change is most important to check immediately before spraying near a sensitive area?
• 7024Applying a pesticide with an application method or timing the label does not allow is
• 7025A wiper (wick) applicator is useful because it

Federal Laws and Regulations

• 8001Which federal agency administers FIFRA and registers pesticides for sale and use in the United States?
• 8002Under FIFRA, a pesticide product generally must be what before it may be sold or distributed?
• 8003The EPA registration number on a pesticide label is used mainly to
• 8004A pesticide is classified for restricted use when EPA finds that it
• 8005Who may use a restricted use pesticide?
• 8006Under FIFRA it is unlawful to use any registered pesticide
• 8007Which of the following is allowed by the exceptions in FIFRA section 2(ee) unless the label prohibits it?
• 8008Under FIFRA section 2(ee), applying a pesticide against a target pest not listed on the label is allowed only if
• 8009Under the FIFRA statute, the maximum civil penalty for a commercial applicator's violation is
• 8010Under the FIFRA statute, a commercial applicator of a restricted use pesticide who knowingly violates the law may be
• 8011Under the FIFRA statute, a private applicator who knowingly violates the law is guilty of a misdemeanor with a maximum penalty of
• 8012A FIFRA section 18 exemption allows
• 8013A FIFRA section 24(c) registration is also called a
• 8014Which pesticides are exempt from FIFRA registration under section 25(b)?
• 8015May a state adopt pesticide use rules that are stricter than federal law?
• 8016Under the Worker Protection Standard, a pesticide handler is a person who
• 8017How often must pesticide handlers receive WPS safety training?
• 8018Under the WPS, what is the minimum age for pesticide handlers and early-entry workers?
• 8019A restricted-entry interval (REI) is the time after an application
• 8020If two pesticides with different REIs are applied together, which REI must be followed?
• 8021Under the WPS no-contact exception, a worker may enter a treated area during an REI only if
• 8022Under the WPS short-term early-entry exception, a worker's time in the treated area may not exceed
• 8023During an outdoor application by air-blast sprayer, the application exclusion zone (AEZ) extends how far from the application equipment?
• 8024The AEZ is 25 feet for an outdoor spray when
• 8025If a worker or bystander enters the application exclusion zone during an application, the handler must
• 8026Pesticide application and hazard information for an agricultural establishment must be displayed no later than
• 8027How long must the agricultural employer keep records of pesticide application and hazard information required by the WPS display?
• 8028What minimum amount of water must the employer provide for each worker's routine washing and emergency decontamination at the start of the work period?
• 8029Under the WPS, warning signs must be posted at outdoor treated areas when the REI is
• 8030Under the Endangered Species Act, a pesticide user's responsibility is to
• 8031The Clean Water Act NPDES Pesticide General Permit covers pesticide discharges to waters of the United States from which use patterns?
• 8032Under OSHA's Hazard Communication Standard, an employer using hazardous chemicals must
• 8033Federal standards require states to make certified commercial applicators keep restricted use pesticide records for at least
• 8034Under USDA's recordkeeping rule, a private applicator must record each restricted use pesticide application within
• 8035What is the minimum age for a certified commercial applicator under federal standards?

Supervising Noncertified Applicators

• 9001Who may use a restricted use pesticide under the direct supervision of a certified applicator?
• 9002Within what period must a noncertified applicator have been trained in the safe operation of the mixing, loading, and application equipment he or she will use?
• 9003What is the general minimum age for a noncertified applicator using restricted use pesticides under supervision?
• 9004A 16-year-old may use a restricted use pesticide under direct supervision only if
• 9005What access to the product labeling must a noncertified applicator have?
• 9006When the label requires PPE, who must make sure a supervised noncertified applicator has clean PPE in good condition and wears it correctly?
• 9007Before a noncertified applicator uses a restricted use pesticide, the supervisor must provide instructions that are
• 9008How often must equipment used for mixing, loading, and applying be checked by the certified applicator for proper operating condition?
• 9009What communication must the certified applicator make available to a noncertified applicator using restricted use pesticides?
• 9010When must a certified applicator be physically present at the site of a restricted use pesticide application by a supervised noncertified applicator?
• 9011Which statement about responsibility for a supervised application is correct?
• 9012Which person may conduct the general training for noncertified applicators?
• 9013Which topic is part of the minimum noncertified applicator training content?
• 9014Which method of training noncertified applicators is allowed?
• 9015A commercial applicator who supervises noncertified applicators must be able to produce qualification records for how long?
• 9016Which item must be in the record of a noncertified applicator's training under 171.201?
• 9017When must the commercial applicator create or verify the qualification record of a noncertified applicator?
• 9018A noncertified applicator is also qualified to use restricted use pesticides under supervision if he or she
• 9019A certified applicator who is not certified in the category needed for a job, or in the jurisdiction
• 9020The certified applicator who supervises restricted use pesticide work must be certified in

Professionalism and Stewardship

• 10001A customer asks whether the product you plan to use is safe for pets. The best response is to
• 10002A professional applicator should keep application records mainly because they
• 10003Why is it important to maintain chemical security for restricted use pesticides?
• 10004An applicator notices a school playground next to the target site just before spraying. The best action is to
• 10005A neighbor complains about suspected drift from your application. A professional response is to
• 10006Which action best shows integrity when a customer asks for a pesticide treatment that is not needed?
• 10007Product stewardship for a certified applicator includes
• 10008If a pesticide spill occurs, the first priority is to
• 10009When communicating about pesticide risk with the public, a professional should
• 10010Why should an applicator inspect the site before starting an application?
• 10011What is a responsible approach to protecting bees and other pollinators when applying a product toxic to bees?
• 10012Integrated pest management (IPM) is best described as
• 10013Which practice best reduces the risk of children gaining access to pesticides?
• 10014A professional applicator who sees that a coworker is using a product incorrectly should
• 10015Continuing education for certified applicators helps professionals mainly because
• 10016What should an applicator do with a customer who requests an off-label use, such as a higher rate or an unlisted site?
• 10017How should pesticide equipment and vehicles be handled when parked or stored overnight?
• 10018Public relations for a pesticide business is best supported by
• 10019Before leaving a treated site, a responsible applicator should
• 10020A certified applicator should explain to a customer why a wait time before harvest or re-entry exists because

Calibration and Math

• 11001How many acres is a rectangular field that measures 660 feet by 330 feet? (1 acre = 43,560 square feet)
• 11002How many square feet are in 2.5 acres?
• 11003A circular area has a radius of 50 feet. What is its approximate area? (area = 3.14 x radius x radius)
• 11004A triangular area has a base of 200 feet and a height of 100 feet. What is its area? (area = 1/2 x base x height)
• 11005A lawn is 80 feet by 120 feet. How many units of 1,000 square feet does it contain?
• 11006In the 1/128 acre calibration method, a nozzle collects 18 fluid ounces over the course. What is the sprayer output in gallons per acre?
• 11007What course length covers 1/128 acre (340 square feet) for a boom with 30-inch nozzle spacing?
• 11008A flat fan nozzle puts out 0.4 gallons per minute at 5 mph with 20-inch spacing. What is the application rate in gallons per acre? (GPA = GPM x 5,940 / (mph x spacing in inches))
• 11009A nozzle delivers 0.5 gallons per minute at 4 mph with 20-inch spacing. What is the rate in gallons per acre? (GPA = GPM x 5,940 / (mph x spacing in inches))
• 11010A sprayer travels 264 feet in 30 seconds. What is its speed in miles per hour?
• 11011A tractor covers 100 feet in 17 seconds. What is its approximate speed in mph? (mph = feet x 60 / (seconds x 88))
• 11012A sprayer tank holds 200 gallons and is calibrated to apply 20 gallons per acre. How many acres does one full tank cover?
• 11013A 300-gallon tank applies 15 gallons per acre. The label calls for 1.5 quarts of product per acre. How many gallons of product go into a full tank?
• 11014How much product is needed to treat 40 acres at 3 pints per acre?
• 11015A 500-gallon sprayer is calibrated at 25 GPA. How many acres does it cover per tank?
• 11016How many gallons of spray mix are needed to treat 12 acres at 18 GPA?
• 11017A product contains 4 pounds of active ingredient per gallon. The label rate is 2 pounds of active ingredient per acre. How many gallons of product are needed for 20 acres?
• 11018A wettable powder contains 50% active ingredient. The label rate is 2 pounds of active ingredient per acre. How many pounds of product are needed for 10 acres?
• 11019How much of a 20% concentrate is needed to make 5 gallons of a 2% solution?
• 11020What is 0.05% expressed in parts per million (ppm)?
• 11021About how many pounds of 100% active ingredient are needed to make 1,000 gallons of a 10 ppm solution? (water weighs 8.34 pounds per gallon)
• 11022A label directs 1 fluid ounce of product per gallon of water. How many fluid ounces are needed for 25 gallons of mix?
• 11023A granular product is labeled at 100 pounds per acre. What is the rate in pounds per 1,000 square feet?
• 11024A label calls for 2.5 pounds of granules per 1,000 square feet. How many pounds are needed for 12,000 square feet?
• 11025A granular product is applied at 3 pounds per 1,000 square feet. What is that in pounds per acre?
• 11026A granular product is 5% active ingredient. The label needs 1 pound of active ingredient per acre. How many pounds of product are needed for half an acre?
• 11027A spreader applies 12 pounds of granules over a 4,000 square foot test area. What is the rate per 1,000 square feet?
• 11028How many pints are in 3 gallons?
• 11029How many fluid ounces are in 2.5 quarts?
• 11030A 250-gallon tank is filled with water. About how much does the water weigh? (8.34 pounds per gallon)
• 11031A nozzle delivers 48 fluid ounces in 30 seconds. What is its output in gallons per minute?
• 11032A boom has 20 nozzles that each deliver 0.3 gallon per minute at 5 mph with 20-inch spacing. What is the rate in GPA? (GPA = GPM per nozzle x 5,940 / (mph x spacing in inches))
• 11033A sprayer is calibrated at 20 GPA at 4 mph. Pressure is not changed, and the operator speeds up to 5 mph. What is the new rate?
• 11034To double the output of a nozzle by changing pressure alone, the pressure must be about
• 11035The label rate is 1.5 pints per acre. A 100-gallon tank is calibrated at 25 GPA. How many quarts of product go into one tank?
• 11036A band 10 inches wide is sprayed over 30-inch rows in a 60-acre field. The broadcast rate is 2 pints per acre of area actually treated. How much product is needed?
• 11037A hand-can sprayer applies 2 gallons of spray per 1,000 square feet. What is that rate in gallons per acre?
• 11038A sprayer used 140 gallons to treat 5 acres. What is its application rate?
• 11039A label rate of 87 fluid ounces per acre equals about how many fluid ounces per 1,000 square feet?
• 11040A boom sprayer must apply 20 GPA at 5 mph across a 30-foot boom. About how many gallons per minute must the whole boom deliver? (GPM = GPA x mph x boom width in feet / 495)

Ohio Pesticide Law

• 12001Which chapter of the Ohio Revised Code contains Ohio's main pesticide law?
• 12002Which of the following individuals must hold an Ohio commercial applicator license?
• 12003The owner of a business that is not a pesticide business applies pesticides on the business's own property. At which site does Ohio law require a commercial applicator license for this work?
• 12004A private applicator may use restricted use pesticides only to produce agricultural commodities on property that is
• 12005Before an employee may act as a trained serviceperson in Ohio, the employee must first
• 12006How long must an employer keep the written verification of a trained serviceperson's training?
• 12007A trained serviceperson applies pesticides while the supervising commercial applicator is away from the work site. The applicator must be located
• 12008Which statement about a commercial applicator who directly supervises a trained serviceperson is correct?
• 12009Under Ohio rules, an employer may not permit a person under age 18 to do which of the following without on-site supervision by a pesticide applicator?
• 12010Application equipment that draws water from surface waters or a public water supply must have
• 12011A pesticide carries a label warning that it is toxic to honey bees. It will be applied to half an acre or more of a crop in flower, and a registered, posted apiary lies within one-half mile. What must the applicator do?
• 12012Before a rodenticide, avicide, or vertebrate repellent may be applied by aircraft, the proposed application must
• 12013Herbicidal foliage sprays to woody vegetation on rights-of-way may not be applied by aircraft when wind velocity at eye level exceeds
• 12014When may an applicator drive a moving vehicle while applying herbicide to roadside vegetation within a public right-of-way?
• 12015A commercial applicator may apply fumigants only when licensed in, and working within, which pesticide-use categories?
• 12016A pesticide applicator learns that a person needed medical attention after exposure to a pesticide the applicator used. What reporting does Ohio require?
• 12017An applicator learns of property damage over $500 that resulted or allegedly resulted from a pesticide application. The applicator must
• 12018If requested by a customer, or required by the pesticide label, a licensed applicator must provide a printed or legibly written statement of
• 12019A commercial applicator must record each pesticide application
• 12020A commercial applicator must submit a copy of each application record to the registered pesticide business location or employer within
• 12021A private applicator must keep records of restricted use pesticide applications for at least
• 12022Which of the following must be included in a commercial applicator's record for most pesticide applications (other than structural work and categories 7 and 10)?
• 12023Before applying liquid termiticide to a structure, a commercial applicator must create
• 12024An Ohio private pesticide applicator license is issued for how long?
• 12025An Ohio commercial applicator license is issued for which licensing period?
• 12026What is the ODA fee for an initial or renewal commercial applicator license for one licensing period?
• 12027A commercial applicator's renewal application is not postmarked before the current licensing period ends. What happens to the fee?
• 12028After a commercial applicator license expires, it can generally be renewed without re-examination for up to how long?
• 12029To receive an Ohio commercial applicator license by examination, an applicant must pass
• 12030An applicant passes the Core exam but fails the only category exam taken. For how long can the passing Core score be reused?
• 12031An applicant fails an Ohio pesticide exam. How soon can the applicant be re-tested?
• 12032What must an applicant show the ODA representative at an exam or re-examination?
• 12033An Ohio pesticide applicator must be re-examined at what interval, unless exempted through approved training?
• 12034How much approved training can a commercial applicator complete in place of retaking exams every three years?
• 12035How much approved training can a private applicator (not limited to specialty uses) complete in place of retaking exams every three years?
• 12036A private applicator seeking a license only in the category of specialty uses must pass
• 12037Ohio law requires the owner of a pesticide business to employ
• 12038The owner of a pesticide business must notify the director of a change to the principal address or registered locations within
• 12039Who is responsible for the acts of an employee in handling, applying, and using pesticides for a pesticide business?
• 12040Where must a copy of the pesticide business license be kept?
• 12041The director may deny a pesticide business license to a person whose pesticide business license was revoked within the previous
• 12042What minimum general liability limits must most pesticide businesses carry under Ohio's financial responsibility rule?
• 12043A pesticide dealer license in Ohio is required for
• 12044For how long must a pesticide dealer keep records of restricted use pesticide sales?
• 12045A dealer's annual report of restricted use pesticide sales covers which period?
• 12046A dealer may sell a restricted use pesticide to which person?
• 12047Under Ohio law, no person may apply, use, or recommend a pesticide in a manner inconsistent with
• 12048What are the maximum civil penalties Ohio law allows for a first violation and for each later violation?
• 12049How does Ohio law treat a violation that continues over several days?
• 12050A first violation of Ohio's pesticide law, other than the specific exceptions for negligent operation and false statements in inspections, is generally
• 12051Which violation carries a first-degree misdemeanor penalty on a first offense, with a fourth-degree felony for each later offense?
• 12052Before a hearing, the director may suspend a license, permit, or registration for no longer than
• 12053Which statement about local government regulation of pesticide use on private property is correct?
• 12054Which of the following best describes "incidental use" of a pesticide under Ohio law?
• 12055If the director has reason to believe a piece of application equipment needs calibration, adjustment, or repair to perform satisfactorily, the director may
• 12056A person who claims damages from a pesticide application should
• 12057An applicator holds a commercial license in another state. Under Ohio law, the director
• 12058If a pesticide label gives no container disposal instructions, empty pesticide containers must be
• 12059Under Ohio's rules for pesticide storage and display, pesticides may not be stored
• 12060Secondary containment for non-mobile liquid bulk pesticide facilities built after August 1, 2011 must hold at least
• 12061A spill of a bulk pesticide at or above the federal reportable quantity must be reported to
• 12062For residential lawn applications in a municipal corporation or subdivided area of a township, how long must lawn posting signs remain in place?
• 12063Which information must a commercial applicator give in writing to a customer for a residential lawn application, at or before the time of application?
• 12064Which of the following lawn applications is exempt from Ohio's lawn notification and posting requirements?
• 12065Pesticide businesses must keep the names and contact details of neighbors who asked for prior notice of lawn applications for
• 12066When a pesticide is applied inside a school classroom building while school is in session, which sign requirement applies at the entrances to the area?
• 12067Which element must be part of an integrated pest management (IPM) activity in Ohio for non-agricultural uses?
• 12068Which federal standard has Ohio adopted as its pesticide safety standard for agricultural workers and handlers?
• 12069A restricted use pesticide is used by an immediate family member of a private applicator under the private applicator's direct supervision. Which condition must be met?
• 12070A commercial applicator who produces agricultural commodities and applies pesticides on them is
• 12071Beginning January 1, 2027, what is the minimum age to take an ODA private applicator exam, according to OSU Extension?
• 12072Before a pesticide can be distributed in Ohio, it must be registered with
• 12073Which of the following may a person NOT do under Ohio rules about employing pesticide workers?