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Question 1Pesticide Laws, Regulations, and Labeling
Which signal word must appear on the label of a pesticide classified as highly toxic by the oral, dermal, or inhalation route?
- Warning
- Caution
- Danger Correct answer.
- Notice
Explanation
EPA assigns signal words by acute toxicity category: DANGER for Category I (highly toxic), WARNING for Category II, and CAUTION for Categories III and IV. A product that also meets the criteria for the word POISON carries the skull and crossbones.
Question 2Pesticide Laws, Regulations, and Labeling
Every pesticide label must carry which statement, regardless of how toxic the product is?
- The word Poison with a skull and crossbones
- Keep out of reach of children Correct answer.
- Do not apply near wells
- Danger to bees
Explanation
The child hazard warning "Keep out of reach of children" is mandatory on every pesticide label. The POISON signal, pollinator advisories, and groundwater advisories are added only when the product's characteristics require them.
Question 3Pesticide Laws, Regulations, and Labeling
A label states that using the product in a manner inconsistent with its labeling is a violation of federal law. What does this require of the applicator?
- Apply the product to any site, since registration covers all uses
- Ignore the label when a licensed dealer gives verbal instructions
- Double the labeled rate if the first application fails
- Use it only as the labeling and the law allow Correct answer.
Explanation
FIFRA makes it unlawful to use a registered pesticide in a manner inconsistent with its labeling, and the label directions become enforceable legal requirements once the product is sold. Only narrow exceptions, such as reducing a rate where the label does not forbid it, fall outside the prohibition.
Question 4Pesticide Laws, Regulations, and Labeling
Under FIFRA, which entity registers a pesticide product for sale and distribution in the United States?
- The county weed control authority
- The state where the product is manufactured
- The U.S. Environmental Protection Agency Correct answer.
- The Nebraska Department of Agriculture's pesticide division
Explanation
FIFRA gives EPA the authority to register pesticides and to approve their labels. Nebraska regulates the sale and use of pesticides within its borders and may add restrictions, but it does not grant the federal registration.
Question 5Pesticide Laws, Regulations, and Labeling
Under federal law, who may apply a restricted-use pesticide?
- Only the person who purchased the product
- Any adult who has read the entire product label carefully
- Any employee of the property owner
- A certified applicator or a supervised worker Correct answer.
Explanation
Restricted-use pesticides may be applied only by a certified applicator or by a noncertified person acting under a certified applicator's direct supervision. The federal certification rule also requires those noncertified applicators to be at least 18 years old and to be trained or instructed before handling the product.
Question 6Pesticide Laws, Regulations, and Labeling
In Nebraska, which agency administers the state pesticide law and issues applicator certifications and licenses?
- The U.S. Department of Agriculture
- The Nebraska Department of Environment and Energy
- The Nebraska Department of Agriculture Correct answer.
- The Nebraska Game and Parks Commission
Explanation
The Nebraska Pesticide Act places administration of pesticide regulation, including applicator certification and licensing, with the Nebraska Department of Agriculture through its Director. Other state agencies run separate environmental programs but do not license pesticide applicators.
Question 7Pesticide Laws, Regulations, and Labeling
How long is a Nebraska private applicator certification valid before it must be renewed?
- 1 year
- 3 years Correct answer.
- 5 years
- 2 years
Explanation
Nebraska certifies private applicators on a three-year cycle. Renewal is available by passing the examination again or by completing approved recertification training before the certification expires.
Question 8Pesticide Laws, Regulations, and Labeling
What does the restricted-entry interval (REI) on a pesticide label establish?
- The interval between two applications to the same field
- The waiting period between the last application and harvest
- The period when workers may not enter a treated area Correct answer.
- The time a product may be stored before it loses potency
Explanation
The REI is the minimum time that must pass after an application before workers may enter the treated area, and it appears in the agricultural use requirements box for products covered by the Worker Protection Standard. Entry before the REI ends is allowed only for narrowly defined exceptions with the required protections.
Question 9Pesticide Laws, Regulations, and Labeling
An unexpected pest outbreak threatens Nebraska crops and no registered product controls it. Which mechanism lets EPA authorize a pesticide use for a limited time?
- An emergency exemption under FIFRA Section 18 Correct answer.
- An experimental use permit under Section 5
- A special local needs registration under Section 24(c)
- A tolerance exemption under Section 408
Explanation
Section 18 allows EPA to permit emergency use of an unregistered pesticide, or an unregistered use of a registered one, for a limited period when no reasonable alternative exists. The exemption sets conditions on the treated acreage, the time period, and the required labeling.
Question 10Pesticide Laws, Regulations, and Labeling
Nebraska determines that growers need a use not covered by a product's federal registration. What action can the state take?
- Obtain a Section 24(c) special local needs registration Correct answer.
- Add the new use directly to the federal label without EPA review
- Ask Congress to amend FIFRA for that single use
- Issue an emergency exemption using only state authority, without EPA
Explanation
Section 24(c) lets a state register an additional use of a federally registered product, or a new product, to meet a special local need within that state. The state issues the SLN registration and must notify EPA and ensure the action is consistent with federal law.
Question 11Pesticide Laws, Regulations, and Labeling
Pesticide products that meet EPA's minimum-risk criteria under FIFRA Section 25(b) are best described as:
- Banned from sale in Nebraska
- Exempt from federal registration Correct answer.
- Restricted-use pesticides
- Registered only for greenhouse use
Explanation
Section 25(b) exempts products made from certain minimum-risk active ingredients from federal registration when all the criteria are met. States may still regulate or restrict these products, but they do not carry an EPA registration number.
Question 12Pesticide Laws, Regulations, and Labeling
Under FIFRA, the term "labeling" reaches beyond the printed label attached to the container to include which of the following?
- Only the safety data sheet supplied by the manufacturer
- Only the invoice provided at the time of sale
- Only the text printed on the container itself
- Written material that accompanies the product Correct answer.
Explanation
FIFRA defines labeling to include all written, printed, or graphic matter accompanying the pesticide or referenced on the label. This is why brochures, supplemental sheets, and similar materials can create enforceable use restrictions.
Question 13Pesticide Laws, Regulations, and Labeling
A label's personal protective equipment section requires chemical-resistant gloves. When must the gloves be worn?
- Only while the sprayer is being calibrated in the field
- For every handling task the label lists Correct answer.
- Only when the product is applied at the highest labeled rate
- Only if the applicator has open cuts on the hands
Explanation
PPE statements apply to the specific tasks named, which typically include mixing, loading, applying, and cleaning or repairing equipment. The required equipment must be worn whenever any of those tasks is performed, regardless of application rate.
Question 14Pesticide Laws, Regulations, and Labeling
What does the preharvest interval (PHI) on a food-crop label specify?
- The waiting period before workers may re-enter
- The minimum time between last application and harvest Correct answer.
- The interval before the field may be replanted to a new crop
- The number of applications allowed per season
Explanation
The PHI is set so that residues at harvest stay below the tolerance established for that crop. Harvesting earlier than the interval can leave illegal residues and make the commodity adulterated.
Question 15Pesticide Laws, Regulations, and Labeling
Where on a pesticide label would you look for instructions on what to do if concentrate splashes into a worker's eye?
- Storage and disposal
- Directions for use
- Environmental hazards
- First aid statement Correct answer.
Explanation
The first aid statement gives symptom-based instructions for exposure, including eye flushing times, whether to induce vomiting, and when to call a physician. It should be readily accessible wherever the product is handled.
Question 16Pesticide Laws, Regulations, and Labeling
Under federal regulations, how long must a certified applicator keep records of applications of restricted-use pesticides?
- 2 years Correct answer.
- 6 months
- 5 years
- 1 year
Explanation
Certified applicators must retain restricted-use pesticide application records for two years from the date of application and make them available to authorized officials on request. Some states impose additional record requirements on licensed commercial applicators.
Question 17Pesticide Laws, Regulations, and Labeling
After a pesticide container is emptied, what is the accepted practice before disposal?
- Fill it with water and store it in the barn
- Burn it in a field away from buildings
- Triple rinse it into the spray tank Correct answer.
- Crush it and bury it at the edge of the field
Explanation
Rinsing removes residue that would otherwise make the container hazardous, and the rinsate is added to the spray tank as part of the labeled mixture. The rinsed container is then handled according to the label and state guidance, which commonly means recycling or proper landfill disposal.
Question 18Pesticide Laws, Regulations, and Labeling
A pesticide with a 12-hour restricted-entry interval is applied to a block of orchard where workers are employed. Under the Worker Protection Standard, the employer must:
- Notify workers by posting or individual notice Correct answer.
- Pay workers overtime for the day of the application
- Send each worker a written notice by mail
- Provide respirators to all workers in the orchard
Explanation
The Worker Protection Standard requires agricultural employers to notify workers of applications either orally with the required information posted, or by displaying the application information at a central location. Notification must occur before the application and remain in place through the REI.
Question 19Pesticide Laws, Regulations, and Labeling
A grower treats a neighbor's field with a restricted-use herbicide and is paid for the work. In Nebraska, the grower is acting as:
- A noncertified handler
- A pesticide dealer
- A private applicator
- A commercial applicator Correct answer.
Explanation
A private applicator applies restricted-use pesticides on land he or she owns or rents, or on another person's property without compensation other than trading of personal services. Applying for a fee on property the applicator does not control requires a commercial applicator license.
Question 20Pesticide Laws, Regulations, and Labeling
Which statement best describes a pesticide tolerance set by EPA?
- The maximum legal residue allowed on food Correct answer.
- The longest interval allowed between application and harvest
- The maximum amount of product a dealer may sell in one year
- The highest application rate permitted on any label
Explanation
A tolerance is the maximum residue concentration of a pesticide permitted in or on a raw agricultural commodity. Applying a product in a way that leaves residues above the tolerance makes the food adulterated and the crop unmarketable.
Question 21Pesticide Laws, Regulations, and Labeling
A Nebraska regulation restricts an application more than the product label does. Which requirement must the applicator meet?
- The label requirement, since labels are federal documents
- The requirement listed in the dealer's written recommendation
- The label requirement, because federal law preempts state rules
- The stricter state requirement Correct answer.
Explanation
FIFRA sets a national floor, but states retain authority to impose additional restrictions on the sale and use of pesticides. An applicator must therefore comply with both the label and any stricter state or local rule.
Question 22Pesticide Laws, Regulations, and Labeling
A container label does not list your crop, but Nebraska has issued a Section 24(c) special local needs label for that crop. What must you do to use that registration?
- Get a Section 18 exemption from EPA first
- Keep the SLN labeling on hand during the application Correct answer.
- Apply at half the labeled rate to reduce risk
- Nothing extra; the container label alone governs the use
Explanation
An SLN registration is use-specific labeling that supplements the container label, and the applicator must have it available and follow it. The SLN is valid only in the state that issued it and only for the uses and conditions it states.
Question 23Pesticide Laws, Regulations, and Labeling
An experimental use permit allows a company or cooperator to:
- Apply an unregistered product for limited research Correct answer.
- Exempt a product from all state regulation
- Sell a new pesticide commercially before it is registered
- Extend a registration to any crop the company chooses
Explanation
An EUP authorizes limited use of an unregistered pesticide or an unregistered use to generate data needed for registration, with caps on acreage, quantity, and conditions. It is not a route to commercial sale, and state requirements still apply.
Question 24Pesticide Laws, Regulations, and Labeling
A farm employee applies a restricted-use insecticide above the label maximum because the owner ordered it. Who may be held responsible?
- Only the farm owner who gave the order
- Only the employee who operated the sprayer
- No one, because the product was bought legally
- Both the applicator and the person who ordered it Correct answer.
Explanation
FIFRA prohibits any person from using a pesticide inconsistent with its labeling and reaches those who direct or cause the unlawful use as well as those who perform it. The licensed or certified applicator also remains personally responsible for the application.
Question 25Pesticide Laws, Regulations, and Labeling
A product is registered for use on corn and soybeans. A grower wants to spray it on sunflower, a crop not named on the label. Under FIFRA, is the use legal?
- No, unless the state issues a Section 18 exemption for that field
- No; a site not listed on the label may not be treated Correct answer.
- Yes, if the farmer accepts responsibility for the crop
- Yes, as long as the product controls the pest
Explanation
FIFRA permits use against a pest that is not listed when the labeled site is treated, but the site itself must appear on the labeling. Treating a crop that is not on the label is a use inconsistent with labeling unless a special local needs registration, emergency exemption, or label amendment authorizes it.
Question 26Pesticide Laws, Regulations, and Labeling
Under FIFRA, which of the following is regulated as a pesticide?
- A product intended to destroy or repel pests Correct answer.
- A water softener installed in an irrigation line
- A soil conditioner that improves drainage and tilth
- A nitrogen fertilizer blended with micronutrients for corn
Explanation
FIFRA defines a pesticide broadly as any substance or mixture intended to prevent, destroy, repel, or mitigate a pest, which covers insecticides, herbicides, fungicides, and similar products. Fertilizers, soil conditioners, and water-treatment devices used for those non-pest purposes fall outside that definition.
Question 27Pesticide Laws, Regulations, and Labeling
What does the signal word DANGER on the front panel of a pesticide label indicate?
- It marks the product as restricted use
- It marks the product as flammable
- It marks the product as highly toxic Correct answer.
- It marks the product as slightly toxic
Explanation
Signal words reflect the product's acute toxicity category: DANGER for the most toxic products, WARNING for moderately toxic products, and CAUTION for products of lower toxicity. A product bearing DANGER is highly toxic by at least one route of exposure and requires the strongest precautionary statements.
Question 28Pesticide Laws, Regulations, and Labeling
Where must the statement "Restricted Use Pesticide" appear on a product label?
- Inside the ingredient statement
- At the top of the front panel Correct answer.
- On the back panel, next to the warranty language
- Only in the supplemental labeling shipped separately
Explanation
Federal labeling rules require the restricted-use designation to be placed prominently at the top of the front panel so that users and dealers see it before reading anything else. This placement also supports the requirement that only certified applicators, or persons under their direct supervision, use the product.
Question 29Pesticide Laws, Regulations, and Labeling
Under FIFRA, who may lawfully apply a restricted-use pesticide?
- A certified applicator, or a person under a certified applicator's direct supervision Correct answer.
- Any licensed pesticide dealer holding a current business permit
- Any adult who has read the entire product label carefully
- Any owner of the land that is being treated
Explanation
Restricted-use pesticides may be applied only by certified applicators or by noncertified persons acting under the direct supervision of a certified applicator where the label allows it. Reading the label or owning the land does not substitute for the required certification.
Question 30Pesticide Laws, Regulations, and Labeling
What does the EPA registration number printed on a pesticide label identify?
- The plant where the product was manufactured
- The registered product held by the registrant Correct answer.
- The dealer's state license number
- The lot number assigned during packaging
Explanation
The EPA registration number identifies the specific product registration held by the registrant and is unique to that product and formulation. The manufacturing location is shown separately by the EPA establishment number.
Question 31Pesticide Laws, Regulations, and Labeling
The label states: "It is a violation of federal law to use this product in a manner inconsistent with its labeling." What does this mean for the applicator?
- The statement applies only to restricted-use products
- Label directions are legally binding under FIFRA Correct answer.
- Any use approved by a certified crop adviser is allowed
- The statement is advisory and carries no legal weight
Explanation
FIFRA makes it unlawful to use a registered pesticide in a manner inconsistent with its labeling, so the directions for use carry the force of federal law. An applicator may not depart from the labeled site, rate, timing, or method merely because someone else recommends it.
Question 32Pesticide Laws, Regulations, and Labeling
How should an applicator treat the storage and disposal directions printed on a pesticide label?
- As applying only while the container remains sealed
- As advisory only, since they are not use directions
- As applying only to restricted-use products
- As enforceable directions that must be followed Correct answer.
Explanation
Storage and disposal instructions are part of the label's directions for use and must be followed, because improper storage or disposal can create hazards the registration was designed to prevent. They remain applicable after the container is opened and throughout the product's life.
Question 33Pesticide Laws, Regulations, and Labeling
Which statement addressing accidental exposure of children must appear on most pesticide labels?
- Store only in a locked metal cabinet
- Child-safe when properly diluted
- Keep out of reach of children Correct answer.
- Not for use around children or pets
Explanation
The child hazard warning "Keep out of reach of children" is a required front-panel statement on most pesticide labels, intended to reduce accidental childhood exposures. It is a warning statement, not a claim about the product's safety.
Question 34Pesticide Laws, Regulations, and Labeling
Under FIFRA, a pesticide is considered misbranded when:
- it is sold in containers larger than one gallon
- it is registered for use on more than one crop
- its active ingredient content exceeds 50 percent
- its label bears a false or misleading statement Correct answer.
Explanation
A pesticide is misbranded if its label or labeling contains false or misleading statements or omits required information. Misbranded products may not be sold or distributed, and doing so is a violation of FIFRA.
Question 35Pesticide Laws, Regulations, and Labeling
A Nebraska dealer sells a restricted-use insecticide to a customer who holds no certification. Who has violated the law?
- Neither, if the customer signs a waiver
- Both the dealer and the customer Correct answer.
- Only the dealer, who made the sale
- Only the customer, who later applied the product
Explanation
Restricted-use pesticides may be distributed only to certified applicators, so the dealer violates FIFRA by making the sale to an uncertified buyer. The uncertified purchaser also violates the law by obtaining and using the product without certification.
Question 36Pesticide Laws, Regulations, and Labeling
Under the Worker Protection Standard, how often must agricultural workers and handlers be trained?
- Every 3 years
- Every 12 months Correct answer.
- Once, before their first day of work
- Every 5 years
Explanation
The Worker Protection Standard requires workers and handlers to be trained at least every 12 months, with handlers trained before performing handler tasks. Retraining at that interval keeps safety information current as labels and practices change.
Question 37Pesticide Laws, Regulations, and Labeling
An applicator has a container of product whose label was revised by the registrant after purchase. Which directions govern the application?
- The revision the dealer has on file
- The most recent revision printed by the registrant
- Whichever revision is less restrictive
- The label attached to the container being used Correct answer.
Explanation
The applicator is bound by the labeling that accompanies the product in the container being used, because that is the registered labeling under which the product was distributed. Obtaining a newer version from another source does not change the directions on the container in hand.
Question 38Pesticide Laws, Regulations, and Labeling
The duty to follow pesticide label directions covers which activities?
- Only activities performed by commercially certified applicators
- Only uses involving pesticides classified as restricted use
- Mixing, loading, applying, storing, and disposing of the product Correct answer.
- Only the actual application to the field or orchard
Explanation
FIFRA's definition of "use" reaches the whole handling sequence, including mixing, loading, application, storage, and disposal. Label directions on those steps are therefore enforceable in the same way as the application rate or site directions.
Question 39Pesticide Laws, Regulations, and Labeling
Under the Worker Protection Standard, how must agricultural workers be notified of a pesticide application on the establishment?
- By posting warning signs or giving oral notification Correct answer.
- Notification is not required for general-use products
- By a written report mailed after the application
- By an announcement in the local newspaper
Explanation
The standard requires the employer to notify workers either by posting treated areas with warning signs or by giving oral notification, depending on the labeling and the employer's chosen method. The notice must be given before the application and must cover the restricted-entry interval.
Question 40Pesticide Laws, Regulations, and Labeling
A label lists a rate range of 1 to 2 pints per acre for the target pest. Which rate may the applicator use?
- Exactly 2 pints per acre in all cases
- Any rate the applicator believes will control the pest
- A rate above the range when pest pressure is severe
- A rate within the stated range, not exceeding 2 pints Correct answer.
Explanation
When a label gives a rate range, the applicator may select any rate within that range that fits the site and pest conditions, but may not exceed the maximum labeled rate. Exceeding the maximum is a use inconsistent with the labeling.
Question 41Pesticide Laws, Regulations, and Labeling
The skull and crossbones symbol appears on labels of products that:
- carry the signal word CAUTION
- contain any petroleum-based solvent
- carry the signal word DANGER Correct answer.
- are classified as restricted use
Explanation
The skull and crossbones is the hazard symbol associated with the highest acute toxicity category, which carries the signal word DANGER. It signals that the product can be fatal or severely injurious at low exposure levels.
Question 42Pesticide Laws, Regulations, and Labeling
What information does the boxed "Agricultural Use Requirements" section of a label provide?
- The Worker Protection Standard requirements that apply to the use Correct answer.
- The state special local needs registration number
- The registration and establishment numbers
- The storage temperature range for the concentrate
Explanation
The boxed Agricultural Use Requirements section states that the use is covered by the Worker Protection Standard and summarizes the duties that go with it, such as training, notification, and restricted-entry intervals. It is a regulatory notice rather than a statement of product identity or storage conditions.
Question 43Pesticide Laws, Regulations, and Labeling
Under FIFRA, a pesticide may be sold or distributed in the United States only if:
- it contains no inert ingredients
- it is registered by EPA, unless an exemption applies Correct answer.
- it is endorsed by a university extension service
- it carries a money-back guarantee
Explanation
FIFRA generally prohibits the sale or distribution of a pesticide that is not registered with EPA, subject to limited mechanisms such as experimental use permits, emergency exemptions, and minimum-risk exemptions. Extension endorsement or a guarantee has no bearing on that requirement.
Question 44Pesticide Laws, Regulations, and Labeling
A label states: "Do not apply within 30 feet of any well." How must the applicator treat this statement?
- As a mandatory use restriction on the label Correct answer.
- As a suggestion that applies only to sandy soils
- As a recommendation that may be exceeded with care
- As a rule that applies only to restricted-use products
Explanation
A setback distance printed in the directions for use is a mandatory restriction, and applying inside that distance is a use inconsistent with the labeling. The restriction applies regardless of soil type and regardless of whether the product is general use or restricted use.
Question 45Pesticide Laws, Regulations, and Labeling
What does the ingredient statement on a pesticide label provide?
- The date the product was manufactured and packaged
- The name of the EPA reviewer who approved the label
- Each active ingredient's name and percentage Correct answer.
- The dealer's certification number and expiration date
Explanation
The ingredient statement lists every active ingredient by name together with its percentage by weight, and it also states the total percentage of inert ingredients. This lets the user compare products and identify the components that control the target pest.
Question 46Pesticide Laws, Regulations, and Labeling
A label shows "EPA Reg. No. 12345-67" and "EPA Est. No. 1234-NE-1." What does the second number identify?
- The tolerance for the active ingredient
- The facility where the product was produced Correct answer.
- The registered product and its formulation
- The state certification held by the dealer
Explanation
The establishment number identifies the producing establishment where the pesticide was formulated or packaged, and its state abbreviation shows where that plant is located. The registration number, by contrast, identifies the product registration itself.
Question 47Pesticide Laws, Regulations, and Labeling
A dealer's promotional flyer recommends a use that does not appear on the product's registered label. How is this best described?
- Legal, if the product is a general-use pesticide
- Misbranding, since advertising counts as labeling Correct answer.
- Legal, if the flyer includes a liability disclaimer
- Acceptable, because advertising is not part of labeling
Explanation
FIFRA's definition of labeling includes promotional and descriptive material that accompanies or supplements the product, so recommending an unregistered use in advertising can render the product misbranded. A disclaimer does not cure a recommendation for a use the registration does not permit.
Question 48Pesticide Laws, Regulations, and Labeling
Under the Worker Protection Standard, the application exclusion zone is best described as:
- the treated area posted with warning signs after application
- the buffer strip required next to an organic field
- the distance from a well where applications are prohibited
- the area kept clear of people around application equipment Correct answer.
Explanation
The application exclusion zone is an area surrounding application equipment that must be free of workers and other people while an application is in progress, with its size depending on the application method and droplet spectrum. It operates during the application, in contrast to the restricted-entry interval that follows it.
Question 49Pesticide Laws, Regulations, and Labeling
EPA may classify a pesticide for restricted use when the product:
- is sold in containers larger than one gallon in size
- carries any of the four signal words on its label
- contains more than one active ingredient
- poses unreasonable risk without added restrictions Correct answer.
Explanation
EPA classifies a product for restricted use when it may cause unreasonable adverse effects on people or the environment without additional regulatory limits, such as sale only to certified applicators. Signal word, package size, and the number of active ingredients are not the criteria for that classification.
Question 50Pesticide Laws, Regulations, and Labeling
After EPA cancels a pesticide registration, what happens to product already in a farmer's possession?
- It may be used without any restriction
- It must be destroyed immediately in all cases
- It may be used if the state issues a Section 18 exemption
- Only as allowed by the existing-stocks order Correct answer.
Explanation
A cancellation order typically includes an existing-stocks provision that sets the terms and deadlines for using, selling, or disposing of product already in the channels of trade. The applicator must follow those terms rather than assuming unrestricted use or immediate destruction.