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CDFA Pesticide Regulation Exam 2026/2027 | California Study Guide & Practice Questions

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Prepare for the California CDFA Pesticide Regulation Exam with focused study material covering California pesticide laws and regulations, licensing and certification requirements, pesticide types and formulations, toxicity and hazards, residues, labeling, pesticide application equipment, application techniques, label interpretation, field inspections, record audits, and calibration of pesticide application equipment. CDFA identifies Pesticide Regulation as a separate County Agricultural Inspector/Biologist licensing examination focused on pesticide-use enforcement and related regulatory responsibilities.

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CDFA Pesticide Regulation Exam

Which of the following is considered to be pesticide C. The federal Worker Protection Standard
labeling?
A. Spray Nozzle Catalog
B. A printed pesticide advertisement
C. The Federal Worker Protection Standard
D. A written recommendation


When a pesticide registrant allows a pesticide product B. Can sell and deliver the pesticide product for two years
registration to lapse, pest control dealers:
A. Must immediately return all unsold stock
B. Can sell and deliver the pesticide product for two years
C. Must retrieve all previously sold stock
D. Can indefinitely sell and deliver the pesticide product


The difference between California laws and DPR B. Passed by the legislature and regulations are adopted by DPR to carry out the
regulations is that laws are: laws
A. Passed by County Agricultural Commissioners and
regulations are passed by the California legislature
B. Passed by the California legislature and regulations are
adopted by DPR to carry out the laws
C. Supplements to federal regulations
D. Adopted by DPR to carry out regulations signed by the
Governor


Which of the following is not one of the purposes C. Encouraging people to use more pesticides
California's pesticide and pest control laws and
regulations?
A. Protecting workers from pesticide exposure
B. Providing proper, safe, and effective use of pesticides
C. Encouraging people to use more pesticides
D. Protecting public health and safety


A cooperating agency that helps DPR enforce pesticide D. County Agricultural Commissioner
use laws and regulations in California is the
A. County Department of Health
B. State Department of Water Resources
C. State Department of Labor
D. County Agricultural Commissioner


County Agricultural Commissioners may adopt A. Department of Pesticide Regulation
supplemental pesticide regulations with the approval of the
A. Department of Pesticide Regulation
B. Office of the Governor
C. County Board of Supervisors
D. California State Legislature


When a pesticide product registration is cancelled, the sale B. May continue under conditions imposed by the regulatory agency responsible for
and use of this product the cancellation
A. Is automatically prohibited under all circumstances
B. May continue under conditions imposed by the
regulatory agency responsible for the cancellation
C. Will be allowed for two years from the cancellation date
D. Is not affected as long as detailed sales records are
kept current


A Special Local Need Registration (SLN) allows C. Uses of pesticides for crops or sites not listed on the label
A. Growers to apply the pesticide to any crop as long as
the SLN is valid in the grower's state
B. Supplemental uses of the pesticide uniformly
throughout the U.S.
C. Uses of pesticides for crops or sites not listed on the
label
D. Any feasible use of the pesticide is the specified local
area

, CDFA Pesticide Regulation Exam

Which of the following is considered a supplemental label? D. A pamphlet containing use directions and restrictions that is attached to the
A. Sales literature distributed by the pesticide registrant container
B. A sample of pesticide label produced by the registrant
C. Literature containing use and maintenance directions
for application equipment
D. A pamphlet containing use directions and restrictions
that is attached to the container


On a pesticide label, the signal word A. Signifies the relative acute toxicity of the pesticide product
A. Signifies the relative acute toxicity of the pesticide
product
B. Identifies the formulation of pesticide product
C. Warns of the potential crop damage level
D. Identifies relative effectiveness or control level


The precautionary statements section of pesticide labeling D. Hazards to people and domestic animals
contains information about the _________
A. Application rate
B. Crops of which the product can be applied
C. Relative toxicity of the product
D. Hazards to people and domestic animals


Plant-back restriction are found in what section of pesticide D. Directions for use
labeling?
A. Precautionary statements
B. Statement of practical treatment
C. Contents
D. Directions for use


Making an application of a pesticide product at a lower rate A. Always allowed
than specified in labeling directions is ________
A. Always allowed
B. Illegal
C. Allowed only if you obtain written authorization from the
County Agricultural Commissioner
D. Allowed only if the product is tank mixed


Exceeding the maximum application rate of a pesticide B. Illegal
product as its labeling is ________
A. Always allowed
B. Illegal
C. Allowed only if you obtain written authorization from the
County Agricultural Commissioner
D. Allowed only if the product is tank mixed with another
similar product


The U.S. Environmental Protection Agency may classify a B. presents a significant dermal hazard to applicators
pesticide as a restricted use pesticide if it _________
A. is ineffective unless used at twice the label
recommended rate
B. presents a significant dermal hazard to applicators
C. leaves visible residues on treated surfaces
D. does not break down within 7 days


Any person in California who applies or supervises the D. be a certified commercial or private applicator
application of a restricted material must?
A. attend a class on protecting pollinators
B. notify the local UC Cooperative Extension advisor
before making or supervising an application
C. obtain a medical release from a physician
D. be a certified commercial or private applicator

, CDFA Pesticide Regulation Exam

Which two documents must Pest Control Businesses have D. copies of the written pest control recommendation or grower's work order and the
available when making an agricultural use application of a current restricted material permit
pesticide that requires a permit?
A. copies of their Pest Control Business License and the
applicable UC Pest Management Guideline
B. copies of the applicable UC Pest Management
Guideline and copy of the current restricted material permit
C. the grower's work order and Pest Control Business
License
D. copies of the written pest control recommendation or
grower's work order and the current restricted material
permit


An application for a restricted material permit for non- C. criteria for determining the need for the pesticide application
agricultural use must include the _________
A. name and address of the nearest County Agricultural
Commissioner
B. name and address of the individual who will be making
the application
C. criteria for determining the need for the pesticide
application
D. known health effects of the pesticide to be applied


Restricted material permits for agricultural use must be A. site and time specific
__________.
A. site and time specific
B. mailed or personally delivered to anyone living within
1/4 mile of the application
C. approved by the California Department of Pesticide
Regulation
D. posted in a central location for 30 days after the
application


Which of the following is not required information on a D. a signed statement releasing the property owner or operator of the property from
Notice of Intent? liability.
A. the date the intended application will begin.
B. an indication of the approximate acres or units to be
treated.
C. the pest or pests to be controlled.
D. a signed statement releasing the property owner or
operator of the property from liability.


The Pesticide Safety Information Series leafets with the B. non-agricultural settings
"N" designation are written for _________.
A. non-certified pesticide handlers
B. non-agricultural settings
C. non-traditional methods of pesticide application
D. non-English speaking pesticide handlers


Certain pesticides may be exempt from permit D. requires no further restrictions beyond those imposed by federal regulations and
requirements in California if the Department of Pesticide the label
Regulation determines that the pesticide __________.
A. application may be supervised by a non-certified
handler
B. will cause no hazards in California
C. is too hazardous to use in California
D. requires no further restrictions beyond those imposed
by federal regulations and the label


Which of the following pest control activities requires a C. control of tree pests
Department of Pesticide Regulation Pest Control Business
License?
A. preservative treatment of fabrics or structural materials
B. household or industrial sanitation services
C. control of tree pests
D. structural pest control

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