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EPA Pesticide Applicator — Core (Washington)

First published: September 2, 2026Last verified: September 2, 2026Reviewed by the CertQuestUSA team
TL;DR

EPA Pesticide Applicator — Core (Washington): a 141-question practice bank for the real EPA Environmental standard, 3 full papers of 50 questions each with no repeats, every question citing the real regulation it comes from.

Where these questions come from

Every question in this bank cites a real source -- primarily 40 CFR (72%) and RCW (22%) of this exam's citations.

Not sure where you stand? Take the free diagnostic — 10 real questions across the exam's domains, no sign-up required, with a domain-by-domain breakdown at the end.
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3
full papers, no repeats
50
questions per paper
141
questions in the bank
What this exam covers
5 real sample questions
Under RCW 17.21.128, how often must most categories of Washington certified applicators renew or recertify their license?
A. Annually
B. Every 2 years
C. Every 10 years
D. Every 5 years
Source: RCW 17.21.128
Under RCW 17.21.420, when does an individual's listing on Washington's pesticide-sensitive individuals list expire each year, requiring the individual to reapply to remain listed?
A. It never expires once a person is listed
B. December 31 of each year
C. On the applicant's birthday
D. June 15 of each year
Source: RCW 17.21.420
Which Washington state agency has primary regulatory authority to administer pesticide applicator certification and licensing under the Washington Pesticide Application Act, RCW 17.21?
A. Washington State Department of Agriculture (WSDA)
B. Washington State Department of Ecology
C. Washington State Department of Health
D. Washington State Department of Natural Resources
Source: RCW 17.21.020
Washington regulates pesticides under two separate chapters of the Revised Code of Washington. Which statement correctly describes the relationship between RCW 15.58 and RCW 17.21?
A. RCW 15.58 governs applicator certification exams while RCW 17.21 governs pesticide product registration.
B. RCW 15.58 is the Pesticide Control Act, governing product registration, dealer licensing, and misbranding, while RCW 17.21 is the Pesticide Application Act, governing applicator and operator licensing and application practices.
C. RCW 15.58 was repealed and fully replaced by RCW 17.21 in 1971.
D. RCW 17.21 applies only to federal restricted use pesticides while RCW 15.58 applies only to state restricted use pesticides.
Source: RCW 15.58; RCW 17.21
As used throughout RCW 17.21, the Washington Pesticide Application Act, to whom does the term "director" refer?
A. The director of the Washington State Department of Ecology or a designee
B. The Governor of Washington or a designee
C. The director of the Washington State Department of Agriculture or a duly authorized representative
D. The director of the U.S. EPA regional office covering Washington
Source: RCW 17.21.020
Same exam, other states
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Real-world data for this exam
Pesticide Handlers, Sprayers, and Applicators, Vegetation: real median wage (WA)May 2025$47,360/yr

Frequently asked questions

How many questions are on the CertQuestUSA EPA Pesticide Applicator — Core (Washington) practice test?
141 questions total, split into 3 full papers of 50 each with no repeats across papers.
What topics does the EPA Pesticide Applicator — Core (Washington) test cover?
17 domains, with the heaviest weight on Worker Protection Standard (15%), Certification Standards (11%), and Label Comprehension (11%).
Where do CertQuestUSA's EPA Pesticide Applicator — Core (Washington) questions come from?
Primarily 40 CFR (72%) and RCW (22%) of this bank's citations -- computed directly from this exam's own question sources, not a generic description.
Is there a free diagnostic for EPA Pesticide Applicator — Core (Washington)?
Yes -- 10 real questions across the exam's domains, no sign-up required, with a domain-by-domain breakdown at the end.
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