• 70 questions

Delaware Pesticide Applicator Practice Test

Unofficial practice on Delaware's pesticide law: every answer names its section of Title 3, Chapter 12 or regulation 601.

How old must an applicant for Delaware pesticide applicator certification be?

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Exam mode: 40 questions, no time limit, 28 right to pass (70%).

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Unofficial practice questions, not affiliated with the Delaware Department of Agriculture. Bank checked October 15, 2026.

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All 70 questions

Certification and licenses 19

  • A business license needs a certified applicator with 2 years of practical experience. Within what period must it have been acquired? 3 Del. C. § 1207(c)(1), Delaware Code, Title 3, Chapter 12, Pesticides, as the State publishes it at delcode.delaware.gov, read 2026-10-15
  • A license renewal application reaches the Department by November 30. What happens to the license on December 31? 3 Del. C. § 1210, Delaware Code, Title 3, Chapter 12, Pesticides, as the State publishes it at delcode.delaware.gov, read 2026-10-15
  • A licensee's employees who handle pesticides without being certified complete a training program the Department approves. How often must each employee's training be updated and submitted? 3 DE Admin. Code 601-4.2.2, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • A registered employee leaves the business. How soon must the licensee notify the Department in writing? 3 DE Admin. Code 601-4.2.4, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
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Certification and licenses, continued

  • Does a private applicator need a pesticide business license in Delaware? 3 Del. C. § 1206(a), Delaware Code, Title 3, Chapter 12, Pesticides, as the State publishes it at delcode.delaware.gov, read 2026-10-15
  • How high must the business license number be on a service vehicle under regulation 5.5? 3 DE Admin. Code 601-5.5, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • How old must an applicant for Delaware pesticide applicator certification be? 3 Del. C. § 1216, Delaware Code, Title 3, Chapter 12, Pesticides, as the State publishes it at delcode.delaware.gov, read 2026-10-15
  • How soon must a licensee register an employee who handles pesticides? 3 DE Admin. Code 601-4.2.1, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • Regulation 21.0 on institutional and maintenance use names five kinds of buildings. Which list is it? 3 DE Admin. Code 601-21.0, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • Regulation 21.0 restricts institutional and maintenance pesticide use in places such as apartment buildings. There, an apartment building has at least how many dwelling units? 3 DE Admin. Code 601-21.1, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • What does a Delaware pesticide business license cost under 3 Del. C. § 1207(b)? 3 Del. C. § 1207(b), Delaware Code, Title 3, Chapter 12, Pesticides, as the State publishes it at delcode.delaware.gov, read 2026-10-15
  • What does a restricted use pesticide dealer need for each dealership? 3 DE Admin. Code 601-20.3, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • What experience must at least one certified applicator under a business license have, by § 1207(c)(1)? 3 Del. C. § 1207(c)(1), Delaware Code, Title 3, Chapter 12, Pesticides, as the State publishes it at delcode.delaware.gov, read 2026-10-15
  • What must a registered employee do with the registration card the Department issues? 3 DE Admin. Code 601-4.2.3, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • What penalty applies when a license renewal application is not filed before January 1? 3 Del. C. § 1207(e), Delaware Code, Title 3, Chapter 12, Pesticides, as the State publishes it at delcode.delaware.gov, read 2026-10-15
  • Which Delaware category holds the subcategory for paints that protect boat hulls? 3 DE Admin. Code 601-7.5.2, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • Which Delaware subcategory covers janitors and grounds staff who use pesticides on the property they are employed to maintain? 3 DE Admin. Code 601-7.7.5, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • Who may use a restricted use pesticide in Delaware under 3 Del. C. § 1216? 3 Del. C. § 1216, Delaware Code, Title 3, Chapter 12, Pesticides, as the State publishes it at delcode.delaware.gov, read 2026-10-15
  • Who needs a license from the Department under 3 Del. C. § 1206? 3 Del. C. § 1206(a), Delaware Code, Title 3, Chapter 12, Pesticides, as the State publishes it at delcode.delaware.gov, read 2026-10-15

Exams and renewal 21

  • A commercial applicant fails a category examination. When may the one reexamination be scheduled? 3 DE Admin. Code 601-8.2.5, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • A private applicator fails the examination. When may the reexamination be scheduled under regulation 9.3.2? 3 DE Admin. Code 601-9.3.2, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • A reciprocal Delaware certification rests on an original certification made in which state? 3 DE Admin. Code 601-12.2, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • After original certification in Delaware, for how many renewals is a commercial applicator exempt from reexamination? 3 DE Admin. Code 601-8.5.2.3, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • During the grace period, what may a commercial applicator with an expired certificate not do? 3 DE Admin. Code 601-8.5.3.3, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • Federal employees certified elsewhere are brought into Delaware for a pest emergency. For how long are they considered certified? 3 DE Admin. Code 601-11.3, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • How are Delaware's commercial certification examinations administered under regulation 8.2.1? 3 DE Admin. Code 601-8.2.1, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • How far ahead must an applicant register for a scheduled examination? 3 DE Admin. Code 601-8.2.2, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • How long does a private applicator's certification continue in force? 3 DE Admin. Code 601-9.4.1, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • How long is the grace period after a certificate's date of expiration? 3 DE Admin. Code 601-8.5.3.1, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • How many hours of approved education let a private applicator renew without a test? 3 DE Admin. Code 601-9.4.3, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • How many hours of approved training does Agricultural Plant (1A) take to renew without a test? 3 DE Admin. Code 601-8.5.2.4, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • How many hours of approved training does General Pest Control (7A) take to renew without a test? 3 DE Admin. Code 601-8.5.2.4, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • How many times may an applicant be examined in the same commercial category in any 12-month period? 3 DE Admin. Code 601-8.2.5, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • How often does regulation 8.2.3 require examinations to be scheduled? 3 DE Admin. Code 601-8.2.3, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • Over what period are a commercial applicator's hours of approved training counted toward renewal? 3 DE Admin. Code 601-8.5.2.2, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • What is the certification fee for a Delaware commercial applicator? 3 DE Admin. Code 601-8.5.1.1, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • What is the fee for private applicator certification in Delaware? 3 DE Admin. Code 601-9.4.4, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • What must an applicator show before sitting for the examination under regulation 9.3.4? 3 DE Admin. Code 601-9.3.4, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • What share of questions must be answered correctly on a Delaware commercial certification examination? 3 DE Admin. Code 601-8.2.4, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • Who is exempt from the commercial certification fee under regulation 8.5.1.2? 3 DE Admin. Code 601-8.5.1.2, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15

Records and financial security 9

  • For which pesticides must the EPA Registration Number be recorded at or before the time of application? 3 DE Admin. Code 601-14.1.1, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • How long do restricted use pesticide dealers keep records of sales? 3 DE Admin. Code 601-14.2.1, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • How long must a commercial applicator keep records of pesticide applications? 3 DE Admin. Code 601-14.1, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • Unless good cause is shown, how soon must an application record be logged? 3 DE Admin. Code 601-14.1.8, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • What evidence of financial security must an applicant file before a license is issued? 3 DE Admin. Code 601-15.1, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • What minimum financial security does regulation 15.1 set for the commercial categories? 3 DE Admin. Code 601-15.1, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • What must be presented when a restricted use pesticide is delivered, under regulation 14.2.1.2? 3 DE Admin. Code 601-14.2.1.2, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • What must the applicator have available at the site of application under regulation 14.1.7? 3 DE Admin. Code 601-14.1.7, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • When the label advises precaution about drift, which on-site weather conditions go in the record? 3 DE Admin. Code 601-14.1.6, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15

Containers and equipment 9

  • In the standard triple rinse, how long is the emptied container drained after steady flow has ceased? 3 DE Admin. Code 601-16.2.1.1.1, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • In the standard triple rinse, how much solvent is added to the drained container each time? 3 DE Admin. Code 601-16.2.1.1.2, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • What does regulation 22.3 require of a termiticide soil treatment, unless a listed exception applies? 3 DE Admin. Code 601-22.3, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • What must hoses and pumps used to fill pesticide application equipment be fitted with under regulation 18.2? 3 DE Admin. Code 601-18.2, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • When must an emptied pesticide container be triple rinsed under regulation 16.2.1? 3 DE Admin. Code 601-16.2.1, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • Where do triple rinsed containers labeled for commercial or farm use go under regulation 16.2.1.6? 3 DE Admin. Code 601-16.2.1.6, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • Which of these does regulation 16.1.1 prohibit? 3 DE Admin. Code 601-16.1.1.3, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • Which rinsed containers are exempt from the puncture requirement of regulation 16.2.1.5? 3 DE Admin. Code 601-16.2.1.5, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15
  • Why must application equipment have cut-off valves and discharge orifices under regulation 18.1? 3 DE Admin. Code 601-18.1, Delaware Pesticide Rules and Regulations (last amended 28 DE Reg. 576, 02/01/25), as the Registrar of Regulations publishes it, read 2026-10-15

Unlawful acts and penalties 12

  • A cease and desist order from the Secretary expires after how long, if not withdrawn or superseded? 3 Del. C. § 1203(i), Delaware Code, Title 3, Chapter 12, Pesticides, as the State publishes it at delcode.delaware.gov, read 2026-10-15
  • A first offense of using a pesticide inconsistent with its labeling is what under 3 Del. C. § 1224? 3 Del. C. § 1224(a)(1), Delaware Code, Title 3, Chapter 12, Pesticides, as the State publishes it at delcode.delaware.gov, read 2026-10-15
  • A licensee no longer employs a certified applicator with 2 years of practical experience. What does § 1209 direct? 3 Del. C. § 1209(b)(3), Delaware Code, Title 3, Chapter 12, Pesticides, as the State publishes it at delcode.delaware.gov, read 2026-10-15
  • After a certification is revoked, how long may the Department make the person wait before reapplying? 3 Del. C. § 1223, Delaware Code, Title 3, Chapter 12, Pesticides, as the State publishes it at delcode.delaware.gov, read 2026-10-15
  • Engaging in the business of applying a pesticide on the lands of another without a license is what under § 1224? 3 Del. C. § 1224(a)(3), Delaware Code, Title 3, Chapter 12, Pesticides, as the State publishes it at delcode.delaware.gov, read 2026-10-15
  • Operating in a faulty, careless or negligent manner is what under § 1224(c)? 3 Del. C. § 1224(c)(1), Delaware Code, Title 3, Chapter 12, Pesticides, as the State publishes it at delcode.delaware.gov, read 2026-10-15
  • What is the largest civil penalty per offense for a person other than a private applicator? 3 Del. C. § 1225(a)(1), Delaware Code, Title 3, Chapter 12, Pesticides, as the State publishes it at delcode.delaware.gov, read 2026-10-15
  • What is the largest civil penalty per offense for a private applicator? 3 Del. C. § 1225(a)(1), Delaware Code, Title 3, Chapter 12, Pesticides, as the State publishes it at delcode.delaware.gov, read 2026-10-15
  • When may the Secretary issue a warning in place of a civil penalty? 3 Del. C. § 1225(a)(3), Delaware Code, Title 3, Chapter 12, Pesticides, as the State publishes it at delcode.delaware.gov, read 2026-10-15
  • Where, and how soon, may a certified applicator appeal a revocation under § 1222? 3 Del. C. § 1222, Delaware Code, Title 3, Chapter 12, Pesticides, as the State publishes it at delcode.delaware.gov, read 2026-10-15
  • Which courts have concurrent jurisdiction over offenses under the Delaware pesticide chapter? 3 Del. C. § 1224(d), Delaware Code, Title 3, Chapter 12, Pesticides, as the State publishes it at delcode.delaware.gov, read 2026-10-15
  • Who conducts a hearing to suspend or revoke a license, permit or certification under § 1221? 3 Del. C. § 1221, Delaware Code, Title 3, Chapter 12, Pesticides, as the State publishes it at delcode.delaware.gov, read 2026-10-15

How this list was compiled: Our own questions on the Delaware Code, Title 3, Chapter 12, Pesticides, as the State publishes it (https://delcode.delaware.gov/title3/c012/index.html), and on 3 DE Admin. Code 601, Delaware Pesticide Rules and Regulations, as the Registrar of Regulations publishes it (https://regulations.delaware.gov/AdminCode/title3/601; last amended 28 DE Reg. 576, 02/01/25), both read 2026-10-15. Exam facts on the page are from the Delaware Department of Agriculture: its For Applicators page (https://agriculture.delaware.gov/pesticide-management/applicators/), its 2026 Certified Applicator Exam Instructions and Schedule and its printable Pesticide Certification FAQs, read 2026-10-15; the 70 percent passing score is from regulation 8.2.4. Each question names the section its answer was read from and links to it. Licence: Questions, choices and explanations are original work of this site. The statutes and regulations they describe are public law of the State of Delaware.

How it works

This unofficial Delaware pesticide applicator practice test asks 70 questions of our own on 3 Del. C. Chapter 12 and regulation 601. It is not affiliated with the Delaware Department of Agriculture.

Read the full guide

Which exams Delaware gives

The Department's certification sheet has a private applicator pass the core exam, and a commercial or government applicator pass the core exam and category exams.

What this bank covers

The Department's exam instructions end with a reminder to study the Delaware pesticide rules and regulations. This bank practices that law. Federal label and worker protection rules are on the pesticide applicator practice test.

Exam day

Exams are closed book, with up to three hours for the exams requested; the Department supplies pencils and calculators. A mock exam here is 40 questions, our number.

  • Application records are logged immediately or within 24 hours and kept 2 years, as dealer sales records are.
  • A commercial retest waits at least 45 days, a private retest at least 30.

Questions and answers

Is this the real Delaware pesticide applicator exam?

No. It is unofficial practice written for this site from the Delaware Code and regulation 601. The real exams are given by the Delaware Department of Agriculture, and none of their questions are here.

What score passes the Delaware pesticide applicator exam?

70 percent or more of the questions, by regulation 8.2.4 for commercial applicators and 9.3.1 for private applicators.

Where is the Delaware pesticide exam given?

In person at the Delaware State Fairgrounds in Harrington, the Department's 2026 schedule says, with testing at least once every 45 days. Candidates pre-register through the Department's online services at least one week ahead.

How much is the Delaware pesticide applicator exam?

The Department's 2026 instructions list a $30.00 exam fee for commercial applicators, applied toward certification when every scheduled exam is passed. Exam fees are initially waived for private and government applicators.

How long is Delaware pesticide certification good for?

The Department's certification sheet says three years for a private applicator and one year for a commercial or government applicator. Renewal is by retaking the exam or by recertification credits.

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