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Question 1

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Under the Colorado Pesticide Applicators' Act (CRS 35-10), which agency administers pesticide applicator licensing in Colorado?

Colorado Department of Public Health and Environment

Colorado Department of Agriculture (CDA)

Colorado State University Extension

U.S. Environmental Protection Agency Region 8

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Sample CO Pesticide Applicator Practice Questions

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1Under the Colorado Pesticide Applicators' Act (CRS 35-10), which agency administers pesticide applicator licensing in Colorado?

A.Colorado Department of Public Health and Environment

B.Colorado Department of Agriculture (CDA)

C.Colorado State University Extension

D.U.S. Environmental Protection Agency Region 8

Explanation: The Colorado Department of Agriculture (CDA) administers the Pesticide Applicators' Act (CRS Title 35, Article 10). CDA is responsible for licensing, enforcement, and regulation of pesticide applicators in the state, working in cooperation with the EPA under FIFRA.

2What passing score is required on Colorado pesticide applicator certification exams?

A.60% or higher

B.70% or higher

C.75% or higher

D.80% or higher

Explanation: Colorado requires a passing score of 70% or higher on all pesticide applicator certification exams, including the General Core exam and category-specific exams, as administered through CDA-approved proctored testing sites.

3In Colorado, what is the difference between a Qualified Supervisor (QS) and a Certified Operator (CO)?

A.A QS can only apply general use pesticides; a CO can apply restricted use pesticides

B.A QS makes application decisions and supervises others; a CO applies pesticides under supervision

C.A QS works for the government; a CO works in the private sector

D.There is no difference; the terms are interchangeable

Explanation: In Colorado, a Qualified Supervisor (QS) is responsible for pesticide application decisions, supervision, and training of employees. A Certified Operator (CO) actively applies pesticides under the supervision of a QS. Both must pass the General Core exam plus applicable category exams.

4How long must commercial pesticide applicators in Colorado retain application records under CRS 35-10-111?

A.One year

B.Two years

C.Three years

D.Five years

Explanation: Under CRS 35-10-111, commercial applicators (QS, CO, and limited commercial) must retain pesticide application records for three years after the date of application. Private applicators have a two-year retention period.

5What is the annual licensing fee for a Qualified Supervisor or Certified Operator in Colorado?

A.$50

B.$75

C.$100

D.$150

Explanation: The fee to license or renew a Qualified Supervisor (QS) or Certified Operator (CO) license in Colorado is $100. The private applicator exam fee is $40 with an additional $75 license application fee.

6As of January 1, 2024, how must Colorado pesticide applicator exams be administered?

A.At any location using an honor system

B.At approved proctored examination sites

C.Only at CDA headquarters in Broomfield

D.Through self-administered online tests

Explanation: As of January 1, 2024, all Colorado pesticide applicator exams must be taken at approved proctored examination sites per federal requirements. CDA partners with Metro Institute and Colorado State University Extension to provide secure proctored examinations.

7Under the Colorado Pesticide Applicators' Act, what penalties can result from applying pesticides without a valid license after February 1st?

A.Verbal warning only

B.License denial and civil penalties under CRS 35-10-117

C.Mandatory community service

D.Automatic license suspension for 30 days

Explanation: Under CRS 35-10-117, operating without a valid license (including failing to renew by February 1st and continuing to advertise or apply pesticides) constitutes a violation of the Pesticide Applicators' Act, subjecting the applicator to license denial and civil penalties.

8What is the private applicator record retention period in Colorado?

A.One year

B.Two years

C.Three years

D.Five years

Explanation: Under CRS 35-10-111, private applicators must retain their pesticide application records for two years after the date of application. This is shorter than the three-year requirement for commercial, limited commercial, and public applicators.

9Which federal law establishes the framework for pesticide regulation that Colorado enforces at the state level?

A.Clean Water Act (CWA)

B.Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA)

C.Toxic Substances Control Act (TSCA)

D.Resource Conservation and Recovery Act (RCRA)

Explanation: FIFRA (Federal Insecticide, Fungicide, and Rodenticide Act) is the primary federal law governing pesticide regulation. Colorado enforces FIFRA at the state level through the Pesticide Applicators' Act (CRS 35-10), with the CDA acting as the state lead agency under EPA cooperative agreement.

10What does the signal word 'DANGER' on a pesticide label indicate?

A.The product is slightly toxic

B.The product is moderately toxic

C.The product is highly toxic (Toxicity Category I)

D.The product is a restricted use pesticide

Explanation: The signal word 'DANGER' indicates Toxicity Category I, the highest toxicity level. Products with 'DANGER' may also include 'POISON' with a skull and crossbones symbol. 'WARNING' indicates Category II (moderate), and 'CAUTION' indicates Category III or IV (slight to practically non-toxic).

About the CO Pesticide Applicator Exam

The Colorado Pesticide Applicator certification exam covers state laws under CRS 35-10, federal FIFRA regulations, pesticide safety and PPE, label compliance, environmental protection, and application methods. Required for Qualified Supervisors, Certified Operators, and Private Applicators.

Questions

100 scored questions

Time Limit

2 hours

Passing Score

70%

Exam Fee

$40-$100 (Colorado Department of Agriculture (CDA))

CO Pesticide Applicator Exam Content Outline

25%

State Laws & Regulations

Colorado Pesticide Applicators' Act (CRS 35-10), CDA licensing, recordkeeping, penalties

20%

Pesticide Safety & PPE

Routes of exposure, PPE selection, toxicity, WPS, emergency response

20%

Label Compliance

Signal words, directions for use, REI, PHI, restricted use designations

20%

Environmental Protection

Groundwater protection, drift management, IPM, endangered species, storage/disposal

15%

Application Methods

Calibration calculations, nozzle selection, formulation types, equipment maintenance

How to Pass the CO Pesticide Applicator Exam

What You Need to Know

Passing score: 70%
Exam length: 100 questions
Time limit: 2 hours
Exam fee: $40-$100

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

Frequently Asked Questions

What types of Colorado pesticide applicator licenses are there?

Colorado offers Qualified Supervisor (QS), Certified Operator (CO), Limited Commercial, Public, and Private Applicator licenses. All require passing the General Core exam plus category-specific exams.

Where can I take the Colorado pesticide applicator exam?

As of January 2024, all exams must be taken at approved proctored examination sites. CDA partners with Metro Institute and Colorado State University Extension for proctored testing.

How long are Colorado pesticide application records kept?

Commercial applicators must retain records for 3 years; private applicators must retain records for 2 years under CRS 35-10-111.