- What the TX-PEST Certification Actually Is
- Who Administers and Delivers the Exam
- Eligibility and Registration Mechanics
- Exam Format, Timing, and Scoring
- The 22 Domains You Must Master
- Study Materials That Match the Exam
- A Domain-Focused Study Timeline
- Recertification and Keeping Your License
- Who Hires TX-PEST Certified Applicators
- Frequently Asked Questions
- The Agricultural General Standards exam is closed-book, 100 questions, 2 hours, and requires 70% to pass.
- Applicants must get a TDA eligibility letter and account number before scheduling with Metro Institute.
- The exam costs $64 per attempt; the separate commercial applicator license fee is $200.
- Scores stay valid for 12 months, and you still need at least one category exam to get licensed.
What the TX-PEST Certification Actually Is
The TX-PEST Certification refers to the Texas Commercial Pesticide Applicator General Exam, formally known as the Agricultural General Standards exam. It's the closed-book credentialing exam that establishes baseline competency for anyone applying pesticides commercially in Texas - covering everything from label reading and toxicology to calibration and record keeping. It is not a specialty exam; it's the general standards test every commercial applicant must clear alongside at least one category-specific exam tied to the type of pest control work being performed.
If you're still sorting out exactly what this credential covers and how it differs from category endorsements, the TX-PEST Exam Domains Guide breaks down all 22 content areas in detail, and TX-PEST Requirements walks through the full eligibility picture before you even think about scheduling a seat.
Who Administers and Delivers the Exam
The Texas Department of Agriculture (TDA) owns the licensing process, while the actual computer-based, in-person testing sessions are delivered by Metro Institute. That split matters practically: TDA handles your paperwork, license fee, and eligibility approval, while Metro Institute handles the seat, the proctoring, and the on-screen exam itself. Understanding this two-step chain is the first thing candidates misjudge - you cannot simply walk into a testing center and register cold.
The Administrative Chain
Every applicant moves through the same sequence before sitting for the exam.
- Apply to TDA and pay the $200 commercial applicator license fee
- Receive a TDA eligibility letter along with an account number
- Use that eligibility letter to schedule a computer-based session with Metro Institute
- Sit for the closed-book Agricultural General Standards exam ($64 per attempt)
Eligibility and Registration Mechanics
A lot of candidates assume the exam fee is the only cost, but licensure requires both the $200 commercial applicator license fee paid to TDA and the $64 Agricultural General Standards exam fee paid per attempt. These are separate transactions serving separate purposes: the license fee funds your eligibility to test at all, while the exam fee covers each individual sitting at Metro Institute. If you fail and need to retake, you pay the $64 exam fee again - the license fee isn't repeated for every attempt.
You also need to remember that passing the general exam alone does not make you licensed. Texas requires passing at least one category exam in addition to the general standards test before a commercial applicator license is issued. For a full cost breakdown across both fees and category add-ons, see TX-PEST Certification Cost, and for a complete eligibility checklist before you apply, review TX-PEST Requirements.
Key Takeaway
Don't schedule with Metro Institute until you actually have your TDA eligibility letter and account number in hand - trying to book without it is the most common early-stage mistake.
Exam Format, Timing, and Scoring
The Agricultural General Standards exam is closed-book: no notes, no manuals, no phone reference. You get 100 questions and 2 hours, and you need 70% correct to pass. A four-function calculator and scratch paper are provided at the testing center, so you don't need to bring your own - and shouldn't rely on memorized formulas that assume a scientific calculator, since you won't have one.
Results are delivered immediately after you finish, which means you walk out already knowing whether you passed. Individual exam scores remain valid for 12 months, so if you pass the general exam but delay your category exam, keep that 12-month clock in mind. For the exact math behind the passing threshold and how the 100 questions translate into a pass/fail line, see TX-PEST Passing Score. If you're trying to gauge how tough this actually feels in practice, How Hard Is the TX-PEST Exam? covers the difficulty picture in more depth.
| Item | Amount / Detail | Paid To |
|---|---|---|
| Commercial Applicator License Fee | $200 | Texas Department of Agriculture |
| Agricultural General Standards Exam | $64 per attempt | Metro Institute (testing) |
| Passing Score | 70% of 100 questions | N/A |
| Time Allowed | 2 hours | N/A |
| Score Validity | 12 months | N/A |
The 22 Domains You Must Master
The general standards exam draws from 22 distinct content domains, ranging from legal and regulatory topics to hands-on application mechanics. Rather than treating this as one undifferentiated pool of "pesticide knowledge," it helps to group them mentally into a few clusters: regulatory/legal, health and safety, application science, and equipment/records.
Regulatory and Legal Cluster
These domains test whether you understand the framework you're operating inside, not just the chemistry.
- Domain 1: Pesticide Applicator Certification and Licensing
- Domain 2: State Laws and Regulations
- Domain 3: Federal Pesticide Laws
- Domain 5: Residue, Tolerance, and Registration
- Domain 22: Record Keeping and Liability
Health, Safety, and Environmental Cluster
Expect scenario-based questions here rather than pure recall.
- Domain 4: Toxicity of Pesticides
- Domain 6: Ecology and Environmental Protection
- Domain 7: General Safety Precautions
- Domain 8: Protective Equipment and Personal Safety
- Domain 9: Pesticide Poisoning and First Aid
Application Science and Equipment Cluster
This cluster is heavy on math and label interpretation, and it's where practice questions pay off most.
- Domain 12: Types of Pesticides
- Domain 13: The Label
- Domain 14: Formulations
- Domain 15: Filling and Mixing Practices
- Domain 16: Calculations for Mixing Pesticides
- Domain 17: Equipment
- Domain 18: Calibration
- Domain 19: Weather-Wise Application
The remaining domains - Domain 10 (Integrated Pest Management), Domain 11 (Pests), Domain 20 (Disposal), and Domain 21 (Storage) - round out the exam with practical field knowledge that overlaps naturally with the safety and application clusters above. For an item-by-item breakdown of what's tested inside each of the 22 domains, the TX-PEST Exam Domains Guide is the deeper resource to work through before test day.
Study Materials That Match the Exam
The exam is built directly from two Texas A&M AgriLife manuals: the General manual (AES-5073) and the Laws and Regulations manual (AES-5056). These aren't optional supplements - they're the actual source material the 100 questions are pulled from, so studying generic pest control content that isn't tied to these manuals wastes time. AES-5073 maps most closely to the application science, safety, and pest biology domains, while AES-5056 covers the legal and regulatory domains almost entirely.
Once you've read through both manuals, running practice questions against the specific 22 domains helps you find weak spots faster than re-reading. A structured TX-PEST Study Guide can help sequence your review, and working through timed questions on our practice test platform lets you simulate the 2-hour, 100-question format before you're sitting in front of Metro Institute's actual proctored screen.
A Domain-Focused Study Timeline
Rather than studying domains in the order they're listed, it's more efficient to sequence them by how conceptually dependent they are on each other - legal foundations first, then safety, then the math-heavy application mechanics closest to test day.
Legal Foundations
- Read AES-5056 fully; cover Domains 1, 2, 3, 5, and 22
- Note differences between state and federal requirements
Safety and Environmental Systems
- Work through Domains 4, 6, 7, 8, and 9 in AES-5073
- Memorize first-aid and PPE decision points, not just definitions
Application Science
- Drill Domains 12-19, especially calculations and calibration math
- Practice with a basic four-function calculator only
Full Review and Timed Practice
- Cover remaining Domains 10, 11, 20, and 21
- Run full 100-question, 2-hour timed practice sessions
This isn't a generic weekly template pulled from unrelated study advice - it's sequenced specifically around which of the 22 TX-PEST domains build on each other and which are heaviest in raw calculation practice.
Recertification and Keeping Your License
Passing the exam and getting licensed isn't the finish line. Commercial and noncommercial applicators must recertify annually with 5 CEUs. Of those, at least one credit must come from each of two areas selected from: laws and regulations, integrated pest management, and drift minimization. That structure directly echoes several of the exam domains - Domain 2, Domain 3, and Domain 10 in particular - so the same knowledge base you built for the exam continues paying off every recertification cycle.
Since your individual exam scores are valid for 12 months, timing between passing the general exam and completing your category exam matters. Don't let that window lapse before finishing the licensing process.
Who Hires TX-PEST Certified Applicators
Employers hiring for this credential span structural pest control companies, agricultural spraying operations, lawn and ornamental service providers, and municipal or utility vegetation management crews - anywhere pesticide application happens as a commercial service in Texas. Because the general exam plus at least one category exam is required for licensure, employers frequently look for candidates who already hold or are actively pursuing both. If you're evaluating whether this credential is worth pursuing relative to the job market, TX-PEST Jobs and Is the TX-PEST Certification Worth It? both dig into that question, and TX-PEST Salary Guide covers the earnings side.
For candidates weighing formal coursework before self-study, TX-PEST Training outlines available preparation paths, and running scenario questions on our practice exam site ahead of scheduling with Metro Institute is one of the most direct ways to confirm you're ready across all 22 domains before spending the $64 exam fee.
Frequently Asked Questions
The Agricultural General Standards exam costs $64 per attempt, separate from the $200 commercial applicator license fee paid to TDA.
You need 70% correct out of 100 questions, completed within the 2-hour time limit.
No - a four-function calculator and scratch paper are provided at the testing center for the closed-book exam.
Individual exam scores remain valid for 12 months, so plan your category exam within that window.
Yes - commercial and noncommercial applicators recertify annually with 5 CEUs, including one credit each from two of three specified topic areas.