Now Accepting Updated National Core Manual Pre-Sales and Requests for Modifiable File from PERC!

DEADLINE EXTENDED UNTIL 10/3/25! The Pesticide Educational Resources Collaborative (PERC) is ready to release the 3rd edition of the National Pesticide Applicator Certification Core Manual and Exam! The manual and exam bank are intended for the certification of commercial and private pesticide applicators in the core competencies related to laws and safety. The revision includes the newly required competencies under the 2017 revised Certification of Pesticide Applicators Rule (40 CFR Part 171).

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New Resource: Bilingual Glossary

PERC is pleased to share a new Bilingual Glossary of 149 Terms for Pesticide Certification and Training. Created through the Core Manual Spanish Translation project, this glossary uses a “meaning-for-meaning” approach with synonyms to reflect applicator terminology. It will guide all future PERC translations and broaden access for Spanish-speaking communities.

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Ag Health and Safety Alliance

Immersive Learning for Ag Safety: AHSA Expands Gear Up for Ag™ with PERC Support. 360° Video and Fit Testing Prepare the Next Generation of Agricultural Workers.

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Video Tour of PERC's Website

Did you know that PERC launched a new website in 2023? To help you navigate the new website, we have created a video that explains how to use it. PERC's Kaci Buhl takes us on a five-minute video tour of the site.

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Did You Know? PERC has a Storefront!

Print and Online Manuals, Trainings, and Guides for you and your teams.

PERC's Storefront

About PERC

PERC aims to protect the public and the environment by minimizing the misuse of pesticides, increasing access to high-quality education for applicators, and managing projects in support of safe pesticide use, thereby ensuring the safety of chemicals in the marketplace.

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Worker Protection Standard Compliance Assistance Library

This collection of educational resources help people on farms, orchards, forests, and other agricultural establishments comply with the Worker Protection Standard (WPS). We’re talking FAQs, checklists, employer tools, and more.

Enter Full Library Does it Apply?

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Certification and Training

In order to buy or use the certain pesticides, some applicators must become certified and licensed. We create some of their study manuals and exams. Learn more!

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Agricultural Community-Based Projects

Local nonprofit organizations are funded by PERC to serve farmworkers, agricultural pesticide handlers, their families, and/or their communities by contributing to the safe use of pesticides and/or working safely in areas where pesticides are used.

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