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Treated lumber

This commercial category is for applicators who treat wood products to prevent decay.

Exam Information

Wood Treatment Exam

  • 50 questions
  • Cost: $75

Testing for this permit can be completed at the Alabama Department of Agriculture and Industries (ADAI) in Montgomery.

There is also a computer-based testing format that is available on a weekly basis at eight testing sites across Alabama. The cost for the online exam is $125 per exam. To sign up for the online exam, visit apply.adaitesting.com. Once approved, you will receive an approval email from the Alabama Department of Agriculture and Industries.

Required Study Materials

Alabama Extension


Requirements and Forms

Alabama Extension


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