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PrepPass Editorial Team · Verified against Clean Air Act §608 / 40 CFR Part 82 · How we review
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EPA 608 Certification Exam Prep
Free practice tests for the EPA Section 608 refrigerant technician certification — Core, Type I, II, and III. Required to buy or handle refrigerants. In English and Español.
Registration Guide
Know exactly how to register, request a translator, and what to bring on exam day.
Study Materials
Topic chapters covering every area of the exam, in plain English, Chinese, Spanish, or Vietnamese.
Practice Tests
Daily questions + weekly full mock exams. Track your weak spots and improve fast.
Try a sample question
✨ Sample question
Section 608 of the Clean Air Act primarily regulates which activity?
Free forever · English · Español · more languages coming