Take a free practice quiz or point your phone at any EPA 608 question for an instant, explained answer — refrigerant recovery and Clean Air Act rules, without the guesswork.
Try it freePoint your phone at the question — on a screen, a printout, anywhere.
Cambo reads the question and answers it in a few seconds.
Read the reasoning behind the answer so it actually sticks.
Looking for the official training, not practice questions? epa.gov — Section 608 Technician Certification ↗
Taking it right now? Snap a photo of any question you get stuck on — get the answer in seconds.
Try it freeEPA 608 questions hinge on specific numeric thresholds and procedural rules — recovery pressure levels, leak-rate limits, refrigerant-handling requirements — that are easy to mix up between Type I, II, and III systems. Cambo reads the exact question and explains which rule or number applies, not just which letter to bubble in.
The Core section and each Type section (I, II, III) have 25 questions each; Universal certification requires passing Core plus all three Type sections, 100 questions in total.
70% per section (at least 18 of 25 correct) in a proctored setting; the Core and Type I sections can also be taken open-book and non-proctored, which requires 84% to pass.
Type I (small appliances), Type II (high-pressure appliances), Type III (low-pressure appliances), and Universal, which covers all three and requires passing Core plus all three Type sections.
No. Cambo is an independent study tool and isn't produced, endorsed, or affiliated with the U.S. Environmental Protection Agency (EPA).
No formal education or work experience requirements — anyone can register and test through an EPA-approved certifying organization with a valid government-issued photo ID.
No — once earned, Section 608 Technician Certification doesn't expire and has no renewal requirement or fee, regardless of which type you hold.