常见问题
How many EPA 608 practice questions are here?+
240 original practice questions across all four sections — Core, Type I (small appliances), Type II (high-pressure), and Type III (low-pressure) — plus recovery/recycling, in English and Español, with a 40 CFR Part 82 or Clean Air Act §608 citation on most answers.
Is this EPA 608 practice test free?+
Yes — completely free, no signup. Unlimited rounds, a full timed mock exam, and explanations included. The official EPA 608 certification exam (about $20-$100) is taken separately through an EPA-approved organization.
Are these real EPA 608 exam questions?+
No. All 240 questions are original prose written from the public-domain Clean Air Act Section 608 and 40 CFR Part 82. We never copy from any prep provider or the real exam.
How is the EPA 608 exam structured and what's the passing score?+
It has four sections — Core plus Type I, II, and III — 25 questions each, and you need 70% (about 18 of 25) to pass each. Passing Core plus all three types earns Universal certification. Core and the Type sections are proctored.
Does the EPA 608 certification expire?+
No — EPA Section 608 technician certification is valid for life and never expires.
What languages is the EPA 608 exam available in?+
Many EPA-approved organizations offer it in English and Spanish. PrepPass practice is available in English and Español.