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RefrigerantPrep is independent study information. It is not affiliated with, endorsed by, or sponsored by the U.S. Environmental Protection Agency or any EPA-approved certifying organization. Regulatory facts are drawn from 40 CFR Part 82 Subpart F as published; regulations and program details change, so confirm current requirements with your certifying organization before testing. No exam content is reproduced. Researched from published sources, not professional advice.
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