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Frequently Asked Questions
How accurate are these practice questions?
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Our practice questions are designed by EPA experts to closely match the format, difficulty, and content of the actual EPA 608 certification exam. They cover all the key topics including refrigerant handling, ozone depletion, and Clean Air Act regulations.
Is my test history saved securely?
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Yes, your test history is stored locally on your device using browser localStorage. We don't collect or store any personal data on our servers. Your privacy is completely protected, and you can clear your history at any time.
Can I use this on my mobile device?
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Absolutely! Our practice test is fully responsive and works perfectly on smartphones, tablets, and desktop computers. You can study anywhere, anytime.
Do I need to create an account?
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No account required! You can start practicing immediately. Your progress is automatically tracked locally on your device without any registration.
What topics are covered in the practice test?
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The practice test covers all major EPA 608 certification topics including: refrigerant recovery and recycling, ozone depletion, Clean Air Act regulations, equipment types, certification requirements, and proper handling procedures.