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TradeStarter provides EPA 608 exam preparation and certificates of completion. Official EPA 608 certification must be taken through an EPA-approved certifying organization.
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EPA 608 Core Final Practice Exam
Passing score: 70% · Exam readiness target: 72% · Free preview (10 questions)
Final Practice Exam
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Does refrigerant R-404A contain chlorine (an ozone-depleting element)?
Only above 100 psig
Yes, it contains chlorine
No, it does not contain chlorine
Only when mixed with oil
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