EPA 608 Practice Test Core Question Answers 2026 [Online Free]

As of what date did it become unlawful to release Class 1 and Class II refrigerants to the atmosphere?

R-22 R-134A November 14, 1994 R-12

November 14, 1994

Correct answer: November 14, 1994

Access more questions from this quiz

Continue to EPA 608 Practice Test Core Question Answers 2026 [Online Free] for more practice questions and the full quiz experience.