Luminary Exam Guides — EPA Section 608 certification preparation

Luminary Exam Guides is an educational publishing brand focused on certification preparation. Its current retail title is EPA 608 Universal: Study Guide + Activity Workbook, listed in paperback and eBook formats.

Official cover of EPA 608 Universal: Study Guide + Activity Workbook by Luminary Exam Guides

The listings describe 12 chapters covering Core and Types I–III, 12 word searches with 120 vocabulary terms, and 100 original practice questions with answer keys and explanations.

First-edition scope: The Amazon listing states that this edition does not include dedicated A2L/A3 refrigerant review and is not represented as aligned with the revised 2026 examination. Retail price and availability may change. This is an independent resource, not an EPA-endorsed product or a guarantee of exam results.