All examsEPA 608Foundation path
View coverage THE RESOURCE LIBRARY
EPA 608: Knowledge Library & Illustrated Guides
Illustrated teaching guides, official reference links, and a transparent source record.
ORIGINAL GUIDESlope original · 8 min read
A decision map for certification and refrigerant ownership
Keep appliance scope, work activity and ownership as three separate decisions.
Read the illustrated guide
ORIGINAL GUIDESlope original · 8 min read
Read evacuation tables without crossing rule boundaries
Use category, charge, equipment date and pressure reference in order.
Read the illustrated guideOriginal guides explain selected concepts using retained source references, new examples and original diagrams. They are teaching resources, not video transcripts or official exam papers.