608Pass
Free DiagnosticPricing
Free Diagnostic
2/8

2 of 8 domains cleared

~225 min remaining

Your Study Plan

Select a domain from the sidebar to start studying.

D1Environmental Regulations
90%Mastered ✓
D2Legal & Penalties
30%Critical gap
D3Refrigerant Types
60%Needs review
D4AIM Act & A2L
55%Needs review
D5Recovery & Recycling
65%Needs review
D6Leak Rate Rules
20%Critical gap
D7Type I Appliances
85%Mastered ✓
D8High/Low Pressure
25%Critical gap
608Pass

608Pass is an independent exam preparation tool. Not affiliated with the US EPA.

Resources

  • Free Diagnostic
  • Study Dashboard
  • Mock Exam

Company

  • Pricing
  • About & Contact
  • Privacy Policy
  • Terms of Service
  • Refund Policy

© 2026 608Pass. All rights reserved.