Skills Hub
refrigerant-regulations
Refrigerant Handling and Identification
Always tested on the EPA 608
Identify, handle, and transport refrigerants per AHRI Guideline N and 40 CFR Part 82.
About this skill
Proper identification, handling, and transport of refrigerants including cylinder color coding, hydrostatic test dates, pressure-relief devices, and the prohibited cross-contamination between refrigerants.
10 total steps
5 critical steps
Time limit: 10 min
What graders are watching for
- 1AHRI Guideline N color coding: light blue (R-134a), green (R-22), rose (R-410A)
- 2Cylinders must be within the hydrostatic test date
- 3R-22 fittings cannot be used on R-410A equipment
Common mistakes (and how to avoid them)
- !Mixing refrigerants in a cylinder (federal violation)
- !Using out-of-date cylinders
- !Cross-threading fittings (damages both the fitting and the equipment)
Practice this skill step-by-step
The static walkthrough above is the marketing overview. The full step-by-step interactive practice (with critical-step highlighting, per-step "why this matters" rationale, and what graders watch for on each individual step) is unlocked with a subscription.