Core: flashcards

All cards

Test structure

25 Core items plus 25 per type. A single type is 50 items; Universal is 100.

Passing score

70 percent, closed book. A mail-in Type I needs 84 percent.

Does it expire?

No. EPA states Section 608 credentials do not expire; no recertification notice exists.

Venting ban scope

Any class I or class II refrigerant and any non-exempt substitute, since 1 Jan 2018.

Cylinder fill limit

80 percent. Liquid expands as it warms; the vapour space absorbs it.

Reclaim vs recycle

Reclaim = reprocess to AHRI 700 purity, verified by chemical analysis. Recycle = field clean-up.

Certificate recordkeeping

Keep a copy at your place of business, until 3 years after you stop working as a technician.