What protective equipment is most important against liquid refrigerant spray?

Safety · EPA 608 Type II. The correct answer, and the reasoning behind it.

Hermetic compressors under vacuum and other high-pressure hazards.

The question

A technician is recovering liquid R-22 from a 250-pound system. What protective equipment is most important against liquid refrigerant spray?

  • Hearing protection
  • A hard hat
  • Steel-toe boots and a hard hat
  • Safety glasses and glovesCorrect answer

Why “Safety glasses and gloves” is correct

Liquid refrigerant boils off at very low temperatures when released and can freeze skin and eyes on contact. Safety glasses and gloves protect against frostbite from a hose or fitting that sprays.

Source: EPA: Test Topics

Why the other answers are wrong

  • Hearing protection — Hearing protection does not guard against liquid refrigerant contact.
  • A hard hat — A hard hat does not protect eyes or hands from liquid refrigerant.
  • Steel-toe boots and a hard hat — Boots do not protect eyes or hands.

Practice more of this

More EPA 608 Type II practice questions, or see every EPA 608 practice test.

Unofficial, not affiliated with the EPA or any EPA-approved certifying organization. Questions are original practice written from public EPA material, not real exam questions.