EPA 609 Refrigerant Recovery & Recycling 2

Question 1

What type of container must recovered refrigerant be stored in?

Accepted Answer

DOT-approved recovery cylinders that are clearly labeled

Answer

Any sealed metal container

Answer

The original refrigerant can

Answer

Plastic containers approved for fuel storage

Question 2

Can R-134a and R-12 be mixed in the same recovery cylinder?

Accepted Answer

No — different refrigerants must NEVER be mixed

Answer

Yes, if the cylinder is large enough

Answer

Yes, if both are under 50 psi

Answer

Yes, if the refrigerant will be immediately reclaimed

Question 3

What must technicians do if they discover that a vehicle's A/C system contains a refrigerant other than what is labeled?

Accepted Answer

Recover it into a separate cylinder for contaminated refrigerant

Answer

Add the labeled refrigerant to top it off

Answer

Vent it since it cannot be recovered

Answer

Mix it with virgin refrigerant to bring it to spec

Question 4

Recovery cylinders must be checked and retired when they reach:

Accepted Answer

Their retest date or show signs of damage/corrosion

Answer

5 years of age regardless of condition

Answer

When they have been used for 100 recovery cycles

Answer

When pressure drops below 10 psi

Question 5

The maximum fill level for refrigerant recovery cylinders is:

Accepted Answer

80% of water capacity by weight

Answer

60% of water capacity by weight

Answer

90% of water capacity by weight

Answer

100% — they are designed to be fully filled

Question 6

Which equipment is required for MVAC refrigerant service under Section 609?

Accepted Answer

Recovery/recycling or recovery-only equipment certified to SAE J2788

Answer

Recovery-only equipment is sufficient

Answer

Only EPA-registered vacuum pumps

Answer

Dedicated government-issued recovery machines