EPA 609 Refrigerant Recovery & Recycling

Question 1

Before opening any MVAC system for repairs, what must a technician do first?

Accepted Answer

Recover all refrigerant using approved equipment

Answer

Check the system pressure

Answer

Add dye to locate leaks

Answer

Replace the cabin air filter

Question 2

Recovery equipment for MVAC systems must be certified to which standard?

Accepted Answer

SAE J2788

Answer

SAE J2099

Answer

UL 1973

Answer

ANSI/ASHRAE 15

Question 3

What is the difference between 'recovery' and 'recycling' of refrigerant?

Accepted Answer

Recovery removes refrigerant from the system; recycling cleans it on-site for reuse

Answer

They are the same process

Answer

Recycling is done at the factory; recovery is done in the field

Answer

Recovery is illegal; only recycling is permitted

Question 4

What is 'reclaimed' refrigerant?

Accepted Answer

Refrigerant sent to a certified facility and processed to meet AHRI 700 purity standards

Answer

Refrigerant filtered at the shop for immediate reuse

Answer

Refrigerant recovered from scrapped vehicles

Answer

Any used refrigerant added back to a system

Question 5

Recovered refrigerant that is contaminated with moisture or other refrigerants should be:

Accepted Answer

Sent to a certified reclaimer for processing

Answer

Vented safely outside the shop

Answer

Mixed with new refrigerant to dilute contamination

Answer

Poured down the shop floor drain

Question 6

According to EPA Section 609, recovery equipment must remove what percentage of refrigerant from an MVAC system?

Accepted Answer

At least 90%

Answer

At least 80%

Answer

At least 95%

Answer

100% — no refrigerant may remain