EPA 609 Refrigerant Regulations & Compliance 3

Question 1

Which global agreement first established phase-out schedules for ozone-depleting refrigerants?

Accepted Answer

The Montreal Protocol

Answer

The Kyoto Protocol

Answer

The Paris Agreement

Answer

The Geneva Convention

Question 2

R-1234yf is increasingly used in new MVAC systems primarily because of its:

Accepted Answer

Very low global warming potential (GWP)

Answer

Lower cost compared to R-134a

Answer

Better cooling efficiency in extreme heat

Answer

Compatibility with older R-12 systems

Question 3

What is the ozone depletion potential (ODP) of R-134a?

Accepted Answer

0.0

Answer

1.0 (same as R-12)

Answer

0.5

Answer

2.5

Question 4

Technicians are required to keep records of refrigerant purchases for how long under Section 609?

Accepted Answer

3 years

Answer

6 months

Answer

1 year

Answer

Records are not required

Question 5

Which of the following activities is LEGAL under EPA Section 609?

Accepted Answer

Recovering refrigerant before opening the system for repairs

Answer

Venting R-134a while repairing a leaking hose

Answer

Adding refrigerant to a system without checking for leaks

Answer

Mixing R-12 and R-134a in the same system

Question 6

Retrofit of an R-12 MVAC system to use R-134a must use refrigerant that has been:

Accepted Answer

Approved by the EPA's SNAP program

Answer

Mixed with mineral oil for compatibility

Answer

Blended with CO2 to reduce pressure

Answer

Pre-charged from the original vehicle manufacturer