Refrigeration and Air Conditioning Regulations Flashcards

Under the EPA's leak repair rules, what is the leak rate threshold for comfort cooling appliances containing 50 or more pounds of ozone-depleting refrigerant?

Answer: 10%

Since January 1, 2019, comfort cooling appliances must be repaired when they leak at 10% or more per year.

What leak rate threshold applies to industrial process refrigeration appliances with 50 or more pounds of ozone-depleting refrigerant?

Answer: 30%

Industrial process refrigeration has a 30% annual leak rate threshold.

Once an appliance is found to exceed its leak rate threshold, how many days does the owner normally have to repair the leak?

Answer: 30 days

Owners generally have 30 days to repair leaks once the threshold is exceeded.

An owner decides not to repair a leaking appliance and develops a retrofit or retirement plan instead. How long do they have to complete the retrofit or retirement?

Answer: 1 year

The plan must be created within 30 days, and the retrofit or retirement generally has to be finished within one year.

What must an owner do if an appliance leaks 125% or more of its full charge within a calendar year?

Answer: Submit a report to EPA explaining the leaks and the repair efforts

Owners of appliances that leak 125% or more of their full charge in a year must report to EPA by March 1 of the following year.

After a leak repair is made on an appliance subject to the leak repair rules, which tests are required?

Answer: An initial and a follow-up verification test

Repairs must be confirmed with an initial verification test and a follow-up verification test.

Under the leak repair rules, how often must a commercial refrigeration appliance with 500 or more pounds of refrigerant be leak inspected after it exceeds its threshold?

Answer: Quarterly

Appliances with 500 or more pounds that exceed the threshold must be inspected every quarter until they show four quarters without exceeding it.