Type III leak repair rules: EPA 608 Practice Questions

Question 1

An office building chiller holds 600 lb of R-123. What leak-rate threshold triggers repair?

Accepted Answer

10%

Answer

20%

Answer

30%

Answer

35%

Question 2

A low-pressure chiller that cools a chemical plant's process holds 900 lb of R-123. What is its leak-rate threshold?

Accepted Answer

30%

Answer

15%

Answer

20%

Answer

10%

Question 3

A new chiller holds 700 lb of R-1233zd(E). Do the 82.157 leak repair requirements apply?

Accepted Answer

No; 82.157 covers only ozone-depleting refrigerants

Answer

Yes, any chiller over 50 lb is covered

Answer

Yes, because it is a low-pressure chiller

Answer

Only if the chiller is used for comfort cooling in an occupied building

Question 4

A comfort cooling R-123 chiller exceeds its threshold. How long does the owner normally have to repair the leaks?

Accepted Answer

30 days

Answer

1 year

Answer

90 days

Answer

10 days

Question 5

After a successful initial verification test on a repaired R-123 chiller, when is the follow-up verification test due?

Accepted Answer

Within 10 days

Answer

Within 30 days

Answer

Within 90 days

Answer

Within a year

Question 6

The owner of a leaking R-123 chiller chooses to replace it instead of repairing it. What is required?

Accepted Answer

A plan within 30 days, done within a year

Answer

Nothing, as long as the replacement chiller is ordered before the next cooling season

Answer

A permit from the state

Answer

Venting the remaining charge before removal

Question 7

An R-123 chiller lost 130% of its full charge last calendar year. What report is required?

Accepted Answer

A chronic leaker report to EPA by March 1

Answer

A report to the state fire marshal within 30 days of the end of the year

Answer

A report to the refrigerant supplier

Answer

No report; only repairs

Question 8

How long must the owner of a covered chiller keep leak inspection and repair records?

Accepted Answer

At least 3 years

Answer

1 year

Answer

5 years

Answer

Until it is sold

Question 9

A chiller's purge unit sends its exhaust to a destruction device rated at 99% efficiency. How is that purged refrigerant treated in the leak-rate calculation?

Accepted Answer

It may be excluded, with records and EPA notice

Answer

It counts double

Answer

It is reported separately as a chronic leak in the March 1 report

Answer

It must be added to the leak rate

Question 10

A leaking R-123 chiller is evacuated to atmospheric pressure and shut down for the winter. What is this called, and how does it affect repair deadlines?

Accepted Answer

Mothballing; deadlines pause until restart

Answer

Retiring; no repair is ever needed

Answer

Seasonal variance; deadlines double while the chiller is off

Answer

Purging; deadlines end

Type III leak repair rules: EPA 608 Practice Questions

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