Under 40 CFR Part 82, above what annual leak rate must leaks be repaired?

Leak repair requirements · EPA 608 Type II. The correct answer, and the reasoning behind it.

Leak-rate thresholds, repair deadlines, extensions and records.

The question

An office building's comfort-cooling chiller holds 150 pounds of R-22. Under 40 CFR Part 82, above what annual leak rate must leaks be repaired?

• A10 percentCorrect answer
• B15 percent
• C20 percent
• D30 percent

Why “10 percent” is correct

Comfort cooling appliances, and any other appliance with 50 or more pounds that is not commercial or industrial process refrigeration, have a 10 percent trigger rate. Chillers used to cool occupied buildings are named as comfort cooling in the definition.

Source: 40 CFR 82.157(c); 40 CFR 82.152

Why the other answers are wrong

• 15 percent — No category has a 15 percent rate.
• 20 percent — 20 percent is the commercial refrigeration rate.
• 30 percent — 30 percent is the industrial process refrigeration rate.

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