What trigger leak rate applies to it under 40 CFR Part 82?
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
A chemical plant's process cooling system holds 600 pounds of R-22. What trigger leak rate applies to it under 40 CFR Part 82?
- 10 percent
- 20 percent
- 35 percent
- 30 percentCorrect answer
Why “30 percent” is correct
Industrial process refrigeration, the complex custom systems tied directly to chemical, pharmaceutical, petrochemical and manufacturing processes, has a 30 percent trigger rate under 82.157(c).
Source: 40 CFR 82.157(c); 40 CFR 82.152
Why the other answers are wrong
- 10 percent — 10 percent is for comfort cooling and other appliances.
- 20 percent — 20 percent is for commercial refrigeration such as supermarkets.
- 35 percent — 35 percent was the old pre-2019 threshold.
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