A 700-pound R-11 chiller cools reactors at a pharmaceutical plant. Under 40 CFR Part 82, what is its leak rate?
Leak repair requirements · EPA 608 Type III. The correct answer, and the reasoning behind it.
Allowable annual leak rates for low-pressure appliances.
The question
A 700-pound R-11 chiller cools reactors at a pharmaceutical plant. Under 40 CFR Part 82, what is its leak rate?
- 10 percent
- 30 percentCorrect answer
- 20 percent
- 125 percent
Why “30 percent” is correct
Equipment directly linked to industrial processes, such as chemical and pharmaceutical manufacturing, is industrial process refrigeration. Its leak rate under 40 CFR 82.157(c)(2)(ii) is 30 percent.
Source: 40 CFR 82.157(c); EPA: Leak Repair Requirements
Why the other answers are wrong
- 10 percent — 10 percent is the comfort cooling rate.
- 20 percent — 20 percent is the commercial refrigeration rate.
- 125 percent — 125 percent is the chronic leaker reporting threshold, not a repair trigger.
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Unofficial, not affiliated with the EPA or any EPA-approved certifying organization. Questions are original practice written from public EPA material, not real exam questions.