Pressure release
Pressure release means the emission of materials resulting from the system pressure being greater than the set pressure of the pressure relief device.
Source
40 CFR § 61.241
Scoping language
As used in this subpart, all terms not defined herein shall have the meaning given them in the Act, in subpart A of part 61, or in specific subparts of part 61; and the following terms shall have specific meaning given them: