Family Emission Limit
Family Emission Limit (FEL) means an emission level that is declared by the manufacturer to serve in lieu of an emission standard for certification and for the averaging, banking, and trading program. A FEL must be expressed to the same number of decimal places as the applicable emission standard.
Source
40 CFR § 91.3
Scoping language
The following definitions apply to this part 91. All terms not defined herein have the meaning given them in the Act.