Candidate method
Candidate method means a method for measuring the concentration of an air pollutant in the ambient air for which an application for a Federal reference method determination or a Federal equivalent method determination is submitted in accordance with 53.4, or a method tested at the initiative of the Administrator in accordance with 53.7.
Source
40 CFR § 53.1
Scoping language
Terms used but not defined in this part shall have the meaning given them by the Act.