Floating roof
Floating roof means a pontoon-type or double-deck type cover that rests upon and is supported by the liquid managed in a separator.
Source
40 CFR § 63.1041
Scoping language
All terms used in this subpart shall have the meaning given to them in the Act and in this section. If a term is defined in both this section and in another subpart that references the use of this subpart, then the definition in this subpart shall take precedence when implementing this subpart.