Internal floating roof

Internal floating roof means a cover that rests or floats on the liquid surface (but not necessarily in complete contact with it) inside a storage vessel or waste management unit that has a permanently affixed roof.

Source

40 CFR § 63.111

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Scoping language

All terms used in this subpart shall have the meaning given them in the Act, in subpart F of this part, and in this section, as follows.

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