DLA
Dry limestone adsorber (DLA) means an APCD that includes a limestone storage bin, a reaction chamber that is essentially a packed tower filled with limestone, and may or may not include a peeling drum that mechanically scrapes reacted limestone to regenerate the stone for reuse.
Source
40 CFR § 63.8515
Scoping language
Terms used in this subpart are defined in the Clean Air Act, in 63.2, and in this section as follows: