40 C.F.R. § 432.21
Special definitions.
Cite as 40 C.F.R. § 432.21 (2026)
For the purpose of this subpart: Complex slaughterhouse means a slaughterhouse that provides extensive processing of the by-products of meat slaughtering. A complex slaughterhouse would usually include at least three processing operations such as rendering, paunch and viscera handling, or processing of blood, hide or hair.