40 C.F.R. § 413.21
Specialized definitions.
Cite as 40 C.F.R. § 413.21 (2026)
For the purpose of this subpart: (a) The term sq m (“sq ft”) shall mean the area plated expressed in square meters (square feet). (b) The term operation shall mean any step in the electroplating process in which a metal is electrodeposited on a basis material and which is followed by a rinse: This includes the related operations of alkaline cleaning, acid pickle, stripping, and coloring when each operation is followed by a rinse.