For the purpose of this subpart;
(a) The term sq m (“sq ft”) shall mean the area processed expressed in square meters (square feet).
(b) The term operation shall mean any step in the coating process in which a basis material surface is acted upon by a process solution and which is followed by a rinse; plus the related operations of alkaline cleaning, acid pickle, and sealing, when each operation is followed by a rinse.
authority: Secs. 301, 304(g), 307, 308, 309, 402, 405, 501(a), Clean Water Act, as amended, (
33 U.S.C. 1311,
1314,
1317,
1318,
1319,
1322,
1325
source: 46 FR 9467, Jan. 28, 1981, unless otherwise noted.
cite as: 40 CFR 413.51