§464.21. Specialized definitions.
40 C.F.R. § 464.21
For the purpose of this subpart:
Total Toxic Organics— (TTO). TTO is a regulated parameter under PSES (§ 464.25) and PSNS (§ 464.26) for the copper subcategory and is comprised of a discrete list of toxic organic pollutants for each process segment where it is regulated, as follows:
Investment Casting (§ 464.25(e) and § 464.26(e)):
Melting Furnace Scrubber (§ 464.25(f) and § 464.26(f)):
Mold Cooling (§ 464.25(g) and § 464.26(g)):
Notes, amendments, and revision history
Authority
Authority: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307, 308, and 501 of the Clean Water Act (Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977) (the “Act”); 33 U.S.C. 1311, 1314 (b), (c), (e) and (g), 1316 (b) and (c), 1317 (b) and (c), 1318, and 1361; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217.
Source
Source: 50 FR 45247, Oct. 30, 1985, unless otherwise noted.