Title 40

PART 421 SUBPART L

Subpart L - Secondary Silver Subcategory Source:49 FR 8821, Mar. 8, 1984, unless otherwise noted.

• Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307 (b) and (c), 308 and 501 of the Clean Water Act (the Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977) and the Water Quality Act of 1987 (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; 101 Stat. 7, Pub. L. 100-4.
• Source: 49 FR 8790, Mar. 8, 1984, unless otherwise noted.

40:31.0.1.1.21.12.5.1	SECTION 421.120	421.120 Applicability: Description of the secondary silver subcategory.
40:31.0.1.1.21.12.5.2	SECTION 421.121	421.121 Specialized definitions.
40:31.0.1.1.21.12.5.3	SECTION 421.122	421.122 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
40:31.0.1.1.21.12.5.4	SECTION 421.123	421.123 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
40:31.0.1.1.21.12.5.5	SECTION 421.124	421.124 Standards of performance for new sources.
40:31.0.1.1.21.12.5.6	SECTION 421.125	421.125 Pretreatment standards for existing sources.
40:31.0.1.1.21.12.5.7	SECTION 421.126	421.126 Pretreatment standards for new sources.
40:31.0.1.1.21.12.5.8	SECTION 421.127	421.127 [Reserved]

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