Title 40

PART 421 SUBPART U

Subpart U - Primary Nickel and Cobalt Subcategory Source:50 FR 38359, Sept. 20, 1985, 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.

40:31.0.1.1.21.21.5.1	SECTION 421.230	421.230 Applicability: Description of the primary nickel and cobalt subcategory.
40:31.0.1.1.21.21.5.2	SECTION 421.231	421.231 Specialized definitions.
40:31.0.1.1.21.21.5.3	SECTION 421.232	421.232 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
40:31.0.1.1.21.21.5.4	SECTION 421.233	421.233 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
40:31.0.1.1.21.21.5.5	SECTION 421.234	421.234 Standards of performance for new sources.
40:31.0.1.1.21.21.5.6	SECTION 421.235	421.235 [Reserved]
40:31.0.1.1.21.21.5.7	SECTION 421.236	421.236 Pretreatment standards for new sources.
40:31.0.1.1.21.21.5.8	SECTION 421.237	421.237 [Reserved]

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