Title 40

PART 503 SUBPART A

Subpart A - General Provisions

• Sections 405 (d) and (e) of the Clean Water Act, as amended by Pub. L. 95-217, sec. 54(d), 91 Stat. 1591 (33 U.S.C. 1345 (d) and (e)); and Pub. L. 100-4, title IV, sec. 406 (a), (b), 101 Stat., 71, 72 (33 U.S.C. 1251 et seq.).
• 58 FR 9387, Feb. 19, 1993, unless otherwise noted.

40:32.0.1.2.43.1.13.1	SECTION 503.1	503.1 Purpose and applicability.
40:32.0.1.2.43.1.13.2	SECTION 503.2	503.2 Compliance period.
40:32.0.1.2.43.1.13.3	SECTION 503.3	503.3 Permits and direct enforceability.
40:32.0.1.2.43.1.13.4	SECTION 503.4	503.4 Relationship to other regulations.
40:32.0.1.2.43.1.13.5	SECTION 503.5	503.5 Additional or more stringent requirements.
40:32.0.1.2.43.1.13.6	SECTION 503.6	503.6 Exclusions.
40:32.0.1.2.43.1.13.7	SECTION 503.7	503.7 Requirement for a person who prepares sewage sludge.
40:32.0.1.2.43.1.13.8	SECTION 503.8	503.8 Sampling and analysis.
40:32.0.1.2.43.1.13.9	SECTION 503.9	503.9 General definitions.

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