• § 403.1 - Purpose and applicability.

• § 403.2 - Objectives of general pretreatment regulations.

• § 403.3 - Definitions.

• § 403.4 - State or local law.

• § 403.5 - National pretreatment standards: Prohibited discharges.

• § 403.6 - National pretreatment standards: Categorical standards.

• § 403.7 - Removal credits.

• § 403.8 - Pretreatment Program Requirements: Development and Implementation by POTW.

• § 403.9 - POTW pretreatment programs and/or authorization to revise pretreatment standards: Submission for approval.

• § 403.10 - Development and submission of NPDES State pretreatment programs.

• § 403.11 - Approval procedures for POTW pretreatment programs and POTW granting of removal credits.

• § 403.12 - Reporting requirements for POTW's and industrial users.

• § 403.13 - Variances from categorical pretreatment standards for fundamentally different factors.

• § 403.14 - Confidentiality.

• § 403.15 - Net/Gross calculation.

• § 403.16 - Upset provision.

• § 403.17 - Bypass.

• § 403.18 - Modification of POTW pretreatment programs.

• § 403.19 - Provisions of specific applicability to the Owatonna Waste Water Treatment Facility.

• § 403.20 - Pretreatment Program Reinvention Pilot Projects Under Project XL.

• Appendix - Appendixes A-C to Part 403 [Reserved]

• Appendix Appendix D - Appendix D to Part 403—Selected Industrial Subcategories Considered Dilute for Purposes of the Combined Wastestream Formula

• Appendix Appendix E - Appendix E to Part 403—Sampling Procedures

• Appendix Appendix F - Appendix F to Part 403 [Reserved]

• Appendix Appendix G - Appendix G to Part 403—Pollutants Eligible for a Removal Credit