| Section No. | Description |
|---|---|
| Section 401.10 | General definitions |
| Section 401.11 | General definitions |
| Section 401.11 | Law authorizing establishment of effluent limitations guidelines for existing sources, standards of performance for new |
| Section 401.12 | Test procedures for measurement |
| Section 401.13 | Cooling water intake structures |
| Section 401.14 | Toxic pollutants |
| Section 401.15 | Conventional pollutants |
| Section 401.16 | Purpose and applicability |