| Section No. | Description |
|---|---|
| Section 136.1 | Definitions |
| Section 136.2 | Identification of test procedures |
| Section 136.3 | Application for and approval of alternate test procedures for nationwide use |
| Section 136.4 | Approval of alternate test procedures for limited use |
| Section 136.5 | Method modifications and analytical requirements |
| Section 136.6 | Quality assurance and quality control |
| Section 136.7 | Definitions |