Division 2.2 The table in paragraph 5.3.6.2. and the text in paragraph 5.3.6.4. of UN/ECE Regulation No 83 shall be understood to be as follows:
Original text. Later amendments are not shown.
| Engine Category | Assigned deterioration factors |
|---|
| CO | THC | NMHC | NOx | HC + NOx | PM | F1PN |
|---|
| Positive-ignition | 1,5 | 1,3 | 1,3 | 1,6 | — | 1,0 | 1,0 |
| Compression-ignition | As there are no assigned deterioration factors for compression ignition vehicles, manufacturers shall use the whole vehicle or bench ageing durability test procedures to establish deterioration factors. |