| 10 min | 30 min | 60 min | 4 hr | 8 hr | |
|---|---|---|---|---|---|
| ppm | |||||
| AEGL 1 | NR | NR | NR | NR | NR |
| AEGL 2 | NR | NR | NR | NR | NR |
| AEGL 3 | NR | NR | NR | NR | NR |
NR = Not recommended due to insufficient data
Short-term exposures to below 80 ppm NO should not constitute a health hazard
* AEGL values for nitrogen dioxide should be used for emergency planning.
- Nitrogen oxides AEGL Technical Support Document (PDF)(116 pp, 806 K)