| 10 min | 30 min | 60 min | 4 hr | 8 hr | |
|---|---|---|---|---|---|
| ppm | |||||
| AEGL 1 | NR | NR | NR | NR | NR |
| AEGL 2 | 1.3 | 1.3 | 1.0 | 0.67 | 0.33 |
| AEGL 3 | 3.9 | 3.9 | 3.1 | 2.0 | 0.99 |
- Methacrylonitrile AEGL Technical Support Document (PDF)(67 pp, 585 K)
US EPA
United States Environmental Protection Agency