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| 10 min | 30 min | 60 min | 4 hr | 8 hr | |
|---|---|---|---|---|---|
| ppm | |||||
| AEGL 1 | 450 | 310 | 250 | 140 | 70 |
| AEGL 2 | 2,800 | 1,600 | 1,200 | 820 | 820 |
| AEGL 3 | 12,000* | 6,800* | 4,800* | 3,400 | 3,400 |
Lower Explosion Limit (LEL) range= 38,000 ppm to 293,000 ppm
* = >10% LEL
For values denoted as * safety considerations against hazard(s) of explosion(s) must be taken into account.