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| 10 min | 30 min | 60 min | 4 hr | 8 hr | |
|---|---|---|---|---|---|
| ppm (Sept - 2018) | |||||
| AEGL 1 | NR | NR | NR | NR | NR |
| AEGL 2 | 3.7 | 3.7 | 3.0 | 1.9 | 1.3 |
| AEGL 3 | 11 | 11 | 9.1 | 5.7 | 3.8 |
NR = Not recommended. Absence of an AEGL-1 value does not imply that exposure below the AEGL-2 value is without adverse effects.