|
| filtre | tip de protecție | Ref. mască | Ref. filtru | valoarea limită de expunere (VLEP) | |||||
|---|---|---|---|---|---|---|---|---|---|
| 109-99-9 | 1,4-epoxybutane | C4H8O | A | MC | M9200
M9300
|
M9000EA2_ M9000A2_ |
200 ppm |
|
|
| 109-99-9 | Diethylene oxide | C4H8O | A | MC | M9200
M9300
|
M9000EA2_ M9000A2_ |
200 ppm |
|
|
| 109-99-9 | Tetrahydrofuran | C4H8O | A | MC | M9200
M9300
|
M9000EA2_ M9000A2_ |
200 ppm |
|
|
| 109-99-9 | THF | C4H8O | A | MC | M9200
M9300
|
M9000EA2_ M9000A2_ |
200 ppm |
|
|