p-Dichlorobenzene — workplace exposure limit
What is the pel (ppm) for p-Dichlorobenzene — workplace exposure limit?
For p-Dichlorobenzene, pel (ppm) is 75; pel (mg/m³) is 450; cas no. is 106-46-7, verified against its source on 2026-08-05.
p-Dichlorobenzene | 106-46-7 | 75 | 450 | - |
— osha.gov, retrieved 2026-08-05
- Substance
- p-Dichlorobenzene verified
- CAS No.
- 106-46-7 verified
- PEL (ppm)
- 75 verified
- PEL (mg/m³)
- 450 verified
- Ceiling
- 200 ppm per dir.ca.gov
- STEL (ppm)
- 110 per dir.ca.gov
- STEL (mg/m³)
- 675 per dir.ca.gov
- NIOSH REL, as stated
- Ca See Appendix A per cdc.gov
What cdc.gov says
NIOSH REL Ca See Appendix A
— cdc.gov, retrieved 2026-09-08
Sources disagree
More than one authority states this, and they do not state the same thing. Both are reproduced with the source each came from — deciding between them is yours, not ours.
PEL (ppm)
osha.gov says pel (ppm) is 75, as of 2026-08-05.
p-Dichlorobenzene | 106-46-7 | 75 | 450 | - |
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
dir.ca.gov says pel (ppm) is 10, as of 2026-08-05.
106467 | | p-Dichlorobenzene; 1,4-dichlorobenzene | 10 | 60 | 200 ppm | 110 | 675
https://www.dir.ca.gov/title8/5155.html
PEL (mg/m³)
osha.gov says pel (mg/m³) is 450, as of 2026-08-05.
p-Dichlorobenzene | 106-46-7 | 75 | 450 | - |
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
dir.ca.gov says pel (mg/m³) is 60, as of 2026-08-05.
106467 | | p-Dichlorobenzene; 1,4-dichlorobenzene | 10 | 60 | 200 ppm | 110 | 675
Sources
- osha.govhttps://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0190.html