DDT — CAS 50-29-3 — workplace exposure limit
What is the niosh rel (mg/m³) for DDT — CAS 50-29-3 — workplace exposure limit?
For DDT, niosh rel (mg/m³) is TWA 0.5; cas no. is 50-29-3, verified against its source on 2026-09-08.
NIOSH REL Ca TWA 0.5 mg/m3
— cdc.gov, retrieved 2026-09-08
- Substance
- DDT verified
- CAS No.
- 50-29-3 verified
- NIOSH REL (mg/m³)
- TWA 0.5 verified
- PEL (mg/m³)
- 1 per dir.ca.gov
Where each value comes from
This source states these in separate places, so each value is shown with the passage that states it.
Substance
CDC - NIOSH Pocket Guide to Chemical Hazards - DDT
CAS No.
CAS No. 50-29-3
— all from cdc.gov, retrieved 2026-09-08
What dir.ca.gov says
50293 | S | DDT; 1,1,1-trichloro-2,2-bis-(p-chlorophenyl)ethane | -- | 1
— dir.ca.gov, retrieved 2026-08-05
What osha.gov says
Dichlorodiphenyltrichloroethane (DDT) | 50-29-3 | - | 1 | X |
— osha.gov, retrieved 2026-08-05
What dir.ca.gov says
50293 | | 1,1,1,-Trichloro-2,2-bis(p-chlorophenyl)ethane; see DDT
— dir.ca.gov, retrieved 2026-08-05
Sources
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0174.html
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html
- osha.govhttps://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1