Tetramethyl lead (as Pb) — CAS 75-74-1 — workplace exposure limit
What is the pel (mg/m³) for Tetramethyl lead (as Pb) — CAS 75-74-1 — workplace exposure limit?
For Tetramethyl lead (as Pb), pel (mg/m³) is 0.075; cas no. is 75-74-1, verified against its source on 2026-08-05.
Tetramethyl lead (as Pb) | 75-74-1 | - | 0.075 | X |
— osha.gov, retrieved 2026-08-05
- Substance
- Tetramethyl lead (as Pb) verified
- CAS No.
- 75-74-1 verified
- PEL (mg/m³)
- 0.075 verified
- NIOSH REL (mg/m³)
- TWA 0.075 per cdc.gov
What cdc.gov says
NIOSH REL TWA 0.075 mg/m3 [skin]
— cdc.gov, retrieved 2026-09-08
Substance
CDC - NIOSH Pocket Guide to Chemical Hazards - Tetramethyl lead (as Pb)
CAS No.
CAS No. 75-74-1
What dir.ca.gov says
75741 | S | Tetramethyl lead; tetramethylplumbane, as Pb | -- | 0.075
— dir.ca.gov, retrieved 2026-08-05
What dir.ca.gov says
75741 | | Lead tetramethyl, see Tetramethyl lead
— dir.ca.gov, retrieved 2026-08-05
Sources
- osha.govhttps://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
- cdc.govhttps://www.cdc.gov/niosh/npg/npgd0603.html
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html