Mercury alkyls, as Hg — CAS 7439976 — workplace exposure limit
What is the pel (mg/m³) for Mercury alkyls, as Hg — CAS 7439976 — workplace exposure limit?
For Mercury alkyls, as Hg, pel (mg/m³) is 0.01; ceiling is 0.04 mg/M3; ceiling notation is a ceiling value in addition to the TWA values; stel (mg/m³) is 0.03; cas no. is 7439976, verified against its source on 2026-09-29.
7439976 | S | Mercury alkyls, as Hg | -- | 0.01 | 0.04 mg/M3 | -- | 0.03
— dir.ca.gov, retrieved 2026-09-28
- Substance
- Mercury alkyls, as Hg verified
- CAS No.
- 7439976 verified
- PEL (mg/m³)
- 0.01 verified
- Ceiling
- 0.04 mg/M3 verified
- Ceiling notation
- a ceiling value in addition to the TWA values verified
- STEL (mg/m³)
- 0.03 verified
Where each value comes from
The value above is stated away from the sentence quoted with the answer, so the passage that states it is shown here too.
Ceiling notation
A numerical entry in this column represents a ceiling value in addition to the TWA values.
— all from dir.ca.gov, retrieved 2026-09-28
Source
- dir.ca.govhttps://www.dir.ca.gov/title8/5155.html