Reference Source

Chloroform; trichloromethane

For Chloroform; trichloromethane, pel (ppm) is 2; pel (mg/m³) is 9.78, verified against its source on 2026-08-05.

Substance
Chloroform; trichloromethane
PEL (ppm)
2
PEL (mg/m³)
9.78
Sourcedir.ca.gov
Verified2026-08-05
Review by2027-08-05
DatasetUS workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side

What the source says

67663 | | Chloroform; trichloromethane | 2 | 9.78

— dir.ca.gov, retrieved 2026-08-05

Source

Last verified against source: 2026-08-05. Scheduled for re-check by: 2027-08-05. This page as Markdown · OKF concept · full dataset as JSON.