Reference Source

Naphtha, coal tar

For Naphtha, coal tar, pel (ppm) is 100; pel (mg/m³) is 400, verified against its source on 2026-08-05.

Substance
Naphtha, coal tar
PEL (ppm)
100
PEL (mg/m³)
400
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

8030317 | | Naphtha, coal tar | 100 | 400

— 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.