Reference Source

Methyl parathion; o,o-dimethyl o-(p-nitrophenyl) phosphorothioate

For Methyl parathion; o,o-dimethyl o-(p-nitrophenyl) phosphorothioate, pel (mg/m³) is 0.2, verified against its source on 2026-08-05.

Substance
Methyl parathion; o,o-dimethyl o-(p-nitrophenyl) phosphorothioate
PEL (mg/m³)
0.2
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

298000 | S | Methyl parathion; o,o-dimethyl o-(p-nitrophenyl) phosphorothioate | -- | 0.2

— 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.