Reference Source

EPN; o-ethyl o-(p-nitrophenyl) phenylphosphonothioate

For EPN; o-ethyl o-(p-nitrophenyl) phenylphosphonothioate, pel (mg/m³) is 0.1, verified against its source on 2026-08-05.

Substance
EPN; o-ethyl o-(p-nitrophenyl) phenylphosphonothioate
PEL (mg/m³)
0.1
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

2104645 | S | EPN; o-ethyl o-(p-nitrophenyl) phenylphosphonothioate | -- | 0.1

— 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.