Reference Source

N-Methylpyrrolidone (NMP)

For N-Methylpyrrolidone (NMP), pel (ppm) is 1; pel (mg/m³) is 4, verified against its source on 2026-08-05.

Substance
N-Methylpyrrolidone (NMP)
PEL (ppm)
1
PEL (mg/m³)
4
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

872504 | S | N-Methylpyrrolidone (NMP) | 1 | 4

— 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.