Reference Source

Naphthalene diisocyanate; NDI

For Naphthalene diisocyanate; NDI, pel (ppm) is 0.01; pel (mg/m³) is 0.085; ceiling is C, verified against its source on 2026-08-05.

Substance
Naphthalene diisocyanate; NDI
PEL (ppm)
0.01
PEL (mg/m³)
0.085
Ceiling
C
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

25551284 | | Naphthalene diisocyanate; NDI | 0.01 | 0.085 | C

— 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.