---
type: threshold
id: nickel-subsulfide
asset: workplace-exposure-limits
title: "Nickel subsulfide — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "12035722 | | Nickel subsulfide | -- | .05"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Nickel subsulfide"
pel_mgm3: ".05"
verified: true
---
**Substance:** Nickel subsulfide

**PEL (mg/m³):** .05

> 12035722 | | Nickel subsulfide | -- | .05

Source: <https://www.dir.ca.gov/title8/5155.html>