# Subtilisins (as pure crystalline proteolytic enzymes) — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side

For Subtilisins (as pure crystalline proteolytic enzymes), stel (mg/m³) is 0.00006 (r), verified against its source on 2026-08-05.

- **Substance:** Subtilisins (as pure crystalline proteolytic enzymes)
- **STEL (mg/m³):** 0.00006 (r)

## What the source says

> 9014011 | | Subtilisins (as pure crystalline proteolytic enzymes) | -- | | | | 0.00006 (r)

## Source

- https://www.dir.ca.gov/title8/5155.html

Last verified: 2026-08-05. Review by: 2027-08-05.
Part of [US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side](https://referencesource.org/workplace-exposure-limits/).