---
type: threshold
id: n-butyl-lactate
asset: workplace-exposure-limits
title: "n-Butyl lactate — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "138227 | | n-Butyl lactate | 5 | 25"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "n-Butyl lactate"
pel_ppm: "5"
pel_mgm3: "25"
verified: true
---
**Substance:** n-Butyl lactate

**PEL (ppm):** 5

**PEL (mg/m³):** 25

> 138227 | | n-Butyl lactate | 5 | 25

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