---
type: threshold
id: alpha-methylacrylonitrile
asset: workplace-exposure-limits
title: "alpha-Methylacrylonitrile — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "126987 | S | alpha-Methylacrylonitrile | 1 | 3"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "alpha-Methylacrylonitrile"
pel_ppm: "1"
pel_mgm3: "3"
verified: true
---
**Substance:** alpha-Methylacrylonitrile

**PEL (ppm):** 1

**PEL (mg/m³):** 3

> 126987 | S | alpha-Methylacrylonitrile | 1 | 3

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