# Vinyl bromide — workplace exposure limit

For Vinyl bromide, niosh rel, as stated is Ca See Appendix A; cas no. is 593-60-2, verified against its source on 2026-09-08.

- **Substance:** Vinyl bromide _(verified: appears in its own passage below)_
- **CAS No.:** 593-60-2 _(verified: appears in its own passage below)_
- **NIOSH REL, as stated:** Ca See Appendix A _(verified: appears in the quote below)_
- **PEL (ppm):** 0.1 _(per dir.ca.gov, not stated by the source above)_
- **PEL (mg/m³):** 0.44 _(per dir.ca.gov, not stated by the source above)_

## What the source says

> NIOSH REL Ca See Appendix A

## Where each value comes from

This source states these in separate places, so each value is shown with the passage that states it.

### Substance

> CDC - NIOSH Pocket Guide to Chemical Hazards - Vinyl bromide

### CAS No.

> CAS No. 593-60-2

## What dir.ca.gov says

> 593602 | | Vinyl bromide; bromoethylene | 0.1 | 0.44

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

## Source

- https://www.cdc.gov/niosh/npg/npgd0657.html
- https://www.dir.ca.gov/title8/5155.html

Last verified: 2026-09-08. Review by: 2027-08-05.
Part of [US workplace chemical exposure limits: federal OSHA, Cal/OSHA and NIOSH, side by side](https://referencesource.org/workplace-exposure-limits/).