# Phenyl glycidyl ether — workplace exposure limit

For Phenyl glycidyl ether, niosh rel (ppm) is C 1; niosh rel (mg/m³) is 6; cas no. is 122-60-1, verified against its source on 2026-09-08.

- **Substance:** Phenyl glycidyl ether _(verified: appears in its own passage below)_
- **CAS No.:** 122-60-1 _(verified: appears in its own passage below)_
- **NIOSH REL (ppm):** C 1 _(verified: appears in the quote below)_
- **NIOSH REL (mg/m³):** 6 _(verified: appears in the quote below)_
- **PEL (ppm):** 10 _(per osha.gov, not stated by the source above)_
- **PEL (mg/m³):** 60 _(per osha.gov, not stated by the source above)_

## What the source says

> NIOSH REL Ca C 1 ppm (6 mg/m3) [15-minute]

## 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 - Phenyl glycidyl ether

### CAS No.

> CAS No. 122-60-1

## What osha.gov says

> Phenyl glycidyl ether (PGE) | 122-60-1 | 10 | 60 | - |

Source: https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1

## What dir.ca.gov says

> 122601 | S | Phenyl glycidyl ether, PGE; 1,2-epoxy-3-phenoxypropane | 0.1 | 0.6

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

## Source

- https://www.cdc.gov/niosh/npg/npgd0498.html
- https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.1000TableZ1
- 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/).