# ANTU; 1-(1-naphthyl)-2-thiourea; Bantu; Rattrack — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side

For ANTU; 1-(1-naphthyl)-2-thiourea; Bantu; Rattrack, pel (mg/m³) is 0.3, verified against its source on 2026-08-05.

- **Substance:** ANTU; 1-(1-naphthyl)-2-thiourea; Bantu; Rattrack
- **PEL (mg/m³):** 0.3

## What the source says

> 86884 | | ANTU; 1-(1-naphthyl)-2-thiourea; Bantu; Rattrack | -- | 0.3

## 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/).