# Malathion; o,o-dimethyl S-1(1,2-dicarboethyoxyethyl) phosphorodithioate — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side

For Malathion; o,o-dimethyl S-1(1,2-dicarboethyoxyethyl) phosphorodithioate, pel (mg/m³) is 10, verified against its source on 2026-08-05.

- **Substance:** Malathion; o,o-dimethyl S-1(1,2-dicarboethyoxyethyl) phosphorodithioate
- **PEL (mg/m³):** 10

## What the source says

> 121755 | S | Malathion; o,o-dimethyl S-1(1,2-dicarboethyoxyethyl) phosphorodithioate | -- | 10

## 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/).