---
type: threshold
id: malathion-o-o-dimethyl-s-1-1-2-dicarboethyoxyethyl-phosphorodithioate
asset: workplace-exposure-limits
title: "Malathion; o,o-dimethyl S-1(1,2-dicarboethyoxyethyl) phosphorodithioate — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "121755 | S | Malathion; o,o-dimethyl S-1(1,2-dicarboethyoxyethyl) phosphorodithioate | -- | 10"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Malathion; o,o-dimethyl S-1(1,2-dicarboethyoxyethyl) phosphorodithioate"
pel_mgm3: "10"
verified: true
---
**Substance:** Malathion; o,o-dimethyl S-1(1,2-dicarboethyoxyethyl) phosphorodithioate

**PEL (mg/m³):** 10

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

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