---
type: threshold
id: chlordane-1-2-4-5-6-7-8-8-octachloro-3a-4-7-7a-tetrahydro-4-7-methanoindane
asset: workplace-exposure-limits
title: "Chlordane; 1,2,4,5,6,7,8,8-octachloro-3a,4,7,7a-tetrahydro-4,7-methanoindane — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "57749 | S | Chlordane; 1,2,4,5,6,7,8,8-octachloro-3a,4,7,7a-tetrahydro-4,7-methanoindane | -- | 0.5"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Chlordane; 1,2,4,5,6,7,8,8-octachloro-3a,4,7,7a-tetrahydro-4,7-methanoindane"
pel_mgm3: "0.5"
verified: true
---
**Substance:** Chlordane; 1,2,4,5,6,7,8,8-octachloro-3a,4,7,7a-tetrahydro-4,7-methanoindane

**PEL (mg/m³):** 0.5

> 57749 | S | Chlordane; 1,2,4,5,6,7,8,8-octachloro-3a,4,7,7a-tetrahydro-4,7-methanoindane | -- | 0.5

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