---
type: threshold
id: 1-2-diaminoethane-see-ethylenediamine-diatomacous-earth-see-silica-amorphous
asset: workplace-exposure-limits
title: "1,2-Diaminoethane; see Ethylenediamine Diatomacous earth; see Silica-amorphous — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "107153 | | 1,2-Diaminoethane; see Ethylenediamine Diatomacous earth; see Silica-amorphous"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "1,2-Diaminoethane; see Ethylenediamine Diatomacous earth; see Silica-amorphous"
verified: true
---
**Substance:** 1,2-Diaminoethane; see Ethylenediamine Diatomacous earth; see Silica-amorphous

> 107153 | | 1,2-Diaminoethane; see Ethylenediamine Diatomacous earth; see Silica-amorphous

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