# Acid, sludge (ID 1906)

- **operation:** document
- **citation:** ERG 2024 ID 1906
- **title:** Acid, sludge (ID 1906)
- **source type:** guidance
- **agency:** U.S. DOT / Transport Canada / SICT
- **status:** guidance
- **official:** true
- **published on:** 2024-04-04
- **effective on:** Not available
- **summary:** ERG2024 assigns Acid, sludge (ID 1906) to Guide 153: Substances - Toxic and/or Corrosive (Combustible).
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/phmsa-erg-2024-material-id1906-acid-sludge.json
- **markdown:** https://regulus.evalyn.ai/document/phmsa-erg-2024-material-id1906-acid-sludge.md
- **app url:** https://regulus.evalyn.ai/document/phmsa-erg-2024-material-id1906-acid-sludge
- **source url:** https://www.phmsa.dot.gov/erg/material?materialName=Acid%2C+sludge&materialUn=1906
**body:**

ERG identification number: 1906.
Material: Acid, sludge.
Assigned response guide: Guide 153, Substances - Toxic and/or Corrosive (Combustible).
The ERG index does not mark this entry with the P polymerization-hazard indicator.
- **truncated:** false
- **body characters:** 226