# -14 Cleaning of inner tank.

- **operation:** document
- **citation:** 49 CFR 179.400-14
- **title:** -14 Cleaning of inner tank.
- **source type:** regulation
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** current
- **official:** true
- **published on:** Not available
- **effective on:** 2026-08-18
- **summary:** The interior of the inner tank and all connecting lines must be thoroughly cleaned and dried prior to use. Proper precautions must be taken to avoid contamination of the system after cleaning.
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/49-cfr-179-400-14.json
- **markdown:** https://regulus.evalyn.ai/document/49-cfr-179-400-14.md
- **app url:** https://regulus.evalyn.ai/document/49-cfr-179-400-14
- **source url:** https://www.ecfr.gov/on/2026-08-18/title-49/section-179.400-14
**body:**

The interior of the inner tank and all connecting lines must be thoroughly cleaned and dried prior to use. Proper precautions must be taken to avoid contamination of the system after cleaning.
- **truncated:** false
- **body characters:** 192