# Purging of sour gas pipelines; plan; personnel

- **operation:** document
- **citation:** Mich. Admin. Code R 460.20404
- **title:** Purging of sour gas pipelines; plan; personnel
- **source type:** regulation
- **agency:** Michigan Public Service Commission
- **status:** current
- **official:** true
- **published on:** Not available
- **effective on:** 2026-05-04
- **summary:** Rule 404. In addition to satisfying the requirements set forth in 49 C.F.R. §192.629, which is adopted by reference in R 460.20606, an operator of pipeline facilities used in the transportation of sour gas shall comply with both of the following provisions: (a) The purging of sour gas from a pipelin
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/mi-admin-code-r-460-20404.json
- **markdown:** https://regulus.evalyn.ai/document/mi-admin-code-r-460-20404.md
- **app url:** https://regulus.evalyn.ai/document/mi-admin-code-r-460-20404
- **source url:** https://ars.apps.lara.state.mi.us/AdminCode/DownloadAdminCodeFile?FileName=R%20460.20101%20to%20R%20460.20606.pdf
**body:**

Rule 404. In addition to satisfying the requirements set forth in 49 C.F.R. §192.629, which is adopted by reference in R 460.20606, an operator of pipeline facilities used in the transportation of sour gas shall comply with both of the following provisions:

(a) The purging of sour gas from a pipeline shall be accomplished by burning or by equivalent control of H2S.

(b) All purging and blowing down of sour gas pipelines shall be done in accordance with a written plan. The plan shall include public and operator personnel safety and environmental protection considerations. Properly equipped personnel who are trained and familiar with the potential hazards of sour gas shall perform all purging and blowing down operations.

History: 1998-2000 AACS; 2003 AACS.
- **truncated:** false
- **body characters:** 766