# CENTRAL VALLEY GAS STORAGE (CVGS), LLC — Integrity Assurance Notification

- **operation:** document
- **citation:** PHMSA 20-197669
- **title:** CENTRAL VALLEY GAS STORAGE (CVGS), LLC — Integrity Assurance Notification
- **source type:** inspection
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** 2020-12-04
- **effective on:** 2020-12-04
- **summary:** GAS TRANSMISSION in CA; PROGRAM; PHMSA status: RESOLVED.
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/phmsa-leading-ian-20-197669-operator-32603.json
- **markdown:** https://regulus.evalyn.ai/document/phmsa-leading-ian-20-197669-operator-32603.md
- **app url:** https://regulus.evalyn.ai/document/phmsa-leading-ian-20-197669-operator-32603
- **source url:** https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/data_statistics/pipeline/SRCR_and_Integrity_Assurance_Notifications.zip
**body:**

Pursuant to 49 C.F.R. § 192.909, the purpose of this notification is to make you aware of a significant change to our Integrity Management Plan (IM Plan).  Central Valley Gas Storage (CVGS) has added the potential threat of stress corrosion cracking (SCC) to its IM Plan.  While CVGS has not previously considered SCC as a potential threat, our Southern Company Gas affiliated utility, Atlanta Gas Light, has identified SCC on a pipeline in Georgia.   
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- **body characters:** 472