# SOUTHERN CALIFORNIA GAS CO — Integrity Assurance Notification

- **operation:** document
- **citation:** PHMSA 25-347041
- **title:** SOUTHERN CALIFORNIA GAS CO — Integrity Assurance Notification
- **source type:** inspection
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** 2025-07-03
- **effective on:** 2025-07-03
- **summary:** GAS TRANSMISSION in CA; REASSESSMENT INTERVAL ABOVE 30% SMYS; PHMSA status: RESOLVED.
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/phmsa-leading-ian-25-347041-operator-18484.json
- **markdown:** https://regulus.evalyn.ai/document/phmsa-leading-ian-25-347041-operator-18484.md
- **app url:** https://regulus.evalyn.ai/document/phmsa-leading-ian-25-347041-operator-18484
- **source url:** https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/data_statistics/pipeline/SRCR_and_Integrity_Assurance_Notifications.zip
**body:**

As required by 49 CFR §190.343, Information made available to the public and request for protection of confidential commercial information, please find included in the attached: • Confidentiality marked versions and redacted versions of: 1. “L767 P1 6-Month Assessment Extension Letter - SCG.pdf” 2. “L1167-3007-1170 6-Month Assessment Extension Letter - SCG.pdf” 3. “L1202 6-Month Assessment Extension Letter - SCG.pdf” 4. “L1219 6-Month Assessment Extension Letter - SCG.pdf” 5. “L2001W P5 6-Month Assessment Extension Letter - SCG.pdf” 6. “L2001W-2002-2003 P6 6-Month Assessment Extension Letter - SCG.pdf” 7. “L2003 6-Month Assessment Extension Letter - SCG.pdf” • “Confidentiality Declaration - SoCalGas 6-Month Assessment Extensions.pdf”, for CPUC treatment of confidential information • “PHMSA FOIA - SoCalGas 6-month Assessment Requests – 07-03-2025 – 7 Pipelines.pdf”, explanation of our request for confidential treatment of these documents at a federal level
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