# TALLGRASS INTERSTATE GAS TRANSMISSION, LLC — Integrity Assurance Notification

- **operation:** document
- **citation:** PHMSA 19-152441
- **title:** TALLGRASS INTERSTATE GAS TRANSMISSION, LLC — Integrity Assurance Notification
- **source type:** inspection
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** 2017-12-24
- **effective on:** 2017-12-24
- **summary:** GAS TRANSMISSION in CO,IL,IN,KS,MO,NE,OH,WY; PROGRAM; PHMSA status: RESOLVED.
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/phmsa-leading-ian-19-152441-operator-1007.json
- **markdown:** https://regulus.evalyn.ai/document/phmsa-leading-ian-19-152441-operator-1007.md
- **app url:** https://regulus.evalyn.ai/document/phmsa-leading-ian-19-152441-operator-1007
- **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 §192.949, the following modifications are being communicated as these are considered to have the potential to substantially affect the program's implementation or may significantly modify the program or schedule for carrying out the program elements. Per the March 16 ADB regarding Deactivation of Threats Tallgrass has identified Incorrect Operations as a threat on all gas HCA segments.  Additionally, equipment threat has been identified as a threat on all HCA segments after a review, this will be refined over time and with a new risk algorithm that is being implemented.
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- **body characters:** 596