# COLUMBIA GAS TRANSMISSION, LLC — Notice of Amendment

**Citation:** CPF 320091017M  
**Type / status:** enforcement / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2009-08-20

CLOSED notice of amendment citing 192.7, 192.903, 192.905(a), 192.907(e), 192.909, 192.911(k), 192.911(l), 192.915(a), 192.915(b), 192.917(a), 192.917(b), 192.917(d), 192.917(e), 192.917(e)(1), 192.917(e)(5), 192.921(a)(1), 192.933(a), 192.933(b), 192.933(c), 192.933(d)(1), 192.933(d)(3), 192.935(a), 192.935(b)(1), 192.935(b)(2), 192.935(d), 192.937(b), 192.937(c).

## Document text

Notice of Amendment involving COLUMBIA GAS TRANSMISSION, LLC. PHMSA's enforcement data identifies the cited regulations as 192.7,  192.903,  192.905(a),  192.907(e),  192.909,  192.911(k),  192.911(l),  192.915(a),  192.915(b),  192.917(a),  192.917(b),  192.917(d),  192.917(e),  192.917(e)(1),  192.917(e)(5),  192.921(a)(1),  192.933(a),  192.933(b),  192.933(c),  192.933(d)(1),  192.933(d)(3),  192.935(a),  192.935(b)(1),  192.935(b)(2),  192.935(d),  192.937(b),  192.937(c). The case was opened on 2009-08-20 and is reported as closed as of 2010-03-19. Open the official case record for notices, responses, orders, and the latest status.

Official case documents:

320091017M_NOA_08202009.pdf: https://primis.phmsa.dot.gov/enforcement-documents/320091017M/320091017M_NOA_08202009.pdf

320091017M_NOA_08202009_text.pdf: https://primis.phmsa.dot.gov/enforcement-documents/320091017M/320091017M_NOA_08202009_text.pdf

320091017M_Operator Response_09242009.pdf: https://primis.phmsa.dot.gov/enforcement-documents/320091017M/320091017M_Operator%20Response_09242009.pdf

## Provenance

- Official: Yes
- Source: <https://primis.phmsa.dot.gov/enforcement-data/case/320091017M>
- Source ID: `phmsa-enforcement`
- SHA-256: `baab28ef69bad7ac0f18500450a1ab3ab8674dba81cd541977442b95f1f0d419`
- Retrieved: 2026-08-20T04:44:44.458Z
- Exported: 2026-08-24T21:01:48.768Z
- Document slug: `phmsa-enforcement-320091017m`

### Source metadata

```json
{
  "cpf": "320091017M",
  "operator": "COLUMBIA GAS TRANSMISSION, LLC",
  "region": "Central",
  "pipelineType": "GAS INTERSTATE ONSHORE",
  "caseStatus": "CLOSED",
  "citedSections": [
    "192.7",
    "192.903",
    "192.905(a)",
    "192.907(e)",
    "192.909",
    "192.911(k)",
    "192.911(l)",
    "192.915(a)",
    "192.915(b)",
    "192.917(a)",
    "192.917(b)",
    "192.917(d)",
    "192.917(e)",
    "192.917(e)(1)",
    "192.917(e)(5)",
    "192.921(a)(1)",
    "192.933(a)",
    "192.933(b)",
    "192.933(c)",
    "192.933(d)(1)",
    "192.933(d)(3)",
    "192.935(a)",
    "192.935(b)(1)",
    "192.935(b)(2)",
    "192.935(d)",
    "192.937(b)",
    "192.937(c)"
  ],
  "dataAsOf": "08/04/2026 12PM",
  "caseDataAsOf": "2026-08-04",
  "attachmentCount": 3,
  "attachments": [
    {
      "name": "320091017M_NOA_08202009.pdf",
      "url": "https://primis.phmsa.dot.gov/enforcement-documents/320091017M/320091017M_NOA_08202009.pdf",
      "bytes": 763740,
      "category": "case_document"
    },
    {
      "name": "320091017M_NOA_08202009_text.pdf",
      "url": "https://primis.phmsa.dot.gov/enforcement-documents/320091017M/320091017M_NOA_08202009_text.pdf",
      "bytes": 73326,
      "category": "case_document"
    },
    {
      "name": "320091017M_Operator Response_09242009.pdf",
      "url": "https://primis.phmsa.dot.gov/enforcement-documents/320091017M/320091017M_Operator%20Response_09242009.pdf",
      "bytes": 401521,
      "category": "party_submission"
    }
  ],
  "extractedAgencyDocumentCount": 0,
  "attachmentPolicy": "Official attachment links are retained. Agency-issued documents may also include a verified local PDF and page-level text representation.",
  "jurisdiction": "US",
  "operatorName": "COLUMBIA GAS TRANSMISSION, LLC"
}
```
