# TEXAS GAS TRANSMISSION, LLC — Gas transmission and gathering — incident on 2015-06-16

- **operation:** document
- **citation:** PHMSA Report 20150093
- **title:** TEXAS GAS TRANSMISSION, LLC — Gas transmission and gathering — incident on 2015-06-16
- **source type:** incident
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** 2015-07-10
- **effective on:** 2015-06-16
- **summary:** Gas transmission and gathering incident in SOUTHAVEN, DESOTO County, MS. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 3140 NATURAL GAS released, $300 reported property damage. Operator-reported incident data submitted to PHMSA, generally within 30 days. Records may be supplemented or corrected and do not represent final agency causal findings. PHMSA trend classification: not significant, not serious.
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**body:**

Gas transmission and gathering incident in SOUTHAVEN, DESOTO County, MS. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 3140 NATURAL GAS released, $300 reported property damage. Operator-reported incident data submitted to PHMSA, generally within 30 days. Records may be supplemented or corrected and do not represent final agency causal findings.

Report number: 20150093.

Operator ID: 19270.

Reported incident date: 6/16/2015 11:35.

Location detail: 239+4009

Cause detail: MALFUNCTION OF CONTROL/RELIEF EQUIPMENT

Cause detail: PIPELINE WAS TEMPORARILY OVERPRESSURED (EXCEEDED MAOP BY .7%) WHILE ATTEMPTING TO MOVE A CLEANING PIG THAT WAS SLOWED OR STOPPED USING HIGH PRESSURE DISCHARGE GAS. THE RELIEF VALVE OPENED APPROPRIATELY; HOWEVER, THE PILOT ON THE RELIEF VALVE FAILED TO RESET CAUSING GAS TO VENT TO ATMOSPHERE.

PHMSA trend classification: not significant, not serious.

PHMSA standardized cause: EQUIPMENT FAILURE — MALFUNCTION OF CONTROL/RELIEF EQUIPMENT.

PHMSA indexed costs: $9,655 reported total cost, $8,611.956 in 1984 dollars, $11,069.758 in current-year dollars.

PHMSA trend flags, standardized causes, and indexed costs are analytical fields added to operator-reported incident data. They do not represent final agency causal findings.
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