# QUESTAR PIPELINE COMPANY — Gas transmission and gathering — incident on 2011-05-11

- **operation:** document
- **citation:** PHMSA Report 20110168
- **title:** QUESTAR PIPELINE COMPANY — Gas transmission and gathering — incident on 2011-05-11
- **source type:** incident
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** 2011-06-06
- **effective on:** 2011-05-11
- **summary:** Gas transmission and gathering incident in VERNAL, UINTAH County, UT. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 16400 NATURAL GAS released, $200 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 VERNAL, UINTAH County, UT. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 16400 NATURAL GAS released, $200 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: 20110168.

Operator ID: 12874.

Reported incident date: 5/11/2011 1:18.

Cause detail: MALFUNCTION OF CONTROL/RELIEF EQUIPMENT

Cause detail: A FUSE FAILED THAT CAUSED TWO 2" VENT VALVES TO OPEN AND VENT GAS TO THE ATMOSPHERE.

PHMSA trend classification: not significant, not serious.

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

PHMSA indexed costs: $68,600 reported total cost, $48,047.04 in 1984 dollars, $59,325.624 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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