TENNESSEE GAS PIPELINE COMPANY

gas_transmission Incident —

Incident Information

Report Date
OperatorTENNESSEE GAS PIPELINE COMPANY
Commodity—
Pipeline Typegas_transmission

Location

State
Coordinates37.91720, -83.98560

Cause

CauseEQUIPMENT FAILURE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

Property Damage
Lost Commodity
Public/Private Damage
Emergency Response
Environmental Remediation
Other Costs

Location Map

Incident Narrative

ON MAY 11, 2020, A LOOSE WIRE ON THE PLC TERMINAL CAUSED A LOSS OF POWER TO THE SAFETY PLC, INITIATING AN ESD AT TENNESSEE GAS PIPELINE'S STATION 106 IN CLAY CITY, KY. THE VOLUME OF GAS VENTED TO ATMOSPHERE WAS BELOW THE PHMSA REPORTABLE THRESHOLD OF 3,000 MCF. HOWEVER, TGP PERSONNEL DISCOVERED LATER THAT DAY THAT A MIST OF COMPRESSOR LUBRICATING OIL AND PIPELINE DISTILLATE WAS RELEASED WITH THE NATURAL GAS. WIND CAUSED THE MIST TO TRAVEL TO SURROUNDING PROPERTIES RESULTING IN A VERY LIGHT COATING ON RESIDENCES. THE NEXT DAY, MAY 12, 2020, IT WAS DETERMINED THAT THE COST OF CLEAN-UP WOULD EXCEED THE PHMSA REPORTABLE AMOUNT OF $50,000 AND THE OCCURRENCE WAS REPORTED TO THE NRC AS A PIPELINE INCIDENT. CLEAN-UP WAS COMPLETED LATER THAT SAME WEEK. A 48-HOUR UPDATE WAS PROVIDED TO THE NRC ON MAY 14, 2020, REPORT #1277250. THIS OCCURRENCE WAS ONLY REPORTABLE AS A PHMSA INCIDENT BECAUSE OF THE COST OF CLEAN-UP OF SURROUNDING PROPERTIES.

About This Pipeline Incident

Pipeline incident data is reported to the Pipeline and Hazardous Materials Safety Administration (PHMSA). All significant incidents involving fatalities, injuries, or property damage over $50,000 must be reported.

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