NUSTAR PIPELINE OPERATING PARTNERSHIP L.P.
hazardous_liquid Incident — — September 16, 2018
Incident Information
| Incident Date | September 16, 2018 |
| Operator | NUSTAR PIPELINE OPERATING PARTNERSHIP L.P. |
| Commodity | HVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 32.63606, -92.51462 |
Cause
| Cause | MATERIAL FAILURE OF PIPE OR WELD |
| Subcause | ENVIRONMENTAL CRACKING-RELATED |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $90,000 |
| Emergency Response | $100,000 |
| Other Costs | $12,000 |
Location Map
Incident Narrative
"AT 1745 ON SUNDAY, SEPTEMBER 16, 2018, A MOTORIST SAW THE RELEASE ON HIS WAY TO WORK. HE NOTIFIED THE LOCAL FIRE DEPARTMENT, WHO CALLED THE NUSTAR CONTROL CENTER. NUSTAR ISOLATED THE SEGMENT OF PIPE, SHUTDOWN THE LINE, RESPONDED TO THE INCIDENT, AND BOTH THE NATIONAL RESPONSE CENTER AND STATE OFFICIALS WERE NOTIFIED. AT 2020, A PHMSA REPRESENTATIVE CONTACTED NUSTAR AND NUSTAR ANSWERED THE PHMSA QUESTIONS. REPAIRS HAVE BEEN MADE AND THE LINE IS BACK IN SERVICE. APPROXIMATELY 311 TONS OF SOIL WERE REMOVED. ACCORDING TO THE FAILURE ANALYSIS, THE FAILURE ""RESULTED FROM CARBONATE-BICARBONATE PROMOTED STRESS CORROSION CRACKING."" ACCORDING TO NACE SP0204-2008, THERE IS A ""HIGH PROBABILITY"" OF SCC OCCURRING IN AREAS WHERE IT HAS PREVIOUSLY BEEN FOUND. THEREFORE, NUSTAR WILL PERFORM DIRECT EXAMINATIONS IN SURROUNDING AREAS OF THE INCIDENT TO FURTHER EVALUATE AND CONFIRM THE THREAT ON THE PIPELINE SEGMENT."
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.