SUNOCO PIPELINE L.P. — Hazardous liquid — incident on 2015-07-09

Hazardous liquid incident in CORSICANA, NAVARRO County, TX. Reported cause: CORROSION FAILURE. Reported consequences: 0 fatalities, 0 injuries, 4.5 CRUDE OIL released, $16,451 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: 20150275.

Operator ID: 18718.

Reported incident date: 7/9/2015 9:00.

Location detail: 5311+89

Cause detail: EXTERNAL CORROSION

Cause detail: ON JULY 9, 2015 LOCAL OPERATING PERSONNEL RECEIVED A NOTIFICATION FROM AIR PATROL REPORTING A STAIN ON THE ROW. OPERATING PERSONNEL WERE DISPATCHED TO THE SITE. INVESTIGATION AND SUBSEQUENT EXCAVATION REVEALED A PINHOLE IN TE PIPE. THE LINE SEGMENT WAS SHUT DOWN, A PORTION OF THE PIPELINE WAS PURGED AND NEW REPLACEMENT PIPE WAS INSTALLED. THE PIPELINE WAS RESTARTED ON JULY 12, 2015. THE CONTAMINATED SOIL WAS REMEDIATED ONSITE. THIRD PARTY ANALYSIS OF THE FAILED SECTION OF PIPE WAS COMPLETED WITH NO CONCLUSIVE DETERMINATION OF FAILURE MODE. THE FAILED SECTION OF PIPE WAS RETURNED FROM THE LABORATORY AND SPLP PERFORMED AN IN-HOUSE PRESSURE TEST OF THE SECTION WHICH REVEALED WEEPING OF THE FAILED SECTION AND DETERMINATION WAS MADE THAT THE CAUSE WAS EXTERNAL CORROSION.

PHMSA trend classification: not significant, not serious.

PHMSA standardized cause: CORROSION — EXTERNAL.

PHMSA indexed costs: $41,676 reported total cost, $20,907.467 in 1984 dollars, $51,488.656 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.