SUNOCO PIPELINE L.P. — Hazardous liquid — incident on 2015-03-01

Hazardous liquid incident in ASTON, DELAWARE County, PA. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 0.12 REFINED AND/OR PETROLEUM PRODUCT (NON-HVL) WHICH IS A LIQUID AT AMBIENT CONDITIONS released, $500 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: 20150095.

Operator ID: 18718.

Reported incident date: 3/1/2015 18:00.

Location detail: 0+00

Cause detail: THREADED CONNECTION/COUPLING FAILURE

Cause detail: A QUALITY ASSURANCE SPECIALIST WORKING AT TWIN OAKS PUMP STATION REPORTED TO THE CONTROL CENTER THAT THERE WAS A PRODUCT (ULSD) LEAK AT PUMP UNIT #2. CONTROL CENTER SHUT DOWN PUMP UNIT #2. INCIDENT NOTIFICATIONS WERE MADE. RESPONDERS RECOVERED ULTRA LOW SULPHUR DIESEL (ULSD) FROM PUMP UNIT #2 CONTAINMENT PAN. THE LEAK POINT WAS IDENTIFIED AT A THERMAL RELIEF VALVE THREADED 1/4" NPT CONNECTION (INLET SIDE). THE PARTS AT THE LEAK POINT WERE REMOVED AND REPLACED WITH PIPING AND A LARGER THERMAL RELIEF VALVE.

PHMSA trend classification: not significant, not serious.

PHMSA standardized cause: EQUIPMENT FAILURE — THREADED CONNECTION/COUPLING FAILURE.

PHMSA indexed costs: $3,515 reported total cost, $1,763.359 in 1984 dollars, $4,342.61 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.