COLONIAL PIPELINE CO

Incident Narrative

AT APPROXIMATELY 07:30 AM EST THE LEAD OPERATOR ENTERED THE CONTROL ROOM PARKING LOT AND SMELLED ODORS. UPON FURTHER INVESTIGATION, HE DISCOVERED PUDDLES OF PRODUCT AND WATER OVER THE LINE 01 PROVER LOOP AND IMMEDIATELY ADJACENT TO THE COMPACT PROVER. THE ATLANTA AREA RECEIVED HEAVY AMOUNTS OF RAIN THROUGHOUT SUNDAY NIGHT AND INTO MONDAY MORNING THAT HAS CREATED SEVERAL FLOODED AREAS IN THE YARD. THE FLOODED AREAS OF THE YARD BY THE LINE 02 METER RUN AND L2 PROVER ALSO HAD A VISIBLE SHEEN. ALL LINES INTO AND OUT OF ATLANTA WERE SHUT DOWN AND THE YARD DRAIN OIL WATER SEPARATOR WAS ISOLATED BY CLOSING THE INLET AND OUTLET VALVES. THE LEAD OPERATOR NOTIFIED THE OPERATIONS MANAGER AT 07:35 WHO THEN NOTIFIED THE DISTRICT DIRECTOR OF OPERATIONS AND DISTRICT ENVIRONMENTAL MANAGER. AN INVESTIGATION TO DETERMINE THE SOURCE OF THE PRODUCT WAS INITIATED BY EXCAVATING OVER THE LINE 01 PROVER LOOP. AFTER 27.5 HOURS OF EXCAVATION, THE SOURCE WAS IDENTIFIED AS A PIN HOLE AT THE 6 O'CLOCK IN THE 3 INCH LINE THAT RUNS FROM THE YARD AND PROVER SUMPS TO THE GASOLINE TRANSFER CAN PUMP WHICH RAN UNDER THE LINE 01 PROVER LOOP. DUE TO PRODUCT TYPE, OUTGOING LINES WERE ABLE TO BE STARTED ONE BY ONE, PRIOR TO THE DISCOVERY OF THE SOURCE. A 14 INCH SECTION OF THE SUBJECT 3 INCH LINE WAS REMOVED AND REPLACED. A TOTAL OF 369 GALLONS IS ESTIMATED TO HAVE BEEN RELEASED: 20 GALLONS OF TRANSMIX WAS RECOVERED USING DIAPERS ON THE PUDDLES IN THE YARD. ANOTHER 241 GALLONS OF TRANSMIX WAS RECOVERED THROUGH VACUUM EXTRACTION IN THE EXCAVATION AND WELLS. 108 GALLONS WAS CONTAINED IN THE SOIL THAT WAS EXCAVATED AND WILL BE DISPOSED OF ONSITE. 5 DRUMS OF ABSORBENTS WAS GENERATED AND WILL BE SENT OFF FOR RECYCLING. VACUUM EXTRACTION WILL CONTINUE FROM 10 HAND AUGER HOLES PLACED IN THE YARD. FINAL TOTALS WILL BE COMMUNICATED ONCE VACUUM EVENTS ARE COMPLETE. POTENTIAL IMPACT TO GROUND WATER WAS REPORTED TO THE GEORGIA EPD EMERGENCY HOTLINE, OPERATOR #130, AT 11:25, NOVEMBER 2, 2015 WITH AN UNKNOWN QUANTITY. COLONIAL WAS ASSIGNED CTS# 78206. DUE TO FINANCIAL LIMITS, NOTIFICATION WAS MADE TO NRC ON NOVEMBER 4, 2015 AT 17:59 WITH A 300 GALLON ESTIMATED QUANTITY RELEASED. COLONIAL WAS ASSIGNED INCIDENT REPORT 1132585 AND AN ADDITIONAL GA EPD CTS# 78243. UPDATE 7/26/16: SINCE THE INITIAL REPORT, 2747 GALLONS OF PRODUCT HAVE BEEN RECOVERED WITH VACUUM EXTRACTION EVENTS AND BY HAND BAILING. 4 GALLONS WERE DERTERMINED TO BE IN THE EXCAVATED SOIL. 20 GALLONS WERE RECOVERED USING SORBENTS AT THE TIME OF THE INITAL RELEASE. TOTAL PRODUCT ESTIMATED TO BE RELEASED FOR THE EVENT IS 2771 GALLONS. SOIL WAS DISPOSED OF ON SITE AT ATLANTA JUNCTION'S PERMITTED LAND FARM. PETROLEUM CONTACT WATER WAS SENT TO TREATMENT AT AQUA TERRRA, IN OXFORD, GA. AT THIS POINT, ACCIDENT RESPONSE CONSISTS ONLY OF LONG-TERM REMEDIATION AND/OR GROUND WATER MONITORING WHICH IS BEING CONDUCTED UNDER THE AUSPICES OF GEORGIA ENVIRONMENTAL PROTECTION DIVISION. AS SUCH, AND AS AUTHORIZED IN THE INSTRUCTIONS FOR FORM PHMSA F 7000-1, COLONIAL INTENDS TO CEASE FILING SUPPLEMENTAL REPORTS AND, INSTEAD, FILE A FINAL FORM PHMSA F 7000-1 REPORT.