MID-CONTINENT FRACTIONATION AND STORAGE, L.L.C.

Incident Narrative

OPERATOR PERSONNEL, WAS COMPLETING DAILY ROUNDS WHEN HE SPOTTED FROST ON THE GROUND. WHEN HE APPROACHED ON FOOT IT SMELLED LIKE NATURAL GASOLINE. PERSONNEL CONTACTED PIPELINE CONTROLLED, PIPELINE CONTROLLER CLOSED REMOVE VALVES ON THE CAVERN, AND CAVERN METER RUN, NOTICED INSTANT PRESSURE DROP. NOTIFICATION WAS MADE TO SUPERVISOR AND ALL WORK WAS SHUTDOWN IN THE FACILITY AND AREA WAS ISOLATED IN ACCORDING TO THE ERG HOT ZONE. LINE WAS EVACUATED TO PREVENT FURTHER LEAK AND LINE BEING AT ZERO POUNDS LEAK STOPPED. AREA OF LEAK WAS EXCAVATED AND EXAMINATION WAS COMPLETED. THE COATING ON THE INCIDENT PIPE WAS A POLYKIN TAPE WRAP AND WAS IN POOR SHAPE DUE TO COATING NO LONGER ADHERED TO THE SURFACE OF THE PIPE. ONCE THE COATING WAS REMOVED, THE SURFACE OF THE PIPE WAS EXAMINED AND CORROSION IN THE FORM OF LIGHT TO HEAVY SURFACE RUST WAS FOUND IN THE 6 O CLOCK POSITION. THE POINT OF THROUGH WALL PENETRATION WAS FOUND IN THE 6 O CLOCK POSITION AT APPROXIMATELY STATION NUMBER 647.9. THE FAILED SECTION OF PIPE WAS CUT OUT, 6 O CLOCK AREA WAS COVERED IN DEPOSITS AND A CHANNEL WHERE SOLIDS IN THE PRODUCT STREAM APPEARS TO HAVE ERODED THE PIPE. IMPACTED SOIL WAS REMOVED FROM THE SPILL ZONE AND IS CURRENTLY BEING LAND FARMED ON OPERATOR'S PROPERTY.