SFPP, LP

Incident Narrative

ON 3/13/20, SFPP, LP (KINDER MORGAN) PIPELINE CONTROL BEGAN NOTICING UNANTICIPATED OVERS/SHORTS ASSOCIATED WITH SFPP'S LS 14 IN THE PORTLAND, OR AREA. FURTHER INVESTIGATION RESULTED IN AN NRC POTENTIAL RELEASE NOTIFICATION (CONTROL # 1273468) AT 0105 ON 3/14/20. A FEW HOURS LATER, WET SOIL AND DIESEL ODOR WERE ENCOUNTERED AT PLMP 2.98. AGENCY SPILL NOTIFICATIONS (INCLUDING NRC #1273474 AT 0357) WERE MADE AND RESPONSE EFFORTS INITIATED. THE 48-HOUR PHMSA FOLLOW-UP NRC NOTIFICATION (#1273507) WAS MADE AT 1243 ON 03/14/20 WHICH INCLUDED AN INITIAL RELEASE VOLUME. THE INITIAL FIELD EXAMINATION AND REVIEW OF THE PHOTOGRAPH INDICATE THE ORIGIN OF THE RELEASE AS A CIRCUMFERENTIAL CRACK LOCATED IN A FIELD BEND. THE SECTION OF PIPE WAS SENT TO A METALLURGICAL LABORATORY FOR FURTHER EXAMINATION AND ANALYSIS. THIS REPORT WILL NEED TO BE SUPPLEMENTED. NOTE: PART A, #4: THIS DATE/TIME WAS ESTIMATED BASED ON INFORMATION GATHERED DURING THE INVESTIGATION. NOTE: PART A, #9: ESTIMATED VOLUME OF COMMODITY RELEASED UNINTENTIONALLY: DUE TO THE SITE TOPOGRAPHY AND ACCESS LIMITATIONS FOR COMPLETING SOIL BORINGS, KM'S REMEDIATION GROUP DOES NOT HAVE THE INFORMATION NECESSARY TO GENERATE AN ESTIMATE ANY MORE ACCURATE THAN THE CURRENT PRODUCTS MOVEMENT ESTIMATE OF 68 BBLS. NOTE: PART A, #11 ESTIMATED VOLUME OF COMMODITY RECOVERED: MOST OF THE 16 BBLS RECOVERED WERE IN THE EXCAVATED SOIL. SUPPLEMENTAL/FINAL: METALLURGICAL REPORT RECEIVED WHICH DETERMINED THE CAUSE WAS A CIRCUMFERENTIALLY ORIENTED TRANSGRANULAR STRESS CORROSION CRACK. THE TRANSGRANULAR CRACK PATH IS INDICATIVE OF NEAR NEUTRAL PH STRESS CORROSION CRACKING.