ConocoPhillips Mississippi River Pipeline Release August 6 - October 3, 2003 presented by Tim Ganz, former State On-Scene Coordinator, Missouri Department of Natural Resources Environmental Emergency Response Section ConocoPhillips Mississippi River Pipeline Release • Petroleum sheen reported on August 6, 2003 • Sheen originated approximately 30 yards from the Missouri shoreline in rural St. Charles County • Source of sheen believed to be one of two ten-inch diameter abandoned crude oil pipelines • Source located immediately across the river from ConocoPhillips dock in Hartford, Illinois • Leak source located behind a wing dike, calm water with little current Crude Oil Sheen from South Line - 8/06/03 Crude Oil Sheen from South Line - 8/06/03 Crude Oil Sheen from South Line - 8/06/03 ConocoPhillips Mississippi River Pipeline Release • Pipelines believed to be abandoned in the mid 1940s, although records are incomplete /non- existent • There were no enforceable abandonement standards until 1980 – 49 CFR 195 • Pipelines are “capped” on both sides of the river. • Emergency phase focused on mitigating the leak from the south line and containing / recovering the released petroleum. Abandoned pipelines on Missouri side - 08/06/03 Initial containment of sheen / release - 08/07/03