Division of Spill Prevention and Response


M/V Excellence Ammonia Release

Incident Description

Location Kloosterboer North Dock, Dutch Harbor Alaska. Dutch Harbor lays approximately 800 air miles Southwest of Anchorage on the Aleutian Chain.
Product/Quantity 20,000 pounds of anhydrous ammonia. This volume estimate was confirmed by the captain of the M/V Excellence after entrance of the UNISEA HAZMAT team into the engine space.
Cause The cause of the release has not been determined, and is under investigation by the USCG and the Federal Occupational Safety and Health Administration (OSHA). Both investigation teams are waiting for the engine space to be certified “Safe for Entry” by the Marine Chemist.
Time/Date of Incident 12:15 p.m. on July 6, 2012, The National Response Center notified ADEC by email of the incident.
Situation Reports
07/12/2012 (PDF 284K) -- FINAL
07/08/2012 (PDF 245K)
07/07/2012 (PDF 645K)
For more information

Steven Russell, ADEC, (907) 262-3401