On December 20, 2009, a concerned citizen in Vashon Island, Washington contacted NOAA to report observing a 200 gallon propane tank leaking into the water near Ellis Port Road on Vashon Island. The NOAA Scientific Support Coordinator passed the information on to the USCG Sector Seattle Incident Command Center and notified the Assessment and Restoration Division of NOAA's Office of Response and Restoration.

Note: Documents are posted chronologically and early reports likely contain factual errors. These errors may be corrected in a later report.