This website contains information provided and approved by the Unified Command for specific spill incidents. The Unified Command is the group responsible for conducting response operations at the scene of an incident.
Information is posted on the site as it becomes available.
The timing of updates depends on the nature of each spill and resources available to post the material. The date of updates is noted on each page. During rapidly-evolving events, the site might be updated several times per day. In the later phases of a response, the site might be updated once per week. The site is maintained by the Hazardous Materials Response Division, Office of Response and Restoration , National Ocean Service, National Oceanic and Atmospheric Administration, in support of U.S. Coast Guard incident response operations.