Coast Guard and other response personnel look down at absorbent pads and booms at the outflow point of Four Mile Run as part of a response to a Jet A aviation fuel spill at Ronald Reagan Washington National Airport Friday, Oct. 30, 2015. A safety zone was established with a 1,500-yard radius from source after watchstanders at Coast Guard Sector Baltimore received a report from the National Response Center of approximately 8,000 gallons of unaccounted jet fuel with some reaching the Potomac River. (U.S. Coast Guard photo by Petty Officer 2nd Class David R. Marin)