The Commander of the US Army Corps of Engineers, Lieutenant Colonel James Hoyman and a team of seven, has been in the territory looking at sites that the military used.
The American Samoa Power Authority has said that because of the seepage of oil at the site where the naval tanks used to be, any infrastructure or utility projects in the area would require a lot more funding.
ASPA has asked that the Department of Defense provide funding to mitigate the contamination.
But the US Army Corps has said no evidence to prove ASPA's position.
