accounts. it's supposed to be placed over one of the remaining leaks. if it works it will siphon away about 85% of the oil that's gushing into the gulf. earlier this morning homeland security secretary janet napolitano and on "the daily rundown" on msnbc and spoke about contingency plans if this system doesn't work. >> our plan in terms of preparation for more leak, more oil coming up to the surface of the gulf and heading toward those fisheries, beaches, et cetera, on the shore, the planning and preparations continue as if there were no dome being lowered. >> there was homeland secretary. kristin dahlgren joining us live today. can you give usa timeframe? how soon before it gets down there and how soon before we know if it's really working? >> reporter: the latest from bp, the situation is fluid. they weren't willing to give us