Repair crews are closing in on the source of a leak but haven't found it yet, Sam Borries, on-scene coordinator for the U.S. Environmental Protection Agency, said Sunday.

周日，美国环境保护局(u.s. Environment Protection Agency)现场协调员Sam Borries表示，修理人员已经进入泄漏区域但是依然没有找到泄漏源。

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Rear Admiral Landry, who was the federal on-scene coordinator, has naturally rotated back to her position of hurricane preparedness in the Gulf.

WHITEHOUSE: Press Briefing

Obviously any action undertaken by BP to deal with the wellbore and to deal with the well itself requires the signoff of the federal on-scene coordinator.

WHITEHOUSE: Press Briefing

In order for a cut with a diamond saw or a sheer cut to happen, the federal on-scene coordinator, Admiral Watson, has to sign off on that -- Rear Admiral Watson, sorry.

WHITEHOUSE: Press Briefing