NEW ORLEANS (AP) - If a new cap is successfully clamped on the Gulf of Mexico oil leak, it will be a week before officials know for sure that the spill is fully contained.
Coast Guard Capt. James McPherson said Saturday that while work on the process is expected to start almost immediately, the operation is not a simple one.
Testing has to be done on the new cap if and when it's in place to make sure it can withstand the pressure of the gushing oil.
BP hopes to remove the old, loose cap starting on Saturday and put the new seal in place within 48 hours. Work crews are racing to take advantage of a week or so of calm weather.
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