>> caller: that has not been determined. that will be under investigation. >> let's do 0 a little bit more on this, associate professor jean beck from texas a&m is on the line with us right now. what do you know about this particular rig? >> caller: i don't know anything about this particular rig. i'm just trying to look at some of the information. i was just notified of this just a few minutes ago. you know, it's just on the surface from what i'm looking at, you know, there's a low numb of people on the rig. 12 to 13 people. it's in shallower water, 450 feet of water. the gentleman from the coast guard referred to it as a platform. which would tell you it's not a floating vessel, it's bottom-supported. that would all mean that you know, the leak and the explosion and the containment, the blow-out preventers and everything that would be on the rig would be probably up on the platform, as owe potioned to