those are things we need to learn. regarding the total volume of mud that we pumped in, it will vary on whether or not we are pumping into the casing or the anulus as well. we need pressure readings and there are various lines to describe how much volume and pressure there is if you had the casing and the anulus and filling it up or just dealing with the casing. there are charts and automatic pressure readings on screens launched by the senior leadership up there and i'll be joining them when i finish the briefing here as that moves forward. >> from the ap. how serious was this leak and how long do you think it's going to be before the actual test begins? >> the leak involved two valves that are on the kill side of the capping stack. and they started to lose