anything, boy, have we got a story you need to hear, a man you have to meet and a book you need to read. just in to cnn, new developments tonight in the gulf oil disaster. is day 90. we re receiving word that there are, quote, undetermined anom lees at the well head and that a seep has been detected at a distance from the well. this comes in a letter sent from national incident commander thad allen to bp s chief managing director bob dudley. let s go to the ground. david mattingly is in new orleans. what are these anomalies, seepage, and what is thad allen referring to. how much concern should we have here? reporter: well, thad allen at this point with this letter is not calling off these tests, but he s not asking that they go forward either. so we re waiting to find out exactly where this process is going to go. but he specifically refers to a detected seep, a distance from the well. this is the first we ve heard about this and we know they ve been very acutely watching