Well, I very much doubt this "new" evidence. They have had quite a few opportunities to recheck all of his former urine samples, so...why now, why the 1999 sample?
Needless to say, if this is confirmed by a reputable source, I will be extremely dissapointed.
I reckon you leave anything lying around long enough it will start to develop EPO naturally. They questioned Indurain the same way after he left cycling, patern or coincidence? Paper sales, thats al it is.