You must be joking right?
Only a fool makes a gamma measurement outside the lead. Please read the Bianchini report. He is very clear about how the readings were taken: UNDER THE LEAD Jones From: Eric Walker Jones Beene wrote: The material from 2004 is irrelevant wrt Rossi Most obviously not. no radiation was observed at levels greater than natural radiation background. No radioactivity has been found also in the Nickel residual from the process. Because of the lead shielding, no doubt. Eric