A new high‐intensity radiation development laboratory (HIRDL), equipped to carry out experimental programs with radiation sources in the million‐curie range, was dedicated on November 22 at the Brookhaven National Laboratory. The $1.85‐million facility was established as a part of the Atomic Energy Commission's Radiation Development Center at Brookhaven, where it is housed in a laboratory building that has been under construction for the past three years.