X-Ray dosage is measured relative to total body mass.
As AIT X-Rays are low voltage 25-30KvP, they only penetrate about 1/4" of skin. Because all the x-rays are absorbed in this 1/4", the ACTUAL dose may be 100 times or more than advertised.

Read this letter from renowned scientists in the field:

http://www.npr.org/assets/news/2010/05/17/concern.pdf

Wait for the lawsuits for breast and testicular cancers as well as cataracts.
TSA won't have any legal defense, and will pay pay pay to quiet it down.

Meanwhile - Don't forget to OPT-OUT of the Nude-O-Scopes!
Take the pat-down. Ask for a private room. Make the TSO's work for a living.