This document shares EPA and DOE's comment and responses on shielded container dimensions. See, Attachment included in 6/10/10 correspondence - Diagram of Shielded Containers.
You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.- EPA/DOE Comments/Responses on Shielded Container Dimensions (PDF)(2 pp, 18 K, June 11, 2010)