ACKNOWLEDGMENTS
We thank the members of ASTM International Committee D22 and the Beryllium Health and Safety Committee (http://www.sandia.gov/BHSC) for their continued involvement and support. Critical review by John Snawder and Rob McCleery is gratefully appreciated.
This article was prepared by U.S. government employees as part of their official duties and legally may not be copyrighted in the United States of America. Mention of company names or products does not constitute endorsement by the Centers for Disease Control and Prevention, the U.S. Departments of Defense and Energy, or their contractors. The contents and conclusions of this report are those of the authors and do not necessarily represent the views of the National Institute for Occupational Safety and Health.