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30 July 2010

Answer to Question #2127 Submitted to "Ask the Experts"

Category: Doses and Dose Calculations — Internal dose calculations

The following question was answered by an expert in the appropriate field:

I am working on a study about the history of internal contamination with ²⁴¹Am. Can you advise me about any Web sites or other source where some cases will be described or where could I find any information?

Dr. Ron E. Filipy, United States Transuranium and Uranium Registries (USTUR), suggests you go to the USTUR Web site for some references on ²⁴¹Am. He also suggests you look at Health Physics, Volume 49, an initial report of USTUR case 246, the Hanford Americium Case, and Volume 69 which has several more papers about case 246. A paper about another USTUR americium case is in Volume 84 of Health Physics. The individual in this report is still alive and has been the subject of extensive urinalyses and whole-body counting since the time of his intake.

Dr. Filipy also notes that since the question is from the Czech Republic, the questioner might want to contact Irina Malatova in Prague. She is one of the foremost experts on americium. She is at the National Radiation Protection Institute, Srobarova 48, 100 00 Praha 10, Czech Republic. Her phone: 4202-67082611.

In Finland the americium expert is Tua Rahola, who has some americium information on her Web site.

Dr. Genevieve Roessler suggests that the Environmental Protection Agency has some basic information on its Web site on americium that you might find useful.

Michael G. Stabin, CHP, PhD
HPS Ask the Experts Topic Editor

Answer posted on 9 April 2003. The information and material posted on this Web site is intended as general reference information only. Specific facts and circumstances may alter the concepts and applications of materials and information described herein. The information provided is not a substitute for professional advice and should not be relied upon in the absence of such professional advice specific to whatever facts and circumstances are presented in any given situation. Answers are correct at the time they are posted on the Web site. Be advised that over time, some requirements could change, new data could be made available, or Internet links could change. For answers that have been posted for several months or longer, please check the current status of the posted information prior to using the responses for specific applications.