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Answer to Question #573 Submitted to "Ask the Experts"Category: Environmental and Background Radiation — Rocks, Minerals, and Mines The following question was answered by an expert in the appropriate field: Q
For the past few years I have been collecting and selling various minerals. Recently I have discovered a very large deposit of Autunite. I have a CDV 700 geiger counter which peaks out with the probe up to 1 inch away from a specimen and the shield open. That's over 30,000 counts/minute. With the shield closed the readings are 2 to 5 mR/Hr. How dangerous is this amount of radioactivity? What would be safe exposure time to this mineral? Thanks, Ron
A
To answer this question, I must address a number of somewhat independent issues. The bottom line will be that you really have nothing to concern yourself about as long as you are not accumulating large quantities of the ore.
Paul Frame, CHP, PhD
Answer posted on 2 January 2001. 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.
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