http://www.lib.uchicago.edu/~dean/float.htm
It's completely temporary, and could go down at any time, but the average radiation rate for the last minute in my basement office is available at the link. The long term average for the geiger counter is about 7.6 microrads / hour. If the rate goes up to 30 or so, it's likely I put a small dixie cup of western Michigan beach sand on it (the sand is enriched in monzanite which has a small amount of thorium in it).
UPDATE: Back up and running: http://dwarmstr.blogspot.com/2011/03/geiger-counter-back-up.html
5 comments:
Steven Lucy has an archive at http://weather.monksofcool.org/radiationarchive/
See nine other posts about my geiger counter here: Search this blog for geiger
Why are we measuring the radiation of the Reg, and should I be concerned?
To counteract the urban legend that the Reg basement is radioactive because of Chicago Pile #1. To look for long-term periods in received cosmic rays. To do an experiment.
If you check, you'll see the levels (7.5uR/hr) are lower than anywhere else I've been: Ryerson roof at 12, apartment building at 20, or cruising altitude at 400.
Geiger counter back up. http://dwarmstr.blogspot.com/2011/03/geiger-counter-back-up.html
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