[ RadSafe ] query for RadSafe ... radiation from tailings pile

Rees, Brian G brees at lanl.gov
Mon Sep 13 10:37:09 CDT 2010

As long as the covering is sufficient to hinder the radon gas migration... there are protocols to test that. 

Brian Rees

-----Original Message-----
From: radsafe-bounces at health.phys.iit.edu [mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of Miller, Mark L
Sent: Monday, September 13, 2010 9:18 AM
To: 'radsafe at health.phys.iit.edu'
Subject: [ RadSafe ] query for RadSafe ... radiation from tailings pile

Assuming that the U-tailings are covered (and even if they are not) the gamma radiation coming from the tailings are likely to be indistinguishable from background within several hundred yards from the pile itself (self-shielding, geometry, soil cover, rock cover, etc).  The larger potential is for the migration of radon gas that the tailings emit.  If they are covered, this is a non-issue.  Finally, if the tailings are NOT covered, the larger issue is environmental spread via wind and water.
Mark Miller

-----Original Message-----
From: Mark Sonter [mailto:sontermj at tpg.com.au] 
Sent: Thursday, September 09, 2010 6:32 PM
To: radsafe at health.phys.iit.edu
Subject: [ RadSafe ] query for radsafe

Hi -

Does anyone out there in RadsafeLand have any simple 'rule of thumb' or 
formula for estimating roughly the skyshine (sky scattered gamma) from a 
large area of irradiating surface such as a uranium tailings deposit, 
given area of deposit, radium content in it, and horizontal distance 
from deposit to receptor point?

Mark Sonter

Mark Sonter

Radiation Advice & Solutions Pty Ltd,   abn 31 891 761 435
Asteroid Enterprises Pty Ltd,   abn 53 008 115 302

116 Pennine Drive, South Maclean, Queensland 4280, Australia

Phone / fax  (07) 3297 7653   Mobile 0412 433 286

"Keep everything as simple as possible, but no simpler"  - A. Einstein

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