For what it's worth, as far as I can tell, the origin of this general rule was Glenn Seaborg's common sense approach for the plutonium labs during the Manhattan Project. See the
1998 JCHAS article "Working Safely at the Frontiers of Science"
http://www.dchas.org/chs-information/historical-information/67-working-safely-at-the-frontiers-of-science
for more information.
- Ralph
Ralph Stuart CIH
Chemical Hygiene Officer
Department of Environmental Health and Safety
Cornell University
rstuart**At_Symbol_Here**cornell.edu
Previous post | Top of Page | Next post