From the NY TIMES
"...“It’s not that all granite is dangerous,” said Stanley Liebert, the quality assurance director at CMT Laboratories in Clifton Park, N.Y., who took radiation measurements at Dr. Sugarman’s house. “But I’ve seen a few that might heat up your Cheerios a little.” ..."
http://www.nytimes.com/2008/07/24/garden/24granite.html?no_interstitial
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wash your hands before returning to work : lavarse sus manos antes de regresar a trabajar
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