Radsafers, While the press often exaggerates the effects of radiation exposure, here is an article that gets it right. The reporter, Lee Benson, quotes Blaine Howard, a retired HP. http://deseretnews.com/dn/view/0,1249,650225525,00.html Best regards, Wes Wesley R. Van Pelt, PhD, CIH, CHP Wesley R. Van Pelt Associates, Inc.