The risk model of Biological Effects of Ionising Radiation Committee VII for exposure to low-level radiation predicts that about one (red star) out of 100 people would likely develop solid cancer or leukemia from a single exposure of 100 mSv above background. About 42 additional people (yellow circles) in the same group would be expected to develop solid cancer or leukemia from other causes in a lifetime. Roughly half of these cancers would result in death. Modified and adapted from Committee to Assess Health Risks from Exposure to Low Levels of Ionizing Radiation; Nuclear and Radiation Studies Board, Division on Earth and Life Studies, National Research Council of the National Academies. Health Risks From Exposure to Low Levels of Ionizing Radiation: BEIR VII Phase 2. Washington, DC: The National Academies Press; 2006 (ref.