Frederick C. Conrad

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Nicotine was measured in passenger cabins of Boeing B727-200, B737-200, and B737-300 aircraft in order to estimate the levels of environmental tobacco smoke (ETS) and to assess the effectiveness of smoker segregation as a means of reducing nonsmokers’ exposure to ETS. Integrated sampling was performed a t seats in smoking and no-smoking sections on flights(More)
Problems in the 2000 presidential election, especially in Florida, initiated a large-scale shift toward new voting technology. Using cross-sectional and longitudinal data, we report on the effects of changes in voting systems in Florida and Michigan. The variety of initial conditions and the numerous changes make these excellent case studies. We find that(More)
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