Radon: Prevalence, Measurements, Health Risks and Control by Niren Laxmichand Nagda

By Niren Laxmichand Nagda

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Extra info for Radon: Prevalence, Measurements, Health Risks and Control (Astm Manual Series, Mnl 15)

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F. Schmalz, and E. W. , The Pennsylvania Academy of Science, Easton, PA, 1990, pp. 26-38. [8] Wollenberg, H. A. and Smith, A. , "A Geochemical Assessment of Terrestrial Gamma-Ray Absorbed Dose Rates," Health Physics, Vol. 58, 1990, pp. 183-189. [9] Myrick, T. , Berven, B. , and Haywood, F. ," Health Physics, Vol. 45, 1983, pp. 631-642. [10] Evans, R. , "Engineers' Guide to the Elementary Behavior of Radon Daughters," Health Physics, Vol. 17, 1969, pp. 229-252. , "Solution of a System of Differential Equations Occurring in the Theory of Radio-Active Transformations," Proceedings of the Cambridge Philosophical Society, Vol.

58, 1990, pp. 147-155. , Hayward, S. , Girman, J. , Moed, B. , "Annual Average Radon Concentrations in California Residences," Journal of the Air and Waste Management Association, Vol. 41, 1991, pp. 1207-1212. [53] Sextro, R. S. Environmental Protection Agency, Research Triangle Park, NC, 1991, pp. 3 - 1 0 + . [54] White, S. , Alexander, B. , and Rodman, N. , "Predicting the Annual Concentration of Indoor Z22Rn from One or More Short-Term Measurements," Health Physics, Vol. 66, 1994, pp. 55-62.

25. 9 , 20N "~ -o I 15- ' t- I "-~ 10 :~_ 5 ' I / ~ ~ ~ 150 I ~ ~ 100 ~- I / ' ~ - 0 kk ........ lo 0 , ,~ 50 ~ 16' ........ 46 0 1, Particle size, Dp (nm) FIG. 14-Alpha-activity weighted size distributions and the associated relative lung dose. The solid line is a smoothed average of size distributions measured in three residences [92]. The corresponding dose, shown as the dashed line, is based on an average of the dose conversion coefficients for dose to secretory and basal cells as a function of particle size [931.

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