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The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by Strathclyde researchers, including by researchers from the Physical Activity for Health Group based within the School of Psychological Sciences & Health. Research here seeks to better understand how and why physical activity improves health, gain a better understanding of the amount, intensity, and type of physical activity needed for health benefits, and evaluate the effect of interventions to promote physical activity.

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Rn-222 in the water distribution system of Tucson, Arizona

Kalin, R.M. and Smith, B.D. and Long, A. (1996) Rn-222 in the water distribution system of Tucson, Arizona. Journal of the American Water Resources Association, 32 (3). pp. 629-635. ISSN 1093-474X

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Abstract

A study of Rn-222 concentrations in the water distribution system of Tucson, Arizona, revealed levels of 60 to 1260 pCi/L in domestic waters. These measurements are comparable to levels of between 80 and 1400 pCi/l for Rn-222 found in ground water samples in the North-Central Tucson basin (Kalin et al., 1994). Estimated loss of Rn-222 due to radioactive decay during travel from the well head to the home ranges from 8 to 50 percent.