Radon is a naturally occurring radioactive gas produced from the decay of uranium in the earth’s crust. Its presence is ubiquitous at the earth’s surface even though its production, and consequently its concentration, are not uniform. Radon can infiltrate into buildings basically through cracks and other routes of entry in the basement. Also, since it is heavier than air, it tends to concentrat...

Typically, strong earthquakes do not occur over the entire territory of seismically active region. Recognition areas where they may is a critical step in seismic hazard assessment studies. For half century, Earthquake-Prone Areas (EPA) approach, developed by famous Soviet academicians I.M. Gelfand and V.I. Keilis-Borok, was used to recognize prone earthquakes. modern development ideas that form...

National legislation, which implements European Council Directive 96/29/EURATOM in Ireland, sets a reference level of 400 Bq m(-3) averaged over any 3 month period for radon exposure in the workplace and also empowers the Radiological Protection Institute of Ireland to direct employers to have radon measurements carried out. This legislation came into effect in May 2000. Radon measurements have...

The representation of a function by its circular Radon transform (CRT) and various related problems arise in many areas of mathematics, physics and imaging science. There has been a substantial spike of interest towards these problems in the last decade mainly due to the connection between the CRT and mathematical models of several emerging medical imaging modalities. This paper contains some n...

There is warranted interest in assessing the association between residential radon exposure and the risk of childhood cancer. We sought to evaluate the association between residential radon exposure and the incidence of childhood lymphoma in Texas. The Texas Cancer Registry (n = 2147) provided case information for the period 1995-2011. Denominator data were obtained from the United States Censu...