Urban and Rural Airborne Particulate Matter: Seasonal Variation of Alpha Activity in Kanyakumari District

All forms of life on earth including man have evolved in the presence of radiation and have always been exposed to them from the natural environment. The health effect from exposure to alpha particles depends greatly on how a person is exposed. If alpha-emitters are inhaled, swallowed, or get into the body through a cut, the alpha particles can damage sensitive living tissue. In this paper, investigations have been made to determine the presence of alpha activity in the air. Hence, the alpha activity was measured by collecting Airborne Particulate Matter (APM) non-simultaneously on Whatman filters from ten sampling sites in Kanyakumari District during the summer and winter seasons using a high volume sampling method. The sampling sites are characterized by different contributions from ore refining factories like Indian Rare Earths (IRE) Limited, mountain areas, some industrial, non-nuclear activities like tiles and brick factories in and around the Kanyakumari district. The alpha activity in airborne particulate matter collected was determined by Alpha Counter and their results were tabulated.

Abstract licence: CC BY-NC-ND

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