Fallout distribution in Padua and Northeast Italy after the chernobyl nuclear reactor accident |
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| Institution: | 1. Department of Biology and Biotechnology ‘L. Spallanzani’, Via Ferrata 9, 27100 Pavia, Italy;2. Department of Chemistry, Viale Taramelli 12, 27100 Pavia, Italy;3. Plant Cell Biotechnology Laboratory, Instituto de Tecnologia Química e Biológica António Xavier (ITQB NOVA), Avenida da República, Estação Agronómica Nacional, 2780-157 Oeiras, Portugal;4. Department of Earth and Environmental Sciences, Via S. Epifanio 14, 27100 Pavia, Italy;5. Department of Earth and Environmental Sciences, Via S. Epifanio 14, 27100 Pavia, Italy;1. Division of Ethnopharmacology, Entomology Research Institute, Loyola College, Chennai 600034, Tamil Nadu, India;2. Sri Paramakalyani Centre for Environmental Sciences, Manonmaniam Sundaranar University, Alwarkurichi, Tirunelveli 627 412, Tamil Nadu, India;3. Teeth “N” Jaws Center, Lake Area, Chennai 600034, Tamil Nadu, India;4. Division of Microbiology and Immunology, Pondicherry Centre for Biological Sciences, Pondicherry 605005, India;5. Department of biological sciences, School of science, King Faisal University, Saudi Arabia;1. Universidad de Castilla La Mancha, Escuela de Ingeniería Industrial, Toledo, Spain;2. Universidad Autónoma de Nuevo León, Facultad de Ingeniería Mecánica y Eléctrica, Monterrey, Mexico;1. Department of Neurosurgery, Riverside University Health System, United States;2. Department of Neurosurgery, Arrowhead Regional Medical Center, United States;3. Touro University California, College of Osteopathic Medicine, United States;4. California Baptist University, Health Science, United States;5. Department of Neurosurgery, Kaiser Permanente Los Angeles Medical Center, United States;1. Student’s Scientific Research Center (SSRC), Tehran University of Medical Sciences, Tehran, Iran;2. NeuroImaging Network (NIN), Universal Scientific Education and Research Network (USERN), Tehran, Iran;3. Department of Neurology, Mayo Clinic, Rochester, MN, USA;1. University of Cagliari, Department of Civil and Environmental Engineering and Architecture, Via Marengo 2, 09123 Cagliari, Italy;2. University of Cagliari, Department of Chemical and Geological Sciences, University Campus of Monserrato, SP 8, km 0.700, 09042 Monserrato CA, Italy;3. University of Cagliari, Department of Physics, University Campus of Monserrato, SP 8, km 0.700, 09042 Monserrato CA, Italy |
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| Abstract: | The radioactive cloud from the Chernobyl nuclear reactor accident arrived in northeast Italy on 30 April 1986. Ground-level air activities detected in Padua reached maximum values of 28·6, 19·2, 3·3, 1·7 and 7·5 Bq m−3 for 131I, 132Te(132I), 137Cs and 103Ru, respectively, on 1 May; about 10 days later, the activities had fallen to less than 1% of peak values. Considerations of cloud homogeneity are reported.The distribution of fallout radionuclides in Padua was evaluated on the basis of radioactivity detected on natural surfaces. The average committed dose equivalent to the thyroid for adult people in Padua through 131I inhalation was estimated at 0·37 mSv. Soil activity was monitored daily in samples collected in Padua during the first weeks of May 1986. Fallout deposition over northeast Italy was measured on 75 surface soil samples collected during June 1986 and long-lived radionuclide distribution maps were derived. |
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