VALDIR DE SOUZA CARVALHO
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Artigo IPEN-doc 24425 Radioactive waste management Goiânia - São Paulo: 30 years later2017 - SOUZA, D.C.B. de; GERALDO, B.; TESSARO, A.P.G.; ROSTELATO, M.E.C.M.; MARUMO, J.T.; CARVALHO, V.S.; BARBOSA, N.K.O.; VICENTE, R.Considered the largest urban radiological accident in the world, the accident in Goiânia with Cesium-137 resulted in the death of four people and injuries in another 49, besides measurable levels of internal or exter-nal contamination in 129. The accident generated also environmental contamination and thousands of tons of radioactive waste that resulted from the response activities. The accident occurred as a result of the disman-tling of an equipment of radiotherapy by employees of a junkyard. Before the accident was identified, con-taminated materials were sent to recycling companies in the state of São Paulo. The objective of this work was to report the existence of waste from Goiânia accident in the state of São Paulo and to check the estimat-ed activities at the time of the waste conditioning by measuring the current dose rates in waste packages, allowing a refinement of previously applied calculations.Artigo IPEN-doc 24424 Evaluation of Exhaust System for Gaseous Waste from the Source Production Laboratory for Radiotherapy – IPEN2017 - SOUZA, D.C.B. de; COSTA, O.L.; FEHER, A.; GERALDO, B.; CARVALHO, V.S.; BARBOSA, N.K.O.; VICENTE, R.; ZEITUNI, C.A.; ROSTELATO, M.E.C.M.Exhaust systems in fume hood for chemicals and hazardous materials as radioactive substances are of great importance for the protection of the Occupationally Exposed Individual and the environment. They protect against external contam-inations by particulate matter, volatile and against inhalation of radioactive gases. This work intends to evaluate the exhaustion system of the Laboratory of Production of Radioactive Sources at the Nuclear and Energy Research Institute (IPEN).Artigo IPEN-doc 13461 Calibracao de uma camara de extrapolacao PTW em dois sistemas padroes secundarios, com fontes de sup(90)Sr+sup(90)Y2008 - ANTONIO, PATRICIA L.; CARVALHO, VALDIR S.; CALDAS, LINDA V.E.Artigo IPEN-doc 10959 Medicao da dose de radiacao beta absorvida em arranjo experimental para amostras biologicas utilizando TLDs2004 - MANZOLI, J.E.; CARVALHO, V.S.; CERQUEIRA, E.J.G.Artigo IPEN-doc 17123 Development and implementation of an automated system exchange attenuators of the OB85/1 gamma irradiator2011 - SILVA JUNIOR, IREMAR A.; RAMOS, MARCIO A.G.; CARVALHO, VALDIR S.; DINIZ, RAPHAEL E.; CESCON, CLAUDINEI T.; VIVOLO, VITOR; POTIENS, MARIA da P.A.Artigo IPEN-doc 14762 Dependencia angular e energetica de monitores de radioprotecao para medidas de equivalente de dose ambiental para radiacao gama2009 - NONATO, FERNANDA B.C.; CARVALHO, VALDIR S.; DINIZ, RAPHAEL E.; CALDAS, LINDA V.E.Artigo IPEN-doc 14754 Estudo da dependencia energetica de detectores de radiacao gama para sup(137)Cs e sup(60)Co2009 - NONATO, FERNANDA B.C.; DINIZ, RAPHAEL E.; CARVALHO, VALDIR S.; VIVOLO, VITOR; CALDAS, LINDA V.E.Artigo IPEN-doc 15016 Study of the response of radiation protection monitors in terms of H*(10)in x radiation2009 - NONATO, FERNANDA B.C.; CARVALHO, VALDIR S.; VIVOLO, VITOR; CALDAS, LINDA V.E.