Abstract
Many of industrial radiological accidents are related to industrial gamma radiography, which makes this practice the highest potential risk for human health. More than 80 radiological accidents occurred in the world that includes 6 Brazilian accidents with Cutaneous Radiation Syndrome. From 1985 to 2000 five Brazilian accidents happened with 192 Ir and one with 60 Co radioactives sources. Nineteen members of the public and 8 radiographers were involved. All of them suffered severe hands and fingers injuries. Brazilian accidents were analyzed showing the main causes, the consequences for workers, estimated radiation doses and main lessons learned. This paper describes a detailed summary of each radiological accident in industrial gamma radiography occurred in Brazil.
Highlights
Industrial radiography is one of the non-destructive inspection methods widely used in the evaluation of ferrous and non-ferrous materials welds, castings and forgings, where the quality requirements of the industrial sector are necessary to avoid discontinuities in parts, components, equipment, etc
This paper describes each radiological accident in industrial gamma radiography occurred in Brazil
MATERIALS AND METHODS A detailed analysis of 6 Brazilian radiological accidents with Cutaneous Radiation Syndrome in industrial radiography was performed based on published papers, thesis and reports
Summary
Industrial radiography is one of the non-destructive inspection methods widely used in the evaluation of ferrous and non-ferrous materials welds, castings and forgings, where the quality requirements of the industrial sector are necessary to avoid discontinuities in parts, components, equipment, etc This method uses radioactive sources of 60Co, 75Se and especially 192Ir [1]. IAEA published three Latin America reports: Peru (1999), Bolivia (2002) and Chile (2005) In these events only members of the public were involved. PERU (1999): A welder picked up a 192Ir radioactive source, with 1.37 TBq of activity, used in industrial gamma radiography and left it in his pants pocket for several hours He received a high localized radiation dose and had his leg amputated. This paper describes each radiological accident in industrial gamma radiography occurred in Brazil
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