The Civil Police are investigating the theft of two sources Cesium-137 in a mining company located in Nazareno, Minas Gerais. The case also came to the attention of the National Nuclear Energy Commission (CNEN), the body responsible for regulating and overseeing nuclear activities in the country.

According to information provided by mining company AMG, the equipment was reported missing on June 29, prompting the company to take immediate action. The police were called, a police report was drawn up and the supervisory authorities were notified.

In an official note, AMG expressed its deep regret about the possible fears that this incident may cause in neighboring communities. The company reaffirmed its commitment to the safety and well-being of all and assured that it is making every effort to resolve the situation as soon as possible.

Given the severity of the incident, CNEN teams are due to arrive in the city this Wednesday (5) to cooperate with the investigation and provide advice on proper security procedures.

The stolen fountains are made of caesium-137 and have a ceramic material construction. They are carefully sealed with layers of stainless steel and protected on the outside by a stainless steel impact shield. With an individual activity of 5 mCi (iodine-containing contrast agents), these sources are commonly used in density measurement instruments.

According to the risk classification, they are considered low risk, receiving a classification of 5. MCIs are compounds that contain iodine as a radiopaque element and are used to increase the sensitivity and specificity of radiographic images when injected into the body.

Human risks

The mining company clarified that when used properly in pulp density meters, these sources do not pose a significant risk. However, improper handling can pose a health hazard.

Despite being sources of caesium-137, the activity of these sources is about 300,000 times less than the activity of the tragic Goiania accident in September 1987, which is considered the largest radiological disaster ever recorded, according to CNEN.

The Commission also stressed that these sources are classified by the International Atomic Energy Agency (IAEA) as non-dangerous. However, it is essential to continue the search for their detection in order to avoid unnecessary exposure and ensure the safety of the public.

In this context, the authorities undertake to investigate the theft of caesium-137 sources and take all necessary measures to ensure nuclear safety as well as protect public health. Cooperation between the civilian police, mining company AMG and CNEN is essential to resolve this case and minimize the possible consequences associated with this incident.

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Source: CNN

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