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1996 San Juan de Dios radiotherapy accident

1996 in Costa Rica1996 industrial disastersCosta Rica stubsEnvironmental disaster stubsMan-made disasters in Costa Rica
Radiation accidents and incidents
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The radiotherapy accident in Costa Rica occurred with the Alcyon II radiotherapy unit at San Juan de Dios Hospital in San José, Costa Rica. It was related to a cobalt-60 source that was being used for radiotherapy in 1996. An accidental overexposure of radiotherapy patients treated during August and September 1996 was detected. During the calibration process done after the change of 60Co source on 22 August 1996, a mistake was made in calculating the dose rate, leading to severe overexposure of patients. The error of calibration was detected on 27 December 1997. In the course of the accident, 114 patients received an overdose of radiation and 13 died of radiation-related injuries.In 2001, the radiophysicist whose mistake caused the radiation overdoses was charged with 16 culpable homicides and sentenced to six years in prison.

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1996 San Juan de Dios radiotherapy accident
Avenida 4 Monseñor Castro Jiménez, San José

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N 9.9325 ° E -84.084722222222 °
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Avenida 4 Monseñor Castro Jiménez 0003
10103 San José
Costa Rica
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San José, Costa Rica
San José, Costa Rica

San José (Spanish: [saŋ xoˈse]; meaning "Saint Joseph") is the capital and largest city of Costa Rica, and the capital of the province of the same name. It is in the center of the country, in the mid-west of the Central Valley, within San José Canton. San José is Costa Rica's seat of national government, focal point of political and economic activity, and major transportation hub. San José Canton's population was 288,054 in 2011, and San José's municipal land area is 44.2 square kilometers (17.2 square miles), with an estimated 333,980 residents in 2015. Together with several other cantons of the central valley, including Alajuela, Heredia and Cartago, it forms the country's Greater Metropolitan Area, with an estimated population of over 2 million in 2017. The city is named in honor of Joseph of Nazareth. Founded in 1736 by order of Cabildo de León, the population of San José rose during the 18th century through the use of colonial planning. It has historically been a city of strategic importance, having been the capital of Costa Rica three times. More than a million people pass through it daily. It is home to the Museo Nacional de Costa Rica, the National Theatre of Costa Rica, and La Sabana Metropolitan Park. Juan Santamaría International Airport serves the city. San José is notable among Latin American cities for its high quality of life, security, level of globalization, environmental performance, public service, and recognized institutions. According to studies on Latin America, San José is one of the safest and least violent cities in the region. In 2006, the city was appointed Ibero-American Capital of Culture. According to The MasterCard Global Destinations Cities Index 2012, San José is the sixth-most visited destination in Latin America, ranking first in Central America. San José ranked 15th in the world's fastest-growing destination cities by visitor cross-border spending. It is considered a "Beta-" global city by GaWC. San José joined the UNESCO Global Network of Learning Cities in 2016.