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Cobalt-60 leak traced to Delhi University

Cobalt-60 leak traced to Delhi University
PTI
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First Published: Wed, Apr 28 2010. 11 58 PM IST
Updated: Wed, Apr 28 2010. 11 59 PM IST
New Delhi: The origin of radioactive Cobalt-60 found in west Delhi’s Mayapuri, which led to the death of one person, has been traced to Delhi University’s chemistry department where it was lying unused for the last 25 years.
The Cobalt-60 was in a “gamma irradiator”, which was bought in 1968 from Canada and was not in use since 1985, police said on Wednesday adding it was bought by scrap dealers in Mayapuri through an auction in February this year. “We have traced the radioactive material to Delhi University’s Chemistry Department. One of the equipment the scrap dealers bought was (the) gamma irradiator,” joint commissioner of police (Southern Range) Ajay Kashyap said. The scrap dealers dismantled the equipment and in the process, the lead covering on it was peeled off, leading to radiation exposure, Kashyap said.
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First Published: Wed, Apr 28 2010. 11 58 PM IST