![]() A local resident salvaged materials from a discarded radiation therapy machine containing 6,010 pellets of cobalt-60. Ciudad Juárez cobalt-60 contamination incident. A railway worker who found the source suffered significant exposure. 1982 – Vikhroli, Mumbai, India – An iridium-192 source was lost during transport.Five people died and 13 others were exposed, including one person who suffered ARS. Octo– Baku, Azerbaijan – An individual carried a caesium-137 source in their pocket, exposing several individuals.The worker received a 68 rem (0.68 Sv) whole body dose and a 1.5 Mrem (15 kSv) surface dose (60 krem (600 Sv) at 1-cm depth) to his buttocks. A worker picked it up and carried it in his pocket for 45 minutes before giving it to a manager. J– Los Angeles, California, United States – A 28 Ci (1,000 GBq) iridium-192 source was lost on a job site.After years of negotiation, 119 drums of slightly contaminated waste, holding bricks and sludge from the Singapore furnace, were eventually transported to Western Australia in December 1981 and stored in a bunker at Kambalda. ![]() ![]() Subsequently, caesium-137 radiation contamination was found at a furnace in Singapore which had accepted scrap metal from the Kambalda operation. Novem– Kambalda East, Western Australia, Australia – A density gauge containing caesium-137 at the Kambalda Nickel Operations was discovered to be missing.The grandmother died of radiation injuries, and six members of her family received varying radiation injuries. After 38 days radiation exposure was identified by medical personnel. Two children found it and kept it for several days before giving it to their grandmother, who kept it in the kitchen of her home. – Setif, Algeria – A 25 Ci (920 GBq) iridium-192 source fell off a truck during transport.His wife and child received doses of 17 rad (0.17 Gy) and 10 rad (0.10 Gy) respectively. The supervisor received a whole body dose of 116 rad (1.16 Gy) and required the amputation of two fingers. The source was recognized as lost two days later after workers were shown a replica and it was recovered the same day. He travelled home and placed the source in a cupboard. A construction supervisor later picked up the source and placed it in his shirt pocket. The radiographer did not notice the loss of the source and left the site. Janu– Sasolburg, Free State, South Africa – a 6.7 Ci (250 GBq) iridium-192 source fell out of its container at a construction site. ![]() Six construction workers received doses of 15–130 rem (0.15–1.30 Sv).
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