Other

Types of facilities

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Spill of High-Enriched Uranium Solution

In a facility authorized to process high-enriched uranium (HEU), a glovebox enclosure containing bag filters was connected to a transfer line for HEU solution when a new process system was first constructed. The facility operator decided not to use the filter glovebox enclosure when it began processing HEU solution in the new process system but left the enclosure connected to the HEU transfer line. Before the event, a system diagram was updated and mistakenly indicated that a sample valve was a ball valve.

Category: Other United States of America »

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Overexposure of a worker at the Frederic Joliot hospital section in Orsay (91)

On 10 March 2005, a worker was subjected to a radiation overexposure during the production process of a radiopharmaceutical containing Fluor 18. Having noted a dysfunction in the automated manufacturing process, a worker has performed an inadequate manual operation, which led to the contamination of his body and clothes. This contamination induced an overexposure of his right forearm.Premininary results show that the exposure has exceeded the regulatory limit set to 500 mSv for local exposure of forearms.

Category: Other France »

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Event at a Studsvik laboratory producing radioactive sources

On September 20 2004, an event occurred at a laboratory at Studsvik in which radioactive sources are produced. Rebuilding another part of the laboratory building resulted in problems with keeping underpressure in the laboratory. This led to contamination with Ir-192 of the laboratory and a conduit connected to the laboratory.

Category: Other Sweden »

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Occupational Overexposure of Nuclear Pharmacist Trainee

On May 25, 2004, the Nuclear Regulatory Commission was informed of the occupational overexposure to a nuclear pharmacist trainee in the State of South Carolina. The licensee’s consultant determined that the nuclear pharmacist trainee received a shallow dose equivalent of 7,400 mGy, a deep dose equivalent of 70 mSv and a thyroid dose of 0.9 mSv. The overexposure occurred on March 17, 2004, when the nuclear pharmacist trainee spilled a vial containing liquid iodine-131 while preparing a radiopharmaceutical.

Category: Other United States of America »

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Incidents of Radioactivity in Consumer Products

Three incidents of radioactivity in consumer products were brought to the attention of the Radiation Protection authorities in Canada. The products involved were stainless-steel thermoses, canisters and watch bands. The components found to be contaminated with cobalt-60 were the clips holding the handles to the thermos body, the ring holding the canister lid in place and the spindles (pins) in metal watch bracelets. The contaminated watches and thermoses originated in the People's Republic of China. The origin of the canister is unknown.

Category: Other Canada »

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Occupational Overexposure to Workers

On November 7, 2003, the Kansas Department of Health and Environment reported that two employees of a chemical laboratory licensee may have received intakes of carbon-14 (C-14) resulting in potential radiation doses that exceed the regulatory limit. The intakes occurred as a result of a leaking ampoule containing C-14 in benzene. The flame-sealed glass ampoule contained 9.3 GBq (252 millicuries) of C-14 in 221 microliters of benzene which was being

Category: Other United States of America »

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Radiation Overexposure of an Industrial Radiographer

An industrial radiographer received radiation doses to his whole body and extremity that were in excess of regulatory limits. On September 9, 2003, an industrial radiographer and a radiographer's assistant conducted radiography operations and they were unknowingly exposed to radiation when a 0.762 TBq (20.6 Ci) iridium-192 source did not properly return to its shielded position. The equipment involved was Technical Operations (currently Sentinel), Model 660B radiography device containing 20.6 curies of iridium-192.

Category: Other United States of America »

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FAILURE OF FIXED GAUGING DEVICE RESULTING IN RADIATION EXPOSURE TO MEMBERS OF THE PUBLIC

Members of the public (facility workers) received radiation exposures due to a loss of control of a 37 GBq (1Ci) Cs-137 source that came out of a damaged Berthold level gauge (model LB 7442). The gauge was damaged on June 29, 2003, causing the source to come out of its shield and fall to the floor. An employee picked up the gauge's handle mechanism, including the attached source, carried it to an individual's office and placed it on the individual's desk. The source remained on the individual's desk until discovery on July 10, 2003.

Category: Other United States of America »

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Loss of an industrial radiography device containing 138 GBq of iridium 192

An industrial gamma radiography exposure device containing an iridium-192 radiography source of activity 138 GBq was reportedly stolen from an authorised source storage facility. The incident reportedly occurred in the early hours of April 12, 2003. The absence of the device was noticed early in the morning of April 12, 2003 when the radiography personnel reported for work. The drive cable and guide tube of the device had already been removed by the authorized user preparatory to sending the device to Mumbai for recharging it with a fresh source.

Category: Other India »

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Internal contamination of workers in a Medical Center

On November 28, 2002 a technician of the Nuclear Medicine Department of the Medical Center “Centro Médico Siglo XXI” reported to the National Commission on Nuclear Safety and Safeguards - CNSNS (Mexico’s nuclear regulatory body) that he and eight of his co-workers were contaminated with I-131. The technician became aware of the problem because radiation alarms activated while his co-workers were around. The nine workers were checked with a whole body counter at the regulatory body’s laboratory, and the results verified the internal contamination of the workers.

Category: Other Mexico »