Central America

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INES-event
INES 2

Stolen source in Tlaquepaque, Jalisco

On April 24th, 2017 at 12:51 hours UTC-6, the National Commission of Nuclear Safety and Safeguards (the mexican regulatory authority) received a notification from a licensee, that on April 23th, 2017, at 03:00 UTC-6, a vehicle transporting an industrial radiography device, containing a source of IR-192 was stolen in the town of Tlaquepaque, State of Jalisco, Mexico.
The lost source is Category 2, and it is still missing.

Category: Radiation Source Mexico »

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INES 1

Stolen Source at Ciudad Obregon, Sonora, Mexico

On August 5th, 2016 at 06:39 (EST) a report was received from the Emergency System and therefore to CNSNS (the regulatory body) informing the theft of a Stolen Source at Ciudad Obregon, Sonora, Mexico. The device was a moisture/density gauge with Am241/Be (1.65GBq) and Cs-137 (370 MBq)

Category: Radiation Source Mexico »

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INES 1

Stolen pick-up truck with Ir-192 cat II source

In July 3rd. 2014, at the Municipality of Atizapán de Zaragoza, Mexico State, Mexico, a pick-up truck was stolen, this vehicle was transporting an Industrial Radiography Ir-192 radioactive source, with activity of 1.23 TBq, category II.

On July the 4th, 2014, the vehicle was found at the municipality of Tlalnepantla, Mexico State, Mexico.

Category: Radiation Source Mexico »

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INES 3

Missing Dangerous Source at Tepojaco, Hidalgo, Mexico

.On December 2, 2013, a vehicle transporting a teletherapy source from the IMSS Hospital in Tijuana, Baja California (Co-60 approximately 3000 Ci, Category I) to the Radioactive Waste Storage Center (CADER) in Maquixco, Mexico State was stolen near a gas station in the Municipality of Tepojaco, Hidalgo.

Law enforcement authorities tracked the teletherapy device down to a field near the town of Hueypoxtla in Mexico State, very close to where the truck was stolen, at around 14:00 (20:00 UTC) on 4 December 2013.

The radioactive cobalt-60 source had been removed from its protective shielding, bu

Category: Radiation Source Mexico »

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Missing Dangerous Source at Salamanca, Guanajuato

In February 3rd. 2015, the National Commission on Nuclear Safety and Safeguards (this is Mexico’s nuclear regulatory authority) was informed by a licensee that three vehicles of its property had been stolen, each one was transporting an Ir-92 source. Therefore, three sources were missing. On the same day, after carrying out an investigation the sources were located and secured by the regulatory authority staff. All the sources are intact and safe. .

Category: Radiation Source Mexico »

INES-event
INES 1

Missing Dangerous Source at Cárdenas, Tabasco, México

On April 14th 2015, the National Commission on Nuclear Safety and Safeguards received a report about the theft of a vehicle transporting a radioactive source. This had occurred in the municipality of Cardenas, in the State of Tabasco, Mexico. The stolen source was Ir-92 with an activity of 32 Ci. The source category is 2.

On April 22nd 2015, due to the information given by an anonymous phone call to the State Police, the container with the radioactive source was located and recovered.

Category: Radiation Source Mexico »

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INES 0

Hydrogen Recombiner functional testing not satisfactory

On January 24, 2011 the Laguna Verde NPP Unit 2 was operating at 21% of rated power. While testing the Hydrogen Recombiner System Division I, it was observed that there was not an increment in the temperature of its heater; therefore the test was not satisfactory. All other safety systems were at operative condition.

Category: Power Reactor Mexico »

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INES 2

Reactor trip due to high pressure in the reactor pressure vessel

On January 19, 2011 the Laguna Verde NPP Unit 2 was operating at 43.2% of rated power in process for testing. According to the sequence of events, it follows that: While testing for the load rejection signal, the main turbine incremented its speed. The main turbine control valves started to close while controlling the turbine speed. The pressure at the first step in the turbine was at 17 kg/cm2, with the control valves closed. Then, the pressure at the first step started to decrease until 4.6 kg/cm2.

Category: Power Reactor Mexico »

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INES 0

Reactor trip due to failure in the Main Generator

On January 15, 2011, Laguna Verde NPP Unit 1 was operating at 37.3 % rated power and in the process of decreasing power in order to repair a component related to the electrical protection of the main generator. Suddenly there was an automatic reactor trip due to the failure of this electrical protection. All safety systems were in operative condition and worked as required, and the reactor was taken to a safe shutdown condition.

Category: Power Reactor Mexico »

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INES 1

Potential damage in riser pipe at Laguna Verde NPP U2

On October 22, 2010, Laguna Verde NPP Unit 2 personnel found during the outage inspection that the riser pipe of two jet pumps of the recirculation system were affected with a small crack. The root cause of this event is still in investigation. Corrective actions are still in planning and the refueling activities are in hold.

Category: Power Reactor Mexico »