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Event Report Forms (ERFs) are filed to the IAEA. Sometimes there are multiple event reports, updating the rating, the event description. Here you only see the latest event report

ERF send date: Mon, 04-04-2005
ERF description: On January 11, 2005, a Texas licensee was notified that based on a dosimeter analysis, one of its radiographers may have received a dose of 70.35 millisievert (mSv) or 7.035 rem for the month of November 2004, a dose in excess of the annual regulatory total effective dose limit of 50 mSv (5 rem).

The licensee initiated an investigation and determined that two individuals performed an adjustment to the guide tube collimator on an AEA Model 424-9 radiographic exposure device containing approximately 4.36 terabecquerels (117.8 curies) of iridium-192. The licensee determined that the individuals approached the device to make the collimator adjustment without a survey instrument. Subsequent to the adjustment, the individuals read their pocket dosimeters and realized they were off-scale. Additionally, the individuals did not report the off-scale reading to their radiation safety officer as required.

On March 31, 2005, the Nuclear Regulatory Commission received information from the State of TX that confirmed the radiographer received an overexposure in excess of the regulatory occupational limit of 50 mSv (5 rem). The individual was assigned 70.35 mSv (7.03 rem) for the month of November 2004, and an accrued annual dose of 84.75 mSv (8.475 rem) for calendar year 2004.

The State of Texas conducted an inspection and identified six violations of TX regulatory requirements.
ERF rating date: 31-03-2005
ERF contact person: Cynthia Jones
ERF address: Washington, DC USA
ERF affiliation: USNRC

This map shows a selection of reports from nuclear and radiological incidents stored in the IAEA NEWS-database.
Locations are estimates. Contact us if a location is wrong.
The map shows a maximum of 100 incidents. If hundred incidents or more are within the map, the yellow perimeter indicates from where events are excluded. Drag or zoom the map to explore different areas.

Power Reactor Research Reactor Radwaste Facility Enrichment Facility Radiation Source Irradiation/Accelerator Facility Transportation

Fuel Fabrication Fuel Reprocessing Research Facility Mining/Milling Radioisotope Processing/Handling Facility Other