Incidents
2025-10-06 | USA, Texas | Theft
Facility Type: Construction Isotope: Cs-137 / Am-241/Be Activity: 8 mCi Cs-137, 40 mCi Am-241/Be Summary: Troxler 3440 moisture density gauge stolen in Houston. Source: NRC Event Notification
Incidents
A running log of radioactive materials entering or leaving regulatory control. Stolen gauges, lost sources, contamination events, scrap metal discoveries. No NPP operations, no medical dose errors—just the incidents that affect source security and detection systems. Updated as events are reported.
Incidents
2025-08 | Indonesia | Contamination ⚠️
Facility Type: Scrap Metal Recycling Isotope: Cs-137 Activity: Orphan source (unknown origin) Summary: Cs-137 source melted at PT Peter Metal Technology, Banten Province. Contamination spread to shrimp exports (detected at US ports), cloves, and consumer goods. 9 people exposed. 5 km exclusion zone established. FDA invoked FSMA Section 801(q)
Incidents
2025-07-07 | USA, Michigan | Damaged Gauge
Facility Type: Construction Isotope: Cs-137 / Am-241/Be Activity: Standard gauge Summary: Somat Engineering gauge struck by construction equipment. Source intact. Source: NRC Event Notification
Incidents
2025-07-07 | USA, Texas | Theft
Facility Type: Construction Isotope: Cs-137 / Am-241/Be Activity: 10 mCi Cs-137, 40 mCi Am-241/Be Summary: Instrotek 3500 moisture density gauge stolen in Fort Worth. Source: NRC Event Notification
Incidents
2025-06-01/17 | Mexico | Theft & Recovery
Facility Type: Industrial Radiography Isotope: Ir-192 Activity: High (Category 2) Summary: Gamma radiography camera hijacked during transport. Recovered intact June 17 in Tultepec, State of Mexico, after inter-agency search. Source: SEGOB Mexico | NRC Event Notification
Incidents
2025-05 | USA, Illinois | Loss
Facility Type: Industrial Isotope: Am-241 Activity: 90 mCi (3 XRF devices) Summary: Three XRF analyzers discovered missing during investigation at Bar Resource International, Rochelle. Source: NRC Event Notification
Incidents
2025-05 | International Shipment | Loss
Facility Type: Medical Isotope: I-125 Activity: 157 seeds Summary: 157 brachytherapy sources lost during shipment from Chicago to East London, Africa. Source: NRC Event Notification
Incidents
2025-05-20 | USA, Arizona | Damaged Gauge
Facility Type: Construction Isotope: Cs-137 / Am-241/Be Activity: ~10 mCi Cs-137, ~40 mCi Am-241/Be Summary: InstroTek gauge run over by water truck at Gilbert construction site. Source remained shielded, no release. Source: Arizona Radiation Regulatory Agency
Incidents
2025-05-08 | USA, Texas | Theft
Facility Type: Construction Isotope: Cs-137 / Am-241/Be Activity: 8 mCi Cs-137, 40 mCi Am-241/Be Summary: Humboldt moisture density gauge stolen from vehicle in Houston. Source: NRC Event Notification
Incidents
2025-03 | USA, California | Loss
Facility Type: Medical Isotope: Cs-137 Activity: ~26 mCi (2 sources) Summary: Two attenuation correction sources were discovered missing during inventory at Central Diagnostic Imaging Network, Glendale. Source: NRC Event Notification
Incidents
2025-02-27 | USA, North Carolina | Theft
Facility Type: Industrial Radiography Isotope: Ir-192 Activity: 2.74 TBq (74 Ci) INES Level: 2 Summary: A Category 2 radiography camera was stolen from a truck at the motel parking lot in Kernersville. Not recovered by year-end. Source: NRC Event 57621 NRC Event Notification