| | Site | License number | Start date | Title | Topic |
|---|
| ENS 57423 | Acuren | IR067 | 12 November 2024 21:00:00 | Overexposure from Radiography Source | Overexposure |
| ENS 57119 | Acuren | WN-IR067-1 | 7 May 2024 17:26:00 | Stuck Radiography Source | |
| ENS 57100 | University of Washington | C001 | 26 April 2024 07:00:00 | Leaking Electron Capture Device | |
| ENS 57038 | Gt Medical Technologies | WN-L0257-1 | 19 March 2024 07:00:00 | Minor Transportation Event | Brachytherapy |
| ENS 57023 | Summit Cancer Center | WN-M0290 | 28 February 2024 07:00:00 | Medical Misadministration | |
| ENS 56986 | Port Townsend Paper Corporation | WN-R0039 | 21 February 2024 08:00:00 | Discovery of an Orphan Radioactive Source | |
| ENS 56930 | Swedish Medical Center | WN-M008 | 19 January 2024 20:00:00 | Y-90 Microsphere Misadministration | |
| ENS 56921 | | B400 | 20 December 2023 08:00:00 | Improper Shipment Handling | |
| ENS 56879 | Westrock Longview, Llc | WN-I090-1 | 5 December 2023 08:00:00 | Agreement State - Stuck Shutter | Stuck Shutter |
| ENS 57255 | Dermatology of Seattle and Bellevue | WN-M0327-1 | 15 November 2023 07:00:00 | Potential Leakage from Medical Source | |
| ENS 56828 | Multi-Care Health System Auburn Event | WN-M017 | 31 October 2023 16:00:00 | Underdoseof Y-90 Microspheres | TheraSphere |
| ENS 56818 | Ge Precision Healthcare | 77-00413-01 | 1 September 2023 05:00:00 | Agreement State - Lost and Found Radioactive Source | Moisture Density Gauge |
| ENS 56716 | Nelson Geotechnical Associates | WN-I0421-1 | 29 August 2023 21:30:00 | Damaged Gauge | Troxler Moisture Density Gauge |
| ENS 56675 | Pfnw Waste Processing | WN-I0508-1 | 4 August 2023 07:00:00 | Agreement State - Shipping Incident | |
| ENS 56654 | Bp Products North America, Inc. | WN-I064-1 | 6 July 2023 07:00:00 | Fixed Gauge Shutter Stuck in the on Position | Overexposure |
| ENS 56589 | Mistras | WN-IR011-1 | 22 June 2023 21:19:00 | Source Recovery Malfunction | Overexposure |
| ENS 56577 | Providence Sacred Heart Medical Ctr | WN-M031 | 14 June 2023 07:00:00 | Dose Misadministration | Brachytherapy |
| ENS 56438 | Bradken, Inc. | WN-IR006-1 | 28 March 2023 23:06:00 | Stuck Radiography Source | Overexposure |
| ENS 56317 | Multicare Health System | WN-M017-1 | 18 January 2023 08:00:00 | Patient Underdose | TheraSphere
Underdose |
| ENS 56310 | Fred Hutchinson Cancer Center | WN-M0225-1 | 14 December 2022 08:00:00 | Two Under Doses and Contaminated Individual | |
| ENS 56183 | Nippon Dynawave Packaging Company, Llc | WN-I029-3 | 26 October 2022 07:00:00 | Dropped Fixed Nuclear Gauge | |
| ENS 56193 | University Of Washington | WN-C001-1 | 25 October 2022 07:00:00 | Leaking Sealed Source | |
| ENS 56201 | Isoray Medical | WN-L0213-1 | 29 September 2022 07:00:00 | Leaking CS-131 Brachytherapy Source | Brachytherapy |
| ENS 55946 | Seattle Cancer Care Alliance | WN-M0225-1 | 14 June 2022 07:00:00 | HDR Afterloader Motor Failure Results in Aborted Treatment | |
| ENS 55944 | University Of Washington | C001-1 | 14 June 2022 07:00:00 | Agreement State Report - Lost Then Found I-125 Seed | Brachytherapy
Moisture Density Gauge |
| ENS 55933 | Inw Multicare Health | WN-M005-1 | 7 June 2022 07:00:00 | Underdose to Treatment Site | TheraSphere
Underdose |
| ENS 55860 | Als Environmental Labs | R1299 | 26 April 2022 20:23:00 | Leaking Sealed Source | Overexposure |
| ENS 55849 | Packaging Corporation | WN-I004-1 | 15 April 2022 15:00:00 | Equipment Misuse | |
| ENS 55832 | Us Ecology Washington Inc. | WN-I019-2 | 7 April 2022 21:40:00 | Proportional Counter Failure | |
| ENS 55824 | Nelson Geotechnical Asso | WN-I0421-1 | 6 April 2022 16:00:00 | Damaged Troxler Gauge | Troxler Moisture Density Gauge |
| ENS 57051 | Radius Recycling | | 4 April 2022 07:00:00 | Found Source | |
| ENS 55814 | Kaiser Permanente Bellevue | WN-M021 | 31 March 2022 07:00:00 | Lost GD-153 Source | Moisture Density Gauge |
| ENS 55677 | University Of Washington | WN-C001-1 | 23 December 2021 08:00:00 | Underdosing of Patient with YTTRIUM-90 Microspheres | |
| ENS 55622 | Fred Hutchinson Cancer Research Center | WN-L042-1 | 27 October 2021 08:00:00 | Agreement State - Occupational Overexposure | Overexposure |
| ENS 55500 | Professional Services Industries | WN-IR021-1 | 30 September 2021 12:00:00 | Stole Moisture Density Gauge | Moisture Density Gauge
Stolen |
| ENS 55464 | University Of Washington Environmental Health And Safety | C001 | 13 August 2021 07:00:00 | Missing Radioactive Sources | Moisture Density Gauge |
| ENS 55410 | Polyclinic | WN-M0218 | 26 July 2021 07:00:00 | Lost IODINE-125 Seeds | Moisture Density Gauge |
| ENS 55214 | Virginia Mason Franciscan Health | WN-M048-1 | 16 April 2021 07:00:00 | Patient Underdose | TheraSphere
Underdose |
| ENS 55192 | University Of Washington | C001 | 9 April 2021 07:00:00 | Patient Underdose | Underdose |
| ENS 55181 | Nssi/Recovery Services, Inc. | LO2991 | 3 March 2021 06:00:00 | Removable Contamination Exceeds Limits | Exclusive Use |
| ENS 55018 | | WN-I0566-1 | 30 November 2020 08:00:00 | Portable Density Guage Run Over | |
| ENS 54961 | Gn Northern | I0457 | 19 October 2020 21:30:00 | Lost and Found Portable Gauge | Moisture Density Gauge |
| ENS 54853 | Framatome | I062 | 17 August 2020 07:00:00 | Leaking Check Source | |
| ENS 54400 | Earth Solutions Northwest | WN-I0560-1 | 20 November 2019 18:00:00 | Agreement State Report - Density Gauge Damaged | |
| ENS 54394 | Zirkle Fruit Company | WN-I0541-1 | 17 November 2019 08:00:00 | Agreement State Report - Stolen Moisture Density Gauge | Moisture Density Gauge
Stolen |
| ENS 54323 | Aar Testing Laboratories, Inc. | WN-I0353-1 | 3 October 2019 07:00:00 | Agreement State Report - Damaged Moisture-Density Gauge | Moisture Density Gauge
Troxler Moisture Density Gauge |
| ENS 54022 | Swedish Medical Center | M008 | 23 April 2019 07:00:00 | Washington Agreement State Report - Lost and Found Radioactive Material | Moisture Density Gauge |
| ENS 54013 | University Of Washington | C001 | 15 April 2019 07:00:00 | Agreement State Report - Leaking Intravascular Brachytherapy Device Identified | Brachytherapy |
| ENS 53804 | Swedish Medical Center | WN-M008-1 | 19 December 2018 08:00:00 | En Revision Imported Date 1/18/2019 | |
| ENS 53714 | Geoengineers, Incorporated | WN-I0204-1 | 3 November 2018 08:00:00 | Agreement State Report - Damaged Density Gauge | |