ENS 57947: Difference between revisions

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Revision as of 06:20, 1 October 2025

v t e ENS Event
04:00 Sep 24, 2025
Title	Lost Moisture Density Gauge
Event Description	The following information was summarized from the State of Florida Bureau of Radiation Control (BRC) via email: On September 24, 2025, BRC received a report from the licensee regarding the loss of control of a moisture density gauge on the same date. The initial report was that the device had been stolen, but subsequent video footage indicated that the issue was loss of control due to failure to secure the gauge for transport in a truck. The gauge and case are missing but locked. The licensee believes the gauge was lost between a job site in North Port, FL, and Sarasota, FL. The incident has been referred to materials and inspection for investigation. The device is a Instrotek model number 3500 and contains 10 mCi of Cs-137 and 44 mCi of Am-241/Be. Florida Incident Number: FL25-094 Notified R1DO (Lilliendahl), NMSS Events Notification (email), and ILTAB (email) * * UPDATE ON 09/25/2025 AT 0958 EDT FROM MONROE COOPER TO JON LILLIENDAHL * * * The following information was summarized from the BRC via email: The gauge was recovered and returned to ECS Florida. Notified R1DO (Lilliendahl), NMSS Events Notification (email), and ILTAB (email) THIS MATERIAL EVENT CONTAINS A 'Less than Cat 3' LEVEL OF RADIOACTIVE MATERIAL Sources that are "Less than IAEA Category 3 sources," are either sources that are very unlikely to cause permanent injury to individuals or contain a very small amount of radioactive material that would not cause any permanent injury. Some of these sources, such as moisture density gauges or thickness gauges that are Category 4, the amount of unshielded radioactive material, if not safely managed or securely protected, could possibly - although it is unlikely - temporarily injure someone who handled it or were otherwise in contact with it, or who were close to it for a period of many weeks. For additional information go to http://www-pub.iaea.org/MTCD/publications/PDF/Pub1227_web.pdf

ENS 57947 +/-
Where
Ecs Florida Sarasota, Florida (NRC Region 1)
License number:	3440-8
Organization:	Florida Bureau Of Radiation Control
Reporting

Agreement State
Time - Person (Reporting Time:+10.45 h0.435 days <br />0.0622 weeks <br />0.0143 months <br />)
Opened:	John A. Williamson 14:27 Sep 24, 2025
NRC Officer:	Ernest West
Last Updated:	Sep 25, 2025
57947 - NRC Website
v • d • e

v t e Emergency Notification System
Ecs Florida with Agreement State
WEEKMONTHYEAR2025-09-24T04:00:00 [Table view]
[ENS list for Ecs Florida]

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