ENS 57675

v t e ENS Event
05:40 Apr 21, 2025
Title	Lost or Stolen Density Gauge
Event Description	The following report was received by the California Radiation Control Program (the Agency) via email: On April 21, 2025, the licensee's radiation safety officer (RSO) contacted the Agency to report the theft of a Troxler 3440 moisture density gauge, serial number 31320. The theft occurred on April 20, 2025, at 2240 PDT at a jobsite in Los Angeles, California. The Los Angeles Police Department was contacted, and a police report was filed. The Troxler gauge contains an 8 mCi cesium-137 sealed source and a 40 mCi americium-241/Be sealed source. The investigation is ongoing. California 5010 Number: 042125 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 57675 +/-
Where
Ambessaw Consulting Los Angeles, California (NRC Region 4)
License number:	8357-19
Organization:	California Radiation Control Prgm
Reporting

Agreement State
Time - Person (Reporting Time:+18.32 h0.763 days <br />0.109 weeks <br />0.0251 months <br />)
Opened:	Donald Oesterle 23:59 Apr 21, 2025
NRC Officer:	Sam Colvard
Last Updated:	Apr 22, 2025
57675 - NRC Website
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v t e Emergency Notification System
Ambessaw Consulting with Agreement State
WEEKMONTHYEAR2025-04-21T05:40:00 [Table view]
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