ENS 55753

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v t e ENS Event
08:00 Feb 20, 2022
Title	Stolen Moisture Density Gauge
Event Description	The following information was provided by the California Department of Public Health via email: Ninyo and Moore, a geotechnical and environmental sciences firm reported the theft of a Troxler 3430 moisture density gauge No. 38218, containing a Cs-137 sealed source of 0.3 GBq (8 mCi) and Am-241 sealed source of 1.48 GBq (40 mCi). The theft occurred from a temporary job site in Visalia, CA, The locked 10' X 20' Conex job box had the locks cut off and the entire secured Knack box containing the Type A transport container and gauge was taken. Construction tools totaling approximately $12,000 were stolen. Visalia Police Department was notified and an officer took a theft report and is looking for video surveillance in the area. Site security was not at the location at the time of the Sunday night theft. California 5010 Number: 022222 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 55753 +/-
Where
Ninyo And Moore Irvine, California (NRC Region 4)
License number:	7633-30
Organization:	California Radiation Control Prgm
Reporting

Agreement State
Time - Person (Reporting Time:+79.45 h3.31 days <br />0.473 weeks <br />0.109 months <br />)
Opened:	Donald Oesterle 15:27 Feb 23, 2022
NRC Officer:	Karen Cotton-Gross
Last Updated:	Feb 23, 2022
55753 - NRC Website
v • d • e

v t e Emergency Notification System
Ninyo And Moore with Agreement State
WEEKMONTHYEAR2022-02-20T08:00:00 [Table view]
[ENS list for Ninyo And Moore]

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