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| Start date | Reporting criterion | Title | Event description | System | LER | |
|---|---|---|---|---|---|---|
| ENS 42268 | 21 January 2005 08:00:00 | Agreement State | Agreement State Report of Missing Moisture Density Gauge | The State provided the following information via email: RSO for Earth Consultants, claims his company has broken up and his Alternate RSO has taken their single moisture density gauge. The gauge is a CPN model 503, source model 131 serial number H300305517. This information was first provided in a letter dated 1/21/05 and he has not been able to locate his former ARSO. RHB Richmond has determined that the former ARSO is probably located in Greenfield, CA. RHB will continue its efforts to locate the former RSO and the gauge. RHB Richmond has spoken to the RSO and suggested that he report the gauge as stolen by his former ARSO to the local authorities and request license termination. These gauges typically contain 10 milliCi of Cs-137 and 40 milliCi of Am-241. 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. |