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Start date | Reporting criterion | Title | Event description | System | LER | |
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ENS 51834 | 29 March 2016 07:00:00 | Agreement State | Agreement State Report - Lost Tritium Exit Signs | The following information was received from the State of California via email: Torrance Unified School District (TUSD) reported to the RHB (Radiation Health Branch) via email on March 29. 2016 regarding nine tritium exit signs the school district is unable to account for after construction at two of their sites (5 signs at South High School located at 4801 Pacific Coast Highway, Torrance, CA 90505 and 4 signs at North High School located at 3620 W 182nd St, Torrance, CA 90504). TUSD has notified the contracted construction company, Balfour Beatty Construction, regarding the incident and requested removal documentation for the 9 exit signs, which to date has not been provided. The four Tritium Exit Signs from North High School located at 3620 W. 182nd St Torrance, CA 90504: ISOLITE 2040-50G-20-BK Expiration date 1/1/23 received around 2/27/02 11.5 Curies Tritium ISOLITE 2040-50G-20-BK Expiration date 1/1/23 received around 2/27/02 11.5 Curies Tritium ISOLITE 2040-50G-20-BK Expiration date 1/1/23 received around 2/27/02 11.5 Curies Tritium ISOLITE 2040-50G-20-BK Expiration date 1/1/23 received around 2/27/02 11.5 Curies Tritium The five Tritium Exit Signs from South High School located at 4801 Pacific Coast Hwy Torrance, CA 90505: ISOLITE 2040-70G-20-BA Expiration date 4/20/22 Received around 1/15/02 11.5 Curies Tritium ISOLITE 2040-70G-20-BA Expiration date 4/20/22 Received around 1/15/02 11.5 Curies Tritium ISOLITE 2040-70G-20-BA Expiration date 4/01/22 Received around 1/15/02 11.5 Curies Tritium ISOLITE SLX-60-S-G-20-B Expiration date 4/01/25 Received around 3/22/05 Est. 11.5 Curies Tritium ISOLITE SLX-60-S-G-20-B Expiration date 4/01/25 Received around 3/22/05 Est. 11.5 Curies Tritium California 5010 Number: 032916 / TUSD 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 |