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The following information was provided by … The following information was provided by the New York State Department of Health (NYSDOH) via email:</br>NYSDOH received a phone call from the general manager of AMC Theatres 8, to report a missing tritium exit sign. The device was no longer functioning and was removed for replacement on or about December 4, 2024. The sign was set aside for pick up by the contractor. On February 10, 2025, at approximately 1100 EST, the general manager discovered the sign was missing. The make/model/serial number of the sign is unknown. However, the theater is attempting to gather additional information. </br>No further information on the device, source, or incident is available at this time. </br>It is suspected that the tritium exit sign may have been disposed of in the regular trash, but AMC Theatres is investigating the potential whereabouts and causes for this lost device. It is not believed that the tritium exit sign is damaged and/or leaking and it is not believed that this event led to any exposure or dose to members of the public. </br>Given the normal activity of these devices and the 12.3-year half-life, it is suspected that the quantity of H3 exceeds the reportability threshold required by 10 CFR 20.2201(a)(1)(i). </br>NYSDOH is monitoring this event and has assigned NYSDOH Incident No. 1515 to internally track this event.</br>Event Report ID No.: NY-25-02</br>* * * UPDATE ON 10/16/2025 AT 1018 EDT FROM NATHAN KISHBAUGH TO ERNEST WEST * * *</br>NYSDOH was monitoring this event and assigned NYSDOH Incident number 1515 to internally track the event. Following the original notification of this event, a report was requested and received from the general manager. The theater staff searched for the missing exit sign, but exit sign was not found. As a corrective action, should the situation arise in the future, where any exit signs are removed and stored on site, the general manager will secure the items in his personal office. The general manager was notified in writing that should the exit sign be located; our office must be notified. Subsequently, Incident number 1515 has been closed. Should this device be located/found, the licensee has been instructed to notify NYSDOH and this incident will be reopened and updated. The licensee has been made aware of the notification requirements in 10 CFR 20.2201(d).</br>Notified R1DO (Young), NMSS Events Notification (Email), ILTAB (Email), and CNSC (Email)</br>THIS MATERIAL EVENT CONTAINS A 'Less than Cat 3' LEVEL OF RADIOACTIVE MATERIAL</br>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.org/MTCD/publications/PDF/Pub1227_web.pdf
16:00:00, 10 February 2025 +
16:21:00, 10 February 2025 +
16:00:00, 10 February 2025 +
The following information was provided by … The following information was provided by the New York State Department of Health (NYSDOH) via email:</br>NYSDOH received a phone call from the general manager of AMC Theatres 8, to report a missing tritium exit sign. The device was no longer functioning and was removed for replacement on or about December 4, 2024. The sign was set aside for pick up by the contractor. On February 10, 2025, at approximately 1100 EST, the general manager discovered the sign was missing. The make/model/serial number of the sign is unknown. However, the theater is attempting to gather additional information. </br>No further information on the device, source, or incident is available at this time. </br>It is suspected that the tritium exit sign may have been disposed of in the regular trash, but AMC Theatres is investigating the potential whereabouts and causes for this lost device. It is not believed that the tritium exit sign is damaged and/or leaking and it is not believed that this event led to any exposure or dose to members of the public. </br>Given the normal activity of these devices and the 12.3-year half-life, it is suspected that the quantity of H3 exceeds the reportability threshold required by 10 CFR 20.2201(a)(1)(i). </br>NYSDOH is monitoring this event and has assigned NYSDOH Incident No. 1515 to internally track this event.</br>Event Report ID No.: NY-25-02</br>* * * UPDATE ON 10/16/2025 AT 1018 EDT FROM NATHAN KISHBAUGH TO ERNEST WEST * * *</br>NYSDOH was monitoring this event and assigned NYSDOH Incident number 1515 to internally track the event. Following the original notification of this event, a report was requested and received from the general manager. The theater staff searched for the missing exit sign, but exit sign was not found. As a corrective action, should the situation arise in the future, where any exit signs are removed and stored on site, the general manager will secure the items in his personal office. The general manager was notified in writing that should the exit sign be located; our office must be notified. Subsequently, Incident number 1515 has been closed. Should this device be located/found, the licensee has been instructed to notify NYSDOH and this incident will be reopened and updated. The licensee has been made aware of the notification requirements in 10 CFR 20.2201(d).</br>Notified R1DO (Young), NMSS Events Notification (Email), ILTAB (Email), and CNSC (Email)</br>THIS MATERIAL EVENT CONTAINS A 'Less than Cat 3' LEVEL OF RADIOACTIVE MATERIAL</br>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.org/MTCD/publications/PDF/Pub1227_web.pdf
Has query"Has query" is a predefined property that represents meta information (in form of a <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Subobject">subobject</a>) about individual queries and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
00:00:00, 16 October 2025 +
Modification date"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
11:20:02, 17 October 2025 +
16:21:00, 10 February 2025 +
0.0146 d (0.35 hours, 0.00208 weeks, 4.7943e-4 months) +
16:00:00, 10 February 2025 +
URL"URL" is a <a href="/Special:Types/URL" title="Special:Types/URL">type</a> and predefined property provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a> to represent URI/URL values.