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EN Revision Text: AGREEMENT STATE REPORT - UNPLANNED CONTAMINATION The following was received via e-mail: On January 8, 2019, the Agency (Texas Department of State Health Services) was contacted by the license and notified they have some conflicting data that suggest they may have up to three (3) leaking Nickel (Ni) - 63 ten milliCurie sources that may be slightly above the 0.005 microCuries reporting limit. The licensee stated they need to investigate further as a second set of leak tests showed no detectable activity on the same three sources. The three sealed sources in question have been bagged and are slotted for disposal. The licensee will provide additional information as it is received. On January 25, 2019, the licensee contacted the Agency and stated they had leak tested all similar sources in their possession. The licensee found a total of four sources exceeded the limit. The sources are all Ni-63 containing 10 milliCuries. The licensee stated they will dispose of all leaking sources. The licensee stated it believed the sources were manufactured in Singapore. The sources are used in gas chromatographs. The Agency conducted an on site investigation at the facility on March 11, 2019. During the investigation the licensee stated none of their customers who had been provided a device had reported a source that failed a leak test. On April 3, 2019, the Agency was notified by the licensee that they were going to restrict access to a room for more than 24 hours due to fixed and removable radioactive contamination levels. The contamination was found while performing surveys in the area in response to leak test results of four Ni-63 sources exceeding the limit (NMED report number 190032). The licensee will perform bioassay sampling of all individuals who had been in the room. The licensee stated they have begun decontamination of the room. Additional information will be provided as it is received in accordance with SA-300. Texas Incident number: 9648

• * * UPDATE AT 1645 EDT ON 4/15/2019 FROM ART TUCKER TO MARK ABRAMOVITZ * * *

The following report was received via e-mail: On April 15, 2019, the Agency (Texas Department of State Health Services) was notified by the licensee that they had found additional contamination in the facility and had closed the facility until a full survey can be completed and any areas found to be contaminated released. The licensee is working on a bioassay plan for the employees. Notified the R4DO (Pick) and NMSS (via e-mail).