![]() ![]() ![]() On 07/01/22, the licensee reported the loss of 5 exit signs. The following is a summary of information received from the State of Colorado via email: 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. 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. THIS MATERIAL EVENT CONTAINS A 'Less than Cat 3' LEVEL OF RADIOACTIVE MATERIAL "The Agency considers this matter still open." ![]() Investigations by the Agency and by Covanta Braintree Transfer Station are ongoing. The discs are currently presumed to have been inadvertently and unknowingly abandoned by owner. The discs were placed in secure storage until proper disposal is arranged and completed. The discs reportedly did not have any identifying information or markings (no manufacturer name, no date, no serial number) other than 'poison inside'. Each disc measured 6 mR per hour at 3 inches from surface. "On, at 1230, a telephone report was received by the Agency that two discs, each measuring 1.5 inches in diameter and each determined to be containing 0.024 mCi Ra-226 (0.048 mCi total), were found within a load of residential trash picked up in Milton, MA. The following information was provided by the MA Department of Public Health (the Agency) via email: AGREEMENT STATE REPORT - TWO ABANDONED SOURCES ![]()
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