A Michigan-bound shipment of radioactive material, sent by an Ohio company weeks ago, never reached its destination, according to the nation’s nuclear regulator. A July 29 filing by the U.S. Nuclear Regulatory Commission (NRC) indicates that a shipment containing a source of Iridium-192, a “Category 2” level of radioactive substance, was dispatched from Ohio-based Prime NDT Services, Inc. via an unnamed carrier, on July 12. The NRC’s event notification report, which identified the shipment as a “lost source,” said that, as of July 21, the radioactive material had still not arrived at its Michigan destination. “As of July 21, the source has not been delivered by [the common carrier],” the notice reads. “[The common carrier] is aware of the situation and believes that the package was delayed at their facility. On July 20, [the common carrier] informed Prime NDT Services, Inc. that the package could not be located.” An Epoch …