The US Nuclear Regulatory Commission received an export license application XSNM3864 to allow Mirion Industries Corporation to supply radiation detection units to Westinghouse Electric China for use in AP1000 reactors that the company builds there.

The license application specifies that the equipment will include "up to 15 Intermediate Range Core Detectors, each containing up to 6 grams of U-235." The total amount of HEU in the application is 90 g, maximum enrichment is listed as 93.19%, with a U-235 content of 83.87 g.