This firm fixed price purchase order from the Department of the Navy Naval Sea Systems Command to Thermo Eberline LLC, Radiation Measurement and Security Instruments Division, doing business as Thermo Fisher Scientific, will deliver 3,000 DXT-707H DXTRAD Extremity Dosimeters, 3,000 3.3 mg/cm2 DXTRAD Caps, 3,000 DXTRAD Rings in an unspecified color, and 25,000 8840 Holders to support occupational radiation exposure monitoring for naval activities. The $723,120 contract meets requirements in the Navy's radiation health protection manual by providing dosimetry products that can detect photons, betas, and beta/photon mixtures within specified dose ranges, with a lower limit of detection of 50 mrem for shallow doses over 100 days and the ability to anneal residual doses below 50 mrem over multiple cycles. No set aside designation was used for this sole source award, which was solicited to meet requirements outlined in a June 2021 request for 3,000 dosimeters, 3,000 caps, 3,000 rings, and 25,000 holders, with delivery to the Naval Dosimetry Center by October 2022.