U.S.-based radiation detection and monitoring products provider Mirion Technologies Inc. plans to expand its senior secured term loan by $80 million. The company intends on using the proceeds to fund a partial repurchase of convertible preferred stock. We are affirming our 'B' corporate credit rating and issue-level ratings on the company. The outlook is stable, reflecting our expectations that the company will continue to operate within credit measures commensurate for the rating. On Feb. 13, 2013, Standard&Poor's Ratings Services affirmed its ratings on San Ramon, Ca.-based Mirion Technologies Inc., including the 'B' corporate credit rating. The outlook is stable. At the same time, we affirmed our 'B' issue rating on the company's senior secured credit facilities, which comprise