U.S. radiation detection and monitoring equipment company Mirion Technologies Inc. has just closed on its new credit facility, which refinances its existing debt. We are assigning our 'B' corporate credit rating to Mirion Technologies Inc. We are also assigning our 'B' issue ratings and '3' recovery ratings to the company's senior secured credit facilities, including a $25 million revolving credit facility and a $200 million first-lien term loan. The outlook is stable, reflecting our expectations for the company to operate within credit measures commensurate for the rating. On April 12, 2012, Standard&Poor's Ratings Services assigned its 'B' corporate credit rating to San Ramon, Calif.-based Mirion Technologies Inc. The outlook is stable. At the same time, we assigned our