Method for decontaminating which is due to the emission of the product. As for method, the product one part is exposed by first emission level at least, and, includes one where at least the second part of the product is exposed to second emission level disclosure stage at least. As for invention, in addition, it regards the device which is suited for that kind of method.製品の放射による除染のための方法。方法は、製品の少なくとも第一部分が第一放射レベルにさらされ、および、製品の少なくとも第二部分が第二放射レベルにさらされる少なくとも一つの暴露段階を含む。発明は、また、そのような方法に適した装置に関する。