A system and method for detecting contaminants in or on objects, having a movably mounted container for holding objects and having a plurality of perforations and an entrance opening through which objects may be placed into the container. A housing encloses the container and forms a barrier to ambient...http://www.google.de/patents/US6792795?utm_source=gb-gplus-sharePatent US6792795 - System and method for detecting hazardous materials using agitation