<P> Inherently dangerous items of evidence such as drugs, and chemical, biological, nuclear, radiological materials require higher levels of storage to protect the well being of evidence management personnel . </P> <P> Typically physical containers are of a size and shape that they are able to be handled by a single person . Small items can be placed in an evidence bag: a plastic bag with special tamper resistant features and places to record the chain of custody . Large volumes of evidence will require larger containers typically able to be handled using a fork lift . </P> <P> Most organisations collecting evidence have specific work units responsible for the safe keeping and preservation of evidence . The evidence storage work unit, typically called a property office is responsible for: </P> <P> When the organisation is a police agency, the property office is typically also responsible for found property . </P>

Evidence of ownership provided by a storage facility is