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9.5 Documentation and Chain-of-Custody <br /> A required part of any sampling and analytical program is the integrity of the sample from <br /> collection to data reporting. This includes the ability to trace the possession and handling of <br /> samples from the time of collection, through analysis, and final disposition. This documentation <br /> of the sample's history is referred to as "chain of custody". The components of the chain of <br /> custody(custody seals, a field log book, chain-of-custody record) and the procedures for their use <br /> are described in the following paragraphs. <br /> A sample is considered to be under a person's custody if it is: <br /> • In a person' s physical possession; <br /> • In view of the person after the person has taken possession, or <br /> • Secured by that person so that no one can tamper with the sample <br /> A person who has samples under custody must comply with the procedures described in <br /> the following sections. <br /> 9.5.1 Chain-of-Custody Record <br /> To establish the documentation necessary to trace sample possession from the time of collection, <br /> a chain-of-custody record will be filled out and accompany every sample (soil and water). The <br /> record will contain the following minimum information: <br /> • Station location(tied to a sampling location) <br /> • Signature of collector(s) <br /> • Date and time of collection <br /> • Sample identification number <br /> • Number of containers <br /> • Project name and number <br /> • Name of shipper(remarks) <br /> • Date shipped(remarks) <br /> • Signature of people involved in the chain of possession <br /> M ain\D:AEnvironmentaI\LN CV\10152007.wpd 63 <br />