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ii pig , <br /> jWork Plan <br /> Frontier Transportation , <br /> Page 5 <br /> on Site Supervisors will determine the necessity for any deviations from the work plan. The <br /> -I records will contain sufficient information so that the work activities can be reconstructed <br /> without relying on the collector's memory. All entries will be signed, dated and made with <br /> waterproof ink. Corrections to the logbook will be made by drawing one line through the error, <br /> initialing and dating. The logbook will always be stored in a secure location. <br /> 6.2) Chain-of Custody <br /> - The objective of the Chain-of-Custody Program is to allow the tracking of <br /> possession and handling of individual samples from the time of field collection through <br /> laboratory analysis. Once a sample is collected, it becomes part of the Chain-of-Custody process . <br /> A sample is "in custody" when ( 1 ) it is in someone's possession; (2) it is within visual proximity <br /> of that person; (3) it is in that persons possession, but locked up and sealed (e.g. during <br /> transport); and (4) it is in a designated secure sample storage area. <br /> 6.2.1) Chain-of-Custody Record and Request for Analysis Report <br /> Chain-of-Custody records establish the documentation necessary to trace <br /> sample possession from the time of collection to analysis . A serialized Chain-of-Custody and <br /> Request for Analysis Report will be completed and will accompany each batch of samples. The <br /> record will contain the following information. <br /> ( l * Project name and number; <br /> * Request for Analysis control number (for cross reference); <br /> * Names of sampling team members; <br /> * Laboratory destination; <br /> * Carrier/waybill number; <br /> I 1 * Sample number; <br /> J * Sample location and description; <br /> * Date and time collected; <br /> * Sample type; <br /> * Container type; <br /> * Special instructions; <br /> Possible sample hazards; <br /> * Signatures of persons involved in the chain-of-possession. <br /> When sample custody is transferred to another individual, the samples <br /> must be relinquished by the present custodian and received by the new custodian. This will be <br /> recorded at the bottom of the Chain-of-Custody Record and Request for Analysis Report where <br />