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A-3 • 5 1 General Sample Collection and_HandlingProcedures Proper collection and handling are essential to ensure the quality of a sample Each sample was collected to a suitable container, preserved correctly for the intended analysis, and stored prior to analysis for a time that did not exceed the maximum allowable holding time Details on the procedures for collection and handling of soil samples used on this project can be found in Section 1 0 (Methods) 5.2-Sample Identification and Chain-of-Custody-Procedures Sample identification and chain-of-custody procedures document sample possession from the time of collection to its ultimate disposal Each sample container submitted for analysis had a label affixed to identify the,lob number, sampler, date and time of sample collection, and a sample number unique to that sample This information, in addition to a description of the sample, field measurements made, sampling methodology, names of on-site personnel, and any other pertinent field observations, was recorded on the field records A chain-of-custody form was used to record possession of the sample from time of collection to its arrival at the laboratory When the samples were shipped, the person to custody of them relinquished the samples by signing the chain-of-custody form and noting the time The sample-control officer at the laboratory verified sample integrity and confirmed that it was collected in the proper container, preserved correctly, and that there was an adequate volume for analysis If these conditions were met, the sample was assigned a unique log number for identification throughout analysis and reporting The log number was recorded on the chain-of-custody form and in the Iegally- required log book maintained by the laboratory in the laboratory The sample description, date received, client's name, and other relevant information was also recorded LRP-702 CAC