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Sample identification and chain-of-custody procedures ensure sample integrity and document <br /> sample possession from the time of collection to ultimate disposal Each sample container submitted for <br /> analysis will have a label affixed to identify the project number, sampler, date of collection, sample <br /> Iocation, the monitoring-well number (if appropriate), and a number unique to that sample That <br /> information will be recorded on the borehole log or in the field records, along with a description of the <br /> sample, field measurements, sampling methodology, names of sampling personnel, and other pertinent <br /> field observations <br /> A standard Brown and Caldwell chain-of-custody form will be used to document possession of <br /> samples from time of collection to arrival at the laboratory All samples will be submitted to an analytical <br /> laboratory that has been certified by the state m which the samples were collected The sample-control <br /> officer at the laboratory will verify sample integrity and confirm that samples were collected in the proper <br /> container, preserved correctly, and that there is an adequate volume for analysis If these conditions are <br /> met, the sample will-be assigned a unique log number by the laboratory for identification throughout <br /> analysis and reporting The log number will be recorded on the chain-of-custody form and in the legally <br /> required log book maintained at the laboratory The sample description, date received, client's name, and <br /> other relevant information will also be recorded <br /> i <br /> 24n7W.MRTAWKPt J= <br />