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l a A-7 • Sample or station number or sample I.D. • Signature of collector, sampler, or recorder. • Date and time of collection. • Place of collection. • Sample type. • Signatures of persons involved in the chain of possession. • Inclusive dates of possession. The laboratory portion of the form was completed by laboratory personnel and contains the following information: • Name of person receiving the sample. • Laboratory sample number. • Date and time of sample receipt. • Analyses requested. • Sample condition and temperature. 5.1.5 Sample Transfer and Shipment Samples were always accompanied by a chain-of-custody record. When transferring samples, the individuals relinquishing and receiving the samples signed, dated, and noted the time on the chain-of-custody record. Samples were packaged properly for shipment and dispatched to the appropriate laboratory for analysis. The chain-of-custody record accompanied each shipment. The method of shipment, courier name(s), and other pertinent information was entered in the chain-of-custody record. 5.2 Laboratory Custody Procedures A designated sample custodian accepted custody of the shipped samples and verified that the information on the sample label matched that on the chain-of-custody record. Information regarding method of delivery and sample conditions was also checked on the chain-of-custody record. The custodian then entered the appropriate data into the laboratory sample tracking system. The laboratory custodian may have used the sample number on the sample label or may have assigned a unique laboratory number to each sample. The custodian then transferred the sample(s) to the proper analyst(s) or stored the sample(s) in the appropriate secure area. Laboratory personnel are responsible for the care and custody of samples from the time they are received until the sample is exhausted. Once at the laboratory, the samples are handled in accordance with U.S. Envirgnmental Protection Agency SW-846, Test Methods for Evaluating Solid Waste Physical/Chemical Methods. Third Edition, for the intended analyses. All data sheets, chromatographs, and laboratory records were filed as part of the permanent documentation.