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December 23, 1999 • C.5.3 Chain-of-Custody Form (COC) Puge C-ll A COC form shall be filled out in the field after samples have been collected, and accompany every shipment ofsamples to the analytical laboratory. The purpose of the COC form is to establish the documentation necessary to trace possession from the time of collection to disposal. The COC will be filled out at least in duplicate by the field technician who has been designated to handle/ship samples to the analytical laboratory. Information contained on the COC will contain the same level of detail found on the sample label/tags. All corrections to [he COC record wil! be initialed and dated by the person making the corrections. The custody record will include the following information: - Sampler's name and organization (company) - Date and time of sample collection - Sample identification number, sample matrix, sample preservation, and type of sample collected (composite/grab) - Analysis requested • Signature of the person relinquishing samples to be transported, with the time and date of the transfer noted, and signature of the designated sample custodian at the receiving facility. In addition, any special analytical instructions will be noted on the COC. The relinquishing individual will record all shipping data (e.g., air bill number, transported, time, and date) on the original custody form record, which will accompany the samples to the receiving facility and be retained in the facility's file. Original and duplicate custody records, together with the air bill or delivery note, constitute a complete custody record. It is the environmental manager's responsibility to ensure that all records are consistent and that they are made a part of the permanent project file. The laboratory will enter the following information on the COC: - Name of person(s) receiving the sample - Date of sample receipt - Sample condition • Each COC form will include signatures ofthe appropriate individuals indicated on [he form. The original will follow the samples to the laboratory (taped to the inside of the cooler lid) and one Agapito Associates, [nc.