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i <br /> Sample Chain-of-Custody <br /> Chain-of-custody documentation shall be completed in the field and will accompany <br /> each cooler shipped or delivered to the laboratory. Each individual responsible for <br /> sample relinquishment and receipt shall record the time, date and signature of this <br /> relinquishment. A copy of the Gettler-Ryan Chain-of-Custody form appears in <br /> Appendix D. <br />