When to Use Chain of Custody for Samples Being Submitted
Chapter 6 of the DoD Food Analysis and Diagnostic Laboratory Submission Guide provides information on the use of the Sample Collection Chain of Custody (COC), DA Form 4137. A COC ensure integrity, accountability and documentation from time of sample collection until sample is processed at the laboratory. Additional questions concerning COC initiation can directed to FADL personnel at
usarmy.jbsa.medcom-ph-c.mbx.phcc-fadl-food-protection@mail.mil.
COC is required for the following sample submissions:
- Suspected intentional contamination
- Criminal investigation
- Association with a food protection audit or food and water risk assessment (FWRA)
- Association with a foodborne illness investigation or foreign material determination.
- Analysis in accordance with a contract that specifies testing must be completed at DoD FADL