Operations and Procedures:
Sample Handling
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### Proper Chain-of-Custody (COC), continued

A laboratory can use its own COC form, or one modeled after the example provided in Appendix G of the WLA-RP. At a minimum, the following fields should be included on the COC:

Project/Site Information Sample Information Shipping Information Sample Receipt Information Appendix G The fields are also listed in Appendix H of the WLA-RP. Additionally, COC training is available from the WLA-RP Training Center. Appendix H |

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