14
Nov
U.S Customs and Border Protection has published its first Isotopic Testing Guidance document, which can be accessed on the CBP website using the following link – https://www.cbp.gov/document/publications/isotopic-testing-guide . The Guidance explains CBP’s perception of the role of isotopic testing in supply chain traceability and sets out recommended isotopic testing standards.
As explained in the Guidance, isotopic testing is a scientific method that identifies the atomic structure of naturally occurring materials, or a “fingerprint” of the material, affected by local environmental conditions....