Chain of custody is the documented trail that follows a material through every step of the supply chain, from the point where waste is collected to the finished product. In recycling, it is the evidence behind a recycled-content claim.
Standards define several chain-of-custody models. Segregation keeps certified material physically separate. Controlled blending mixes recycled and virgin material in a known ratio in each batch. Mass balance tracks quantities through bookkeeping. Schemes such as RecyClass, GRS and RCS audit these records. Lucro’s Vankas facility is RecyClass certified under the controlled-blending model, which supports the traceability brands need for EPR reporting.
