Definition: a chain of custody model in which materials or products with a set of specified characteristics are mixed according to defined criteria with materials or products without that set of characteristics.

Notes on definition:

• Note 1 to entry: The proportion of the input with specified characteristics might only match the initial proportions on average and will typically vary across different outputs.

Source: ISO 22095:2020

Type of source: Standards

CLEPA comments:

• Comment 1: an important chain of custody models for allocation and verification of secondary and biobased materials.