标准摘要
[中文适用范围]： 本标准为适用于任何材料或产品流在物料平衡体系中的物料平衡（mass balance）追溯链模型应用，提供了要求与指南，该模型依据ISO 22095界定，包括如何将特定属性赋予此类流程的物料流。标准就以下议题提供相关要求与指南，其中包括： • 与受控混合模式及可交易证书（书账模式）的差异； • 参与物料平衡追溯链模型的组织所须满足的通用要求； • 系统边界，涵盖地理与时限范围； • 转换因子； • 移动平均百分比法； • 信用法； • 透明度、沟通与声明。 [外文原描述]： This document provides requirements and guidelines for the application of the mass balance chain of custody model, as defined in ISO 22095, to any material or product flow within mass balance systems, including how to attribute specified characteristics to flows of such processes. This document provides requirements and guidelines for the following matters, amongst others: differentiations from controlled blending and book and claim models; general requirements for organizations active in a mass balance chain of custody model; system boundaries including geography and time; conversion factors; the rolling average percentage method; the credit method; transparency, communication and claims.
英文名称Chain of custody — Part 2: Requirements and guidelines for mass balance