T/CNFPIA 4019-2024 Guidelines for Carbon Footprint Evaluation of Tung Oil and Tung Resin Oil

Scope

Scope: This document establishes the evaluation principles for the carbon footprints of rosin and turpentine, and stipulates the evaluation basis, system process, allocation principles, data requirements, calculation, recording, and preservation of product carbon footprints, as well as product carbon footprint evaluations. This document applies to the carbon footprint evaluation of rosin and turpentine from raw material acquisition to the product leaving the production enterprise; Main technical content: 4. Evaluation principles: The product carbon footprint should be considered from the perspective of life cycle assessment (LCA), including all or part of the stages. Based on the same methodological approach, the following principles should be followed. 4.1 Completeness: The product carbon footprint evaluation should include all greenhouse gas emissions and removals that make a substantial contribution to the carbon footprint. 4.2 Accuracy: Ensure that the quantification and reporting of the product carbon footprint are accurate, verifiable, relevant, and free from misleading information, while minimizing deviations and uncertainties. 4.3 Authenticity: The collected data should be authentic and reliable, and truly reflect the greenhouse gas emissions of the product. 4.4 Transparency: All relevant issues should be recorded in an open manner. All relevant assumptions, methodologies used, and data sources should be described in the evaluation report. All estimates should be clearly explained and deviations avoided, so that the product carbon footprint evaluation report accurately conveys its content. 5. Evaluation basis 5.1 System boundary: The system boundary of this document is set as the carbon footprint evaluation from the collection of resin to the rosin or turpentine products leaving the production enterprise, i.e., from cradle to gate (Cr-Ga). 5.2 Declaration unit: The product carbon footprint evaluation should clearly specify the declaration unit of the eval

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