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Implementing the mass balance approach
The mass balance approach today
The mass balance approach is an important milestone on the journey toward a circular economy. Because bio-based feedstocks are often mixed with other materials during manufacturing, it’s not always practical or feasible to physically separate recycled content and track it separately.
How it varies from other tracking methods
Alternatively, the mass balance approach measures the amount of circular and/or bio-based feedstocks at various points throughout the production process and segregates it in bookkeeping. Each of the final outputs then have a more accurate measure of its share of circular and/or bio-based feedstock versus fossil feedstocks.
Benefits of using the mass balance approach
Also, those using the mass balance approach can make more credible claims about the sustainability of their final products.