Washington — A new federal government report is calling for national standards around a "mass balance" approach to measuring recycled content in plastics made from chemical recycling, saying it would ...

Four Swedish organizations are pushing the International Organization for Standardization to use what they call traceable mass balance as a basis for standardizing the mass balance method of making ...

The American Chemistry Council (ACC), Washington, has released an updated version of its mass balance principles for advanced recycling. The update was made as plastic makers call for a more ...