Resources

Recycled Content Materials Assessment Methodology

This document describes the methodology used to assign an A, B, C, X, or GREY material assessment rating to recycled content materials subject to review in a finished product that is applying for Cradle to Cradle certification. 

The February 2022 version of the methodology is required for use in Version 4.0 assessments. The May 2017 or February 2022 version of the methodology may be used for Version 3.1 assessments.