To ensure reduction in materials are documented from an established baseline to quantify the benefits of ongoing reduction efforts.
Identify at least one material that is being reduced and collect documentation of the material volumes from a determined baseline period that is representative of ongoing operations. Establish a methodology to appropriately calculate the reduction by weight or volume for each material. Calculate reduction and display results by commodity.
Document material generation for a given baseline period, usually one calendar or fiscal year prior to the implementation of waste reduction activities for that material. Then calculate the current volume of the same material generated as a result of waste reduction activities. This exercise should be carried out for each material type targeted for reduction.
- Narrative describing which material(s) were reduced and the methodology used to calculate waste reduction for each
- Documentation of the volume and/or weight of materials generated for a baseline period and for the present. Documentation should also include the calculated reduction/difference.
Use any previous occurrence of the same event, before implementing the reduction action, as a baseline. If it is a one-time or first-time event, calculate reduction against an alternative scenario where the reduction action(s) has not taken place. Refer to the credit entry in the TRUE Rating System for further requirements.
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