The results of the LCI should be presented in a report that explicitly defines the systems analyzed and the boundaries that were set. The report should explain all assumptions made, give the basis for comparison among the systems, and explain the equivalent usage ratio used. Using a checklist or worksheet as shown in Figure 3.4.4 provides a process for communicating this information.
A graphic presentation of information augments tabular data and aids interpretation. Both bar charts (either individual bars or stacked bars) and pie charts help the reader to visualize and assimilate the information from the perspective of gaining ownership or participation in the LCA.
For internal industrial use by product manufacturers, pie charts showing a breakout by raw materials, process, and use or disposal have been useful in identifying waste reduction opportunities.
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