jiec12030-sup-0001-S1.pdf484KSupporting Information S1: This supporting information consists of three sections (appendices 1, 2, and 3). Appendix 1 briefly explains the procedures used to calculate key performance indicators (KPIs) for this article. Appendix 2 is a table of KPI values. Appendix 3 compares Red Sand to alternatives (virgin sand and crushed limestone), looking at both potential savings on carbon tax and reductions in carbon footprint.

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