y Ash 282 100% 282 Water 275 Slag 750 100% 750 Recycled Concrete Aggregate 1000 100% 1000 Sand 1200 Sample Totals 3.789 1000 1060 Postconsumer Content (1000/3789) 26.4% Preconsumer Content (1060(3789) 28.0% Table 2. Sample Assembly Recycled Content for BIFMA Typical Workstation Configuration Ma