Table 10 Cost and carbon emissions of concrete materials.

Portland cement

820^{a, b}

64.7 ^{a, b}

SCBA

110 ^{a, b}

15 ^{a, b}

Fine aggregate

28 ^{a, b}

13.2 ^{a, b}

Coarse aggregate

39 ^{a, b}

16.2 ^{a, b}

water

0.8^c

2.1^c