Table 6.

CO₂ evaluation of OPC concrete.

Item	Material and Production
	A	B	A·B
	kg/m3	CO2-kg/kg	CO2-kg/m3
OPC	373	0.944	352.1
Sand	756	0.0026	2.0
Coarse	924	0.0075	6.9
Water	205	1.96 × 10−4	0.0
Admixture	0.1492	0.25	0.0
Conc. production	2258	0.008	18.1
Sum	–	–	379.2
Wet-curing	–	–	38.5
Total * = 417.7 CO2-kg/m3

Note: * CO₂ emission of steel fiber (1.6 CO₂-kg/kg) is not included.