Table 4.

Groups with statistically homogeneous compressive strength levels depending on the degree of cement contamination.

Contamination with Saline	Average Compressive Strength [MPa]	Homogeneous Groups
		1	2	3	4	5
0%	84.95	x
1%	90.75		x
2%	82.02	x
3%	76.67			x
4.5%	75.48			x
6%	69.90				x
6.5%	68.86				x
9%	66.17				x	x
10%	63.25					x