[Retracted] Utilization of Red Mud-Fly Ash Reinforced with Cement in Road Construction Applications

Table 3

Chemical analysis of leachate of RM and RFC9 in comparison with the various standards.

Analytes	Results obtained (mg/l)		Drinking water standards (mg/l)	TCLP limits (mg/l)	WHO standards of drinking water (mg/l)
	RM	RFC9
Arsenic (As)	0.001	0.160	0.05	5.0	0.01
Cadmium (Cd)	0.04	0.23	0.005	1.0	0.003
Chromium (Cr)	0.76	1.16	0.1	5.0	0.05
Lead (Pb)	0.70	1.98	0.015	5.0	0.01
Mercury (Hg)	0.001	0.02	0.002	0.2	0.001
Sodium (Na)	4.12	6.76	20	40	20
Calcium (Ca)	216.8	234	20–208	—	20–208
Silica (SiO2)	116.9	145.77	100	200	100