Table 8.

Calculated hazard quotients (HQ) for major contaminants compared against the WHO reference doses for adults and children.

Metal	Median	Mean adult HQ	P95	Max	Median	Mean child HQ	P95	Max
As, mg/L	0.41926	0.45065	0.97769	1.07082	0.97827	1.05152	2.28128	2.49859
Cd, mg/L	0.00469	0.00536	0.01421	0.01650	0.01095	0.01250	0.03315	0.03851
Cu, mg/L	0.00662	0.00968	0.02556	0.03768	0.01545	0.02260	0.05963	0.08792
Fe, mg/L	0.04311	0.15269	0.59552	0.86533	0.10059	0.35627	1.38954	2.01910
Mn, mg/L	0.01983	0.03566	0.09642	0.18374	0.04626	0.08320	0.22499	0.42873
Mo, mg/L	0.00612	0.00551	0.00976	0.01114	0.01429	0.01286	0.02276	0.02598
Ni, mg/L	0.00838	0.01619	0.06080	0.07352	0.01955	0.03777	0.14187	0.17155
Pb, mg/L	0.00892	0.02126	0.07573	0.10160	0.02080	0.04962	0.17670	0.23707
Zn, mg/L	0.00219	0.00263	0.00607	0.00675	0.00512	0.00613	0.01416	0.01574