Locations	Depths	Ecological Risk Factor			RI	Ecological Risk
Locations	Depths	As	Cd	Zn	RI	Ecological Risk
NFB	0 - 20	4.57	235	0.32	245	Moderate
	20 - 40	5.73	199	0.26	208	Moderate
	40 - 80	2.48	75.0	0.17	80.4	Low
NSM	0 - 20	2.41	154	0.17	160	Moderate
	20 - 40	2.78	79.5	0.28	85.4	Low
	40 - 80	1.57	40.8	0.16	44.0	Low
NPS	0 - 20	1.79	33.5	0.13	37.9	Low
	20 - 40	1.51	19.7	0.10	23.3	Low
	40 - 80	0.41	4.80	0.05	6.39	Low
SFB	0 - 20	1.32	62.9	0.16	67.9	Low
	20 - 40	0.80	40.1	0.10	49.0	Low
	40 - 80	0.33	19.5	0.06	20.9	Low