Groundwater Risk Assessment of a Rock Cave Type Landfill with Nontraditional Solid Waste

Table 1

Predictor identification.

Item	Cr6+	Total Cr	Hg	Cd	As	Pb	Ni
Control limit for entering landfill area (mg/L)	6	15	0.12	0.6	2	1.2	2
Class III standard	0.05	0.05	0.001	0.005	0.01	0.01	0.02
Standard index	120	300	120	120	200	120	100