[Retracted] Groundwater Suitability Evaluation Using Entropy Weightage Quality Index (EWQI) Model and Human Health Cancer Risk Assessment of Heavy Metal in Eastern India

Table 1

Classification standards of groundwater quality according to Entropy Weighted Water Quality Index (EWQI).

Sl no.	Range of EWQI	Category
01	<25	Excellent
02	25-50	Good
03	50-100	Medium
04	100-150	Poor
05	>150	Unfit