The Receptor ranks in the study area.

Note: In “the Chinese Groundwater Quality Standards(GB/T 14848–93), which divides the groundwater quality into five categories (I, II, III, IV and V, respectively), indicates the good or bad quality of groundwater, Class I and II is suitable for various purposes, Class III is applicable to centralized drinking groundwater sources, or for industry and agriculture, Class IV and V represents poor water quality, should be strictly processed to use. The Receptor ranks in the study area.