Double Weighted Average Method for Assessment of Groundwater Salt Pollution in Shijiazhuang City
石家庄市地下水盐污染评价——双权均值法

Groundwater salt pollution has been a prominent manifestation of deterioration of groundwater environment quality in Shijiazhuang city. This study can be regarded as an example of groundwater salt pollution. In this paper,five ordinary components,namely hardness,total dissolved solids, Cl - , SO 2- 4 and NO - 3 are selected as the assessment factors, and Double Weighted Average Method is used in the comprehensive assessment of groundwater salt pollution.This is a simple and new try with satisfactory result.