This monograph instructs the reader on how to analyze the hydrogeochemical vulnerability. It
introduces notions of geochemical signals points of migration of pollutants in the unsaturated
zone and new hydrogeochemical classifications. Three test sites in the USA Germany and
Moldova are described as case studies accompanied by illustrative data. The authors presuppose
for future readers only the background mathematics and elementary knowledge of hydrogeology.
The presented methodology is both for local and regional assessments. It is simple does not
need implication of high qualification specialists and can be applied to test the groundwater
quality. The book is useful for undergraduate graduate master and PhD students as well as
water quality specialists ecologists and geology professionals.
