SEARCH Articles Figures Tables A-SCREEN Aquifer Concentration measurements Concentration, measures Effect concentration and Effect measure Effect of Concentration on Rate Effect of concentration Effect on concentration In aquifer In pumps In screening Measure of effect Measurement, of concentration Measuring concentrations Measuring rate On pump Pump rate Pumping rate Pumps and Pumping Pumps effect) Rate concentrations Rate heterogeneous Rate measurement Rate of As Screening effect Screening effectiveness Screens effectiveness