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Table 1 Sample distribution

From: Water Quality Index for measuring drinking water quality in rural Bangladesh: a cross-sectional study

  Spot test Laboratory test
Chemical parameter Arsenic (As) Arsenic (As) Manganese (Mn) Iron (Fe) pH Salinity (NaCl)
Households visited 960 293     
Sample tested 645 64 293 293 249 249
Total sample 645 542