Environmental Monitoring and Sustainability Initiative

Groundwater Quality Test Parameter HTSA # 347 HTSA # 344b Test Parameter HTSA # 347 HTSA # 344b pH value at 25°C 6.8 6.6 Sulphate mg/l 46.2 37.6 Conductivity at 25°C µS/cm 1494 1918 Total Suspended Solids mg/l 2 3 Silica mg/l 46 50 Total Dissolved Solids mg/l 1,405 1,902 Boron mg/l 2.55 4.66 Turbidity NTU 1.4 3.1 Salinity ppt 0.5 0.8 Arsenic mg/l <0.05 0.18 Free Chlorine mg/l < 0.02 < 0.02 CO2 mg/l 104.7 250.9 NH3 + NH4 + mg/l 0.31 0.33 NO3-+ NO2- mg/l 0.05 0.01 Total Alkalinity mg/l 656.7 855.7 Potassium mg/l 1.14 2.49 Sodium mg/l 219.1 314.6 Total Hardness mg/l 154.2 190.0 Magnesium mg/l 27.05 30.52 Calcium mg/l 17.14 25.76 Total Coliform CFU/100ml <1 <1 Strontium mg/l 1.13 1.56 Escherichia coli, CFU/100ml <1 <1 TOC mg/l 33 86 (35°C, 24 hr) DOC mg/l 23 61 Iron mg/l <0.01 0.02 UV 254 cm-1 0.024 0.024 Barium mg/l 0.04 0.09 Manganese mg/l 0.01 0.09 CO3- mg/l < 1.0 < 1.0 HCO3- mg/l 656.7 855.7 Chloride mg/l 74.7 102.6 Fluoride mg/l 1.4 1.5

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