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Table 3 Water quality measurements for well water and drinking water

From: Early detection of viable Francisella tularensis in environmental matrices by culture-based PCR

ParametersaWell Water experimentsDrinking water experiments
LVSIN99Schu4meanSDLVSIN99Schu4meanSD
HPC (log10 CFU mL−1) on HIA3.22.11.62.30.83.33.42.12.90.7
Total Coliforms (MPN 100 mL− 1)3.61.61.42.21.2
E. coli (MPN 100 mL− 1)34<  1< 1
pHb7.397.277.577.410.158.398.178.548.370.19
temperature (°C)b12.011.011.011.330.5837.4636.3336.8836.890.57
conductivity (μS cm−1)b747765759757939349747945656
turbidity (NTU)2.310.490.180.991.150.370.930.400.570.32
DO (%)89.972.377.079.739.1159.459.664.661.202.95
TOC1.00.518.66.710.30.70.50.60.60.1
hardnessb4604104624442917118817017610
alkalinity324259879393914
Free Cl2<  0.02<  0.02<  0.020.020.020.120.050.06
Total Cl20.020.020.020.020.000.080.070.240.130.10
NO30.820.931.000.920.090.740.470.510.570.15
PO40.150.050.670.290.330.240.290.340.290.05
Ca281.8115.8114.7170.896.230.736.436.534.53.3
Cu<  0.001<  0.001<  0.0010.050.080.040.060.02
Fe0.090.030.020.050.040.070.140.050.090.05
K2.21.81.81.90.22.33.02.92.80.4
Mg13.815.314.614.60.79.313.212.611.72.1
Na7.17.87.77.50.418.529.427.925.35.9
P0.040.020.010.030.020.100.160.150.140.03
Sib4.65.04.94.80.22.71.82.12.20.5
Zn0.790.050.090.310.410.030.050.020.030.01
  1. Abbreviations: μS cm-1 microSiemens per centimeter, HIA heart infusion agar, MPN most probable number, NTU Nephelometric Turbidity Units, SD standard deviation
  2. “-”, not performed
  3. aunits are mg L−1 unless stated otherwise
  4. bP < 0.01 between well and drinking water samples. Unpaired t-tests were performed for each parameter except total coliforms, E. coli, free and total Cl2, and Cu