Parameters

A

B

C

D

E

TOC (%)

2.18

1.1

1

3.5

1.22

Nitrate (mg/kg)

0.69

0.59

0.541

0.722

0.42

Phosphate (mg/kg)

0.016

0.013

0.023

0.018

0.01

Sulphate (mg/kg)

831.4

332.8

280.2

315.1

277.2

Total nitrogen (mg/kg)

0.14

0.17

0.23

0.18

0.2

pH

5.76

5.33

3.96

5.05

5.63

E.C (μs/cm)

4420.6

1877.3

1712.9

1775.1

1647.1