Chemical pollutants

Sampling point

Standard

Anions

Unit

P1

P2

P3

P4

Chlorides (Cl⁻)

mg/L

2307.80

12,318.88

12,691.10

11,698.50

19,354

Sulphates ( ${\text{SO}}_4^{2-}$ )

0.051

0.035

0.023

0.037

2712

Phosphates ( ${\text{PO}}_4^{3-}$ )

0.000

0.000

0.000

0.000

0

Cations

Calcium (Ca²⁺)

39.33

128.82

128.82

178.10

412.10

Magnésium (Mg²⁺)

131.63

1018.41

993.37

1000.12

1300

Sodium (Na⁺)

537.91

920.20

859.61

938.16

10,770

Potassium (K⁺)

42.00

349.50

380.20

379.40

399