Parameters

N

Undredged Mean ± SD

Dredged Mean ± SD

LASEPA Standard

Temperature

3

28.83 ± 0.15

28.80 ± 0.30

35 - 40

pH

3

7.21 ± 0.08

7.40 ± 0.14

6.0 - 9.0

Conductivity

3

0.26 ± 0.13

0.14 ± 0.06

0.1 µS/cm

Nitrate

3

2.34 ± 2.00

1.60 ± 2.19

250 mg/kgN

Phosphate

3

0.48 ± 0.41

0.37 ± 2.12

150 mg/kgp

Sulphate

3

7.67 ± 4.72

7.00 ± 9.64

300 mg/kgS

Zinc

3

0.59 ± 0.95

0.29 ± 0.49

<1

Copper

3

0.04 ± 0.44

0.02 ± 0.00

NS

Iron

3

0.00 ± 0.02

0.00 ± 0.00

5 mg/kg Fe

Manganese

3

0.13 ± 0.16

0.36 ± 0.52

NS

Lead

3

9.73 ± 6.45

9.68 ± 13.24

5.0 mg/kg

Potassium

3

0.02 ± 0.03

0.11 ± 0.11

725 mg/kg k

Nickel

3

0.02 ± 0.03

0.02 ± 0.03

NS

Moisture

3

1.07 ± 0.22

0.15 ± 0.05

0.250

% Organic Carbon

3

58.05 ± 1.11

59.39 ± 0.61

NS

% Organic Matter

3

407.38 ± 533.23

100.95 ± 1.05

>6