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Table 3 Concentration, enrichment factor, geoaccumulation index, contamination factor, and pollution load index of metals for surface soil

From: Spatial distribution and source identification of heavy metal pollution in roadside surface soil: a study of Dhaka Aricha highway, Bangladesh

Sampling site

Ba

 

Concentration (ppm)

EF

I geo

CF

PLI

S1

1520

1.076

0.805

2.621

2.589

S2

1670

0.870

0.941

2.879

S3

430

0.330

−1.017

0.741

S4

1500

0.804

0.786

2.586

S5

1350

0.642

0.634

2.328

S6

1780

0.887

1.033

3.069

S7

1440

1.136

0.727

2.483

S8

1680

1.261

0.949

2.897

S9

1610

0.786

0.888

2.776

S10

1680

0.750

0.949

2.897

S11

1680

0.728

0.949

2.897

S12

1880

0.905

1.112

3.241

S13

1370

1.413

0.655

2.362

S14

1930

0.884

1.150

3.328

S15

1600

0.833

0.879

2.759

S16

1650

0.834

0.923

2.845

S17

1910

0.913

1.134

3.293

S18

1550

1.329

0.833

2.672

S19

1350

1.637

0.634

2.328