Code

Zn (mg/L)

Cu (mg/L)

Cd (mg/L)

Pb (mg/L)

Mn (mg/L)

Fe (mg/L)

Cr (mg/L)

Ni (mg/L)

WHO/NFEPA

3.0

1.5

0.003

0.005

0.02

0.3

0.05

0.02

Gw1a

0.319

0.413

ND

ND

ND

0.051

ND

ND

Gw1b

0.493

0.043

ND

ND

ND

0.054

ND

ND

Gw1c

0.912

0.072

ND

ND

ND

0.056

ND

ND

Gw1d

0.883

0.066

ND

ND

ND

0.049

ND

ND

Gw1e

0.413

0.210

ND

ND

ND

0.061

ND

ND

Gw1f

1.660

2.261

0.005

0.021

0.016

1.742

0.220

0.053

Gw1g

1.563

1.023

0.003

0.002

0.130

1.502

0.320

0.730

Gw2a

0.445

0.412

ND

ND

ND

0.057

ND

ND

Gw2b

0.323

0.637

ND

ND

ND

0.066

ND

ND

Gw2c

0.217

0.315

ND

ND

ND

0.072

ND

ND

Gw2d

1.003

0.651

ND

ND

0.003

0.752

ND

ND

Gw2e

0.963

0.713

ND

ND

ND

0.043

ND

ND

Gw2f

0.994

0.664

ND

ND

ND

0.039

0.003

ND

Gw2g

0.763

ND

ND

ND

ND

0.813

0.002

0.001

Gw Mean

0.782

0.534  

0.001             

0.002

0.011

0.383

0.039

0.056

Cont1

0.534

0.362

ND

ND

ND

0.045

ND

ND

Cont2

0.231

0.059

ND

ND

ND

0.063

ND

ND

Cont3

0.051

0.392

ND

ND

ND

0.045

ND

ND

Cont4

0.396

0.572

ND

ND

ND

0.065

ND

ND

Cont5

0.343

0.162

ND

ND

ND

0.049

ND

ND

Cont6

0.219

0.330

ND

ND

ND

0.052

ND

ND

Cont7

0.214

0.062

ND

ND

ND

0.052

ND

ND

Cont Mean

0.284

0.277

 0

0

 0

0.053

 0

 0