Site

Tanghin

Paspanga

Parameters (mg∙kg⁻¹ or L⁻¹)

Soil

Wastewater

Lettuce

Soil

Wastewater

Lettuce

Cd

3.66 ± 0.01^a

3.30 ± 0.03^a

2.93 ± 0.03^a

6.60 ± 0.13^b

2.50 ± 0.03^a

1.27 ± 0.06^a

Cr

196.39 ± 9.13^a

0.51 ± 0.03^a

7.28 ± 0.03^a

218.63 ± 10.2^b

2.27 ± 0.03^b

7.38 ± 0.03^a

Cu

1.01 ± 0.01^a

0.88 ± 0.03^a

0.91 ± 0.03^a

6.20 ± 0.35^b

3.83 ± 0.03^b

1.70 ± 0.03^a

Mn

62.96 ± 0.11^a

0.29 ± 0.03^a

0.26 ± 0.03^a

65.70 ± 1.48^a

6.60 ± 0.03^b

3.96 ± 0.03^b

Ni

15.86 ± 0.12^a

0.50 ± 0.03^a

1.74 ± 0.03^a

16.18 ± 0.03^a

2,30 ± 0.03^b

2.16 ± 0.03^a

Pb

20.65 ± 0.14^a

1.37 ± 0.03^a

1.32 ± 0.03^a

40.26 ± 0.03^b

3.72 ± 0.03^b

1.69 ± 0.05^a

Zn

44.56 ± 0.22^a

3.66 ± 0.03^a

3.79 ± 0.03^a

53.91 ± 0.03^b

3.60 ± 0.03^a

3.08 ± 0.03^a