Metal speciation in soil and health risk due to vegetables consumption in Bangladesh

Md Saiful Islam, Md Kawser Ahmed, Md Habibullah-Al-Mamun

Md Saiful Islam and Md Habibullah-Al-Mamun

Faculty and Graduate School of Environment and Information Sciences, Yokohama

Kanagawa 240-8501, Japan

Yokohama National University, 79-7 Tokiwadai, Hodogaya-ku, Yokohama,

Email:

Md. Saiful Islam

Department of Soil Science, Patuakhali Science and Technology University,

Dumki, Patuakhali, 8602, Bangladesh.

Md Kawser Ahmed,

Department of Oceanography, University of Dhaka, Dhaka-1000, Bangladesh

E-mail:

Md Habibullah-Al-Mamun,

Department of Fisheries

University of Dhaka, Dhaka-1000, Bangladesh

E-mail:

TABLE S1. Metal content in soil (mg/kg) of different geochemical fractions

Metal / Chemical
Fraction / Sampling sites
S1 / S2 / S3 / S4 / S5 / S6 / S7 / S8 / S9 / S10
Cr / F1 / 2.0 / 0.023 / 1.0 / 0.82 / 1.0 / 0.028 / 2.0 / 0.43 / 2.5 / 0.68
F2 / 1.6 / 2.7 / 4.4 / 6.4 / 5.1 / 1.3 / 3.9 / 3.4 / 1.5 / 1.7
F3 / 12 / 6.5 / 7.9 / 2.2 / 8.6 / 2.9 / 9.5 / 1.4 / 3.7 / 4.0
F4 / 8.1 / 7.7 / 15 / 6.1 / 6.6 / 4.9 / 12 / 3.6 / 5.7 / 1.0
F5 / 9.1 / 12 / 9.4 / 6.6 / 17 / 11 / 14 / 8.4 / 13.7 / 3.9
Ni / F1 / 0.14 / 1.2 / 1.9 / 0.19 / 2.3 / 0.19 / 0.19 / 0.082 / 0.81 / 0.65
F2 / 3.1 / 3.3 / 1.6 / 1.3 / 3.1 / 2.2 / 2.0 / 2.2 / 1.8 / 1.2
F3 / 5.0 / 3.2 / 4.5 / 5.3 / 8.7 / 3.7 / 7.9 / 2.7 / 2.8 / 2.6
F4 / 10 / 4.5 / 6.9 / 8.0 / 6.6 / 4.7 / 5.1 / 3.5 / 7.8 / 4.9
F5 / 18 / 18 / 16 / 9.7 / 11 / 6.2 / 8.5 / 7.0 / 5.1 / 4.4
Cu / F1 / 2.6 / 1.4 / 0.81 / 0.82 / 0.94 / 1.0 / 0.64 / 0.84 / 0.75 / 1.5
F2 / 3.4 / 5.0 / 4.7 / 2.3 / 2.7 / 1.2 / 1.4 / 0.74 / 2.8 / 1.5
F3 / 7.6 / 6.8 / 3.7 / 1.2 / 5.0 / 5.6 / 4.4 / 2.9 / 3.8 / 5.5
F4 / 5.2 / 6.6 / 4.3 / 5.2 / 4.6 / 2.6 / 3.9 / 3.5 / 2.8 / 3.5
F5 / 13 / 9.8 / 10.8 / 9.5 / 15 / 6.0 / 8.1 / 3.9 / 4.5 / 5.5
As / F1 / 0.70 / 0.90 / 0.74 / 0.81 / 0.80 / 0.56 / 1.00 / 0.011 / 0.78 / 0.20
F2 / 1.2 / 2.8 / 2.1 / 1.3 / 2.3 / 1.0 / 2.3 / 0.2 / 2.1 / 1.0
F3 / 3.0 / 1.7 / 5.9 / 1.2 / 2.4 / 2.1 / 3.6 / 2.8 / 1.2 / 1.6
F4 / 3.5 / 2.5 / 4.1 / 4.4 / 4.1 / 2.1 / 3.2 / 0.70 / 3.5 / 2.0
F5 / 7.9 / 6.5 / 2.8 / 4.2 / 6.1 / 4.5 / 5.2 / 4.7 / 7.3 / 2.7
Cd / F1 / 0.75 / 1.0 / 1.0 / 0.044 / 0.15 / 0.067 / 2.0 / 0.024 / 0.045 / 0.19
F2 / 0.81 / 0.70 / 0.50 / 0.47 / 1.2 / 2.0 / 2.7 / 0.90 / 0.93 / 0.94
F3 / 1.1 / 1.7 / 0.79 / 1.3 / 3.0 / 2.5 / 1.7 / 0.63 / 0.89 / 0.75
F4 / 0.77 / 1.8 / 2.4 / 2.9 / 1.2 / 2.6 / 1.9 / 0.73 / 1.5 / 0.59
F5 / 2.9 / 1.8 / 4.0 / 3.3 / 1.9 / 2.6 / 2.7 / 1.8 / 1.7 / 0.75
Pb / F1 / 0.81 / 0.51 / 1.0 / 1.3 / 2.8 / 0.52 / 1.0 / 0.81 / 0.52 / 0.82
F2 / 2.0 / 1.2 / 2.3 / 3.0 / 4.9 / 1.6 / 5.6 / 2.4 / 1.9 / 1.2
F3 / 3.2 / 2.6 / 2.8 / 2.9 / 7.8 / 5.8 / 3.6 / 2.1 / 4.3 / 1.2
F4 / 2.9 / 3.4 / 7.5 / 5.3 / 6.0 / 5.1 / 5.3 / 5.0 / 3.8 / 3.2
F5 / 6.2 / 6.3 / 11 / 9.7 / 9.6 / 9.1 / 11 / 6.2 / 5.6 / 6.6