Pb (mg/kg)

Fe (mg/kg)

Cu (mg/kg)

Cr (mg/kg)

Zn (mg/kg)

As

(mg/kg)

Spring, SS1

<30.0

25200.00 ± 58.00

31.40 ± 1.10

83.10 ± 2.87

81.30 ± 1.99

2.76 ± 0.01

Spring, SS2

<30.0

25500.00 ± 61.00

31.80 ± 0.90

59.40 ± 2.12

89.90 ± 3.22

4.58 ± 0.02

Summer, SS1

<30.0

27600.00 ± 32.00

32.10 ± 0.70

83.60 ± 2.66

93.00 ± 1.42

1.88 ± 0.01

Summer, SS2

<30.0

26400.00 ± 59.00

32.10 ± 1.20

66.00 ± 1.89

91.50 ± 2.89

4.44 ± 0.03

Autumn, SS1

<30.0

28100.00 ± 45.00

30.60 ± 0.50

81.70 ± 1.57

90.10 ± 1.08

2.40 ± 0.02

Autumn, SS2

<30.0

23600.00 ± 52.00

31.00 ± 0.20

63.60 ± 1.75

97.00 ± 3.55

4.37 ± 0.01

Winter, SS1

<30.0

28200.00 ± 42.00

34.00 ± 0.90

79.20 ± 1.28

97.00 ± 2.80

2.14 ± 0.01

Winter, SS2

<30.0

21000.00 ± 20.00

37.00 ± 0.40

58.40 ± 1.97

78.70 ± 1.43

4.80 ± 0.02