Table 1 Levels of soil heavy metals from investigated areas (mgKg ^-1 , * p < 0.05)

R Area

55489.20*

5737.71*

359.33*

47.83*

14.29*

2.00*

130.10*

Standard Deviation

1090.07

402.07

16.76

3.02

0.48

0.23

4.37

M Area

44582.45*

1845.28

197.03*

229.15*

18.40*

0.40*

22.02*

Standard Deviation

429.50

75.69

7.61

10.27

0.40

0.02

0.85

Ref Area

32774.91

2117.80

136.26

23.94

11.12

0.17

16.76

Standard Deviation

562.62

197.96

5.64

1.35

0.40

0.01

0.63

Normal contents,

for Romania (NC)

-

900

100

20

20

1

20

Alert threshold values

for Romania (ATV)

-

1500

300

100

75

3

50

Intervention threshold

Values for Romania (ITV)

-

2500

600

200

150

5

100