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Table 4 The content of PAHs (μg∙kg−1) in years from 2014 till 2016

From: Mutual relations between PAHs derived from atmospheric deposition, enzymatic activity, and humic substances in soils of differently urbanized areas

 

Urban area

Suburban area

Rural area

Year

2014

2015

2016

2014

2015

2016

2014

2015

2016

Ace

56.9

62.4

70.1

38.1

43.2

47.8

24.3

23.7

25.1

Fl

328.6

340.6

370.5

244.3

258.4

261.9

121.8

122.4

119.7

Phen

401.8

430.2

456.0

219.6

236.8

252.3

58.1

60.2

69.6

Ant

45.6

52.1

55.9

25.9

30.1

34.6

7.9

8.6

9.8

Fluo

369.7

392.5

422.8

321.2

356.8

384.2

57.8

59.3

58.4

Pyr

304.6

321.9

348.2

256.0

272.1

293.6

41.3

42.2

41.4

BaA

136.2

149.8

157.4

49.5

56.8

60.9

6.4

7.6

6.9

Chr

128.3

141.6

152.8

113.9

120.5

134.8

20.9

26.4

22.3

BbF

112.8

130.2

145.6

42.8

46.9

52.3

6.8

7.2

6.1

BkF

58.4

66.0

71.9

30.1

36.8

39.2

4.3

5.2

4.9

BaP

49.6

55.8

61.2

17.9

18.6

19.3

10.8

11.6

11.2

DahA

25.8

27.2

30.5

22.6

25.4

27.8

19.1

18.4

19.8

BghiP

28.4

33.1

35.4

12.8

14.1

15.3

3.8

4.6

4.2

Ind

37.2

40.8

44.6

31.5

36.9

40.1

4.3

5.2

4.9

Σ

2083.9

2244.2

2422.9

1426.2

1553.4

1664.1

387.6

402.6

404.3

Pollution degree#

30

30

30

30

30

30

10

10

10

  1. Ace acenaphthlene, Fl fluorene, Phen phenanthrene, Ant anthracene, Fluo fluoranthene, Pyr pyrene, BaA benzo(a)anthracene, Chr chrysene, BbF benzo(b)fluoranthene, BkF benzo(k)fluoranthene, BaP benzo(a)pyrene, DahA dibenzo(a,h)anthracene, BghiP benzo(ghi)perylene, Ind indeno(1,2,3-cd)pyrene
  2. #Pollution degree (Kabata-Pendias et al. 1995) 10 uncontaminated soil—increased content (ΣPAHs 200–600 μg∙kg−1) 30 contaminated soil (ΣPAHs 1000–5000 μg kg−1); the values apply to “mean” soil, containing up to 2% of organic matter (mg·kg−1)
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