Table 12 Statistical evaluation of PAH concentrations in forest soils
PAHs | Unit | Minimum | Maximum | Arithmetic mean | Standard deviation | Geometric mean | Median | Number of samples |
|---|---|---|---|---|---|---|---|---|
Naphthalene | mg/kg dm | 0.100 | 0.360 | 0.210 | 0.100 | 0.180 | 0.190 | 20 |
Acenaphthylene | mg/kg dm | LD* | 0.100 | 0.020 | 0.020 | 0.040 | 0.040 | 20 |
Acenaphthene | mg/kg dm | 0.110 | 1.300 | 0.370 | 0.320 | 0.290 | 0.250 | 20 |
Fluorene | mg/kg dm | 0.080 | 1.000 | 0.270 | 0.280 | 0.190 | 0.170 | 20 |
Phenanthrene | mg/kg dm | 0.570 | 6.900 | 1.990 | 1.550 | 1.580 | 1.400 | 20 |
Anthracene | mg/kg dm | 0.080 | 1.000 | 0.310 | 0.260 | 0.230 | 0.210 | 20 |
Fluoranthene | mg/kg dm | 1.400 | 17.000 | 5.010 | 4.300 | 3.860 | 3.300 | 20 |
Pyrene | mg/kg dm | 0.900 | 11.000 | 3.270 | 2.790 | 2.520 | 2.200 | 20 |
Benzo[a] anthracene | mg/kg dm | 0.450 | 6.400 | 1.690 | 1.500 | 1.290 | 1.100 | 20 |
Chrysene | mg/kg dm | 0.960 | 10.000 | 3.010 | 2.330 | 2.430 | 2.150 | 20 |
Benzo[b] fluoranthene | mg/kg dm | 0.710 | 6.000 | 2.090 | 1.390 | 1.760 | 1.700 | 20 |
Benzo[k] fluoranthene | mg/kg dm | 0.320 | 3.200 | 1.030 | 0.740 | 0.850 | 0.780 | 20 |
Benzo[a] pyrene | mg/kg dm | 0.530 | 6.200 | 1.850 | 1.480 | 1.470 | 1.300 | 20 |
Dibenzo[a.h] anthracene | mg/kg dm | 0.460 | 4.500 | 1.420 | 1.010 | 1.180 | 1.100 | 20 |
Benzo[ghi] perylene | mg/kg dm | 0.110 | 0.990 | 0.340 | 0.230 | 0.280 | 0.270 | 20 |
Indeno[123-cd)pyrene | mg/kg dm | 0.830 | 8.100 | 2.630 | 1.840 | 2.180 | 2.050 | 20 |
Σ 16 PAHs | mg/kg dm | 7.660 | 79.390 | 25.510 | 19.660 | 20.470 | 18.210 | 20 |
Σ 7 carcinogenic PAHs | mg/kg dm | 4.260 | 44.400 | 13.927 | 10.474 | 11.261 | 10.580 | 20 |