Table 2.
Estimated lake water and measured soil concentrations (0–5 cm) of 15 PAHs for upland study catchment (n = 5): Lough Cummeenoughter (CUM), Lough Adanacleveen (ADA), Mullincrick Lough (MUL), Sgilloge Lough (SGI), and Cleevaun Lough (CLE).
| PAHs | Rings | Estimated lake concentrations (pg L−1) | Soil concentrations (ng g−1) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| no. | Log K ow | Range | Range | |||||||||
| Min | Max | Mean | SD | %ΣPAHs | Min | Max | Mean | SD | %ΣPAHs | |||
| Naphthalene | 2 | 3.45 | ND | 4.55 | 0.91 | 2.03 | 0.40 | 6.57 | 15.9 | 12.8 | 3.66 | 2.92 |
| Acenaphthylene | 3 | 4.08 | ND | 11.0 | 2.21 | 4.94 | 0.97 | 0.00 | 3.36 | 0.67 | 1.5 | 0.15 |
| Acenaphthene | 3 | 4.22 | ND | 8.32 | 1.66 | 3.72 | 0.73 | 0.24 | 3.51 | 1.70 | 1.3 | 0.39 |
| Fluorene | 3 | 4.38 | ND | 12.8 | 6.79 | 4.84 | 2.98 | 0.45 | 12.4 | 5.20 | 4.5 | 1.19 |
| Phenanthrene | 3 | 4.46 | 65.3 | 302.0 | 129.0 | 98.7 | 56.7 | 2.91 | 91.6 | 47.4 | 37.7 | 10.8 |
| Anthracene | 3 | 4.54 | ND | 38.0 | 7.59 | 17.0 | 3.34 | 1.02 | 70.4 | 25.1 | 27.6 | 5.73 |
| Fluoranthene | 4 | 5.2 | 0.63 | 163.1 | 49.6 | 64.6 | 21.8 | 16.8 | 567.8 | 160.8 | 232.2 | 36.7 |
| Pyrene | 4 | 5.3 | ND | 92.6 | 25.3 | 38.0 | 11.1 | 13.5 | 272.3 | 84.8 | 108.1 | 19.4 |
| Benz[a]anthracene+Chrysene* | 4 | 5.61–5.91 | ND | 12.4 | 3.86 | 0.52 | 1.70 | 4.62 | 158.8 | 41.2 | 66.2 | 9.40 |
| Benzo[b]fluoranthene* | 5 | 5.78 | ND | ND | ND | ND | 0.00 | 1.92 | 169.1 | 38.3 | 73.2 | 8.76 |
| Benzo[a]pyrene* | 5 | 6.35 | ND | 1.21 | 0.47 | 0.52 | 0.21 | ND | 7.44 | 1.61 | 3.3 | 0.37 |
| Benzo[ghi]perylene | 6 | 6.75 | ND | ND | ND | ND | 0.00 | ND | 63.4 | 13.2 | 28.1 | 3.02 |
| Dibenz[a,h]anthracene* | 5 | 6.51 | ND | ND | ND | ND | 0.00 | ND | ND | ND | ND | 0.00 |
| Indeno[1,2,3-cd]pyrene* | 6 | 6.9 | ND | ND | ND | ND | 0.00 | ND | 24.5 | 4.89 | 10.9 | 1.12 |
*known carcinogen.