Table 2.
Annually means concentrations of sixteen PAHs in distribution system (ng/L)
| Compounds PAHs | Occurrence single PAHs (%) | Occurrence in total detected PAHs (n,%) | Range (ng/L) | Mean (ng/L) |
|---|---|---|---|---|
| Nap |
46.50 |
46(19.1) |
ND–63.1 |
4.6 |
| Acy |
5.05 |
5(2.1) |
ND–3.04 |
- |
| Ace |
2.02 |
2(0.8) |
ND–2.33 |
- |
| Fl |
ND3 |
ND |
- |
- |
| Phe |
2.02 |
2(0.8) |
ND–3.43 |
- |
| Ant |
ND |
ND |
- |
- |
| Flu |
ND |
ND |
- |
- |
| Pyr |
ND |
ND |
- |
- |
| BaA |
21.20 |
21(8.7) |
ND–34.05 |
2.29 |
| Chy |
60.60 |
60(25) |
ND–438.96 |
27.35 |
| BbF |
18.18 |
18(7.5) |
ND–24.39 |
2.15 |
| BkF |
21.20 |
21(8.7) |
ND–203.75 |
11.21 |
| BaP |
11.10 |
11(4.6) |
ND–10.77 |
1.33 |
| IcdP |
23.20 |
23(9.5) |
ND–277.51 |
19.70 |
| DahA |
31.30 |
31(12.9) |
ND–114.61 |
6.09 |
| BghiP |
28.90 |
28(11.6) |
ND–67.74 |
3.24 |
| Total PAHs |
- |
|
32.45–733.10 |
85.07 |
| Concentrations as BaP1 |
- |
|
3.14–219.59 |
35.60 |
| ∑Carcinogen PAHs2 | - | 6.00–575.00 | 38.62 |
1 Concentration of indivisuals PAH converted to BaP concentration with using Toxic Equivalency Factors.
2 Sum of carcinogenic PAH.
3 Not determined.