Research Article
Assessing the Ecological Risk of Polycyclic Aromatic Hydrocarbons in Sediments at Langkawi Island, Malaysia
Table 9
Concentration ranges of PAHs in sediment from Langkawi Island and toxicity guidelines.
| | | SQG, ng g−1 | PAH concentration ng g−1d.w. (s) | Stations (S) | | | ERL | ERM | MIN | MAX | S < ERL | ERL < S < ERM | Name of S < ERM | S OF > ERM |
| | Nap | 160 | 2100 | 72 | 362 | 3 | 7 | S2, S3, S4,
S5, S6, S7, S8 | — | | 1MNap | 85 | 800 | 12 | 94 | 9 | 1 | S3 | — | | 2MNap | 70 | 670 | 2 | 86 | 10 | — | | — | | Acy | 44 | 640 | 13 | 159 | 8 | 2 | S3, S4 | — | | Ace | 16 | 500 | 15 | 259 | 1 | 9 | S1, S2, S3, S4, S5,
S6, S7, S8, S10 | — | | Fl | 19 | 540 | 3 | 21 | 8 | 2 | S6, S10 | — | | Phe | 240 | 1500 | 19 | 65 | 10 | — | | — | | Ant | 85 | 1100 | 7 | 60 | 10 | — | | — | | FIu | 600 | 5100 | 23 | 79 | 10 | — | | — | | Pyr | 665 | 2600 | 43 | 162 | 10 | — | | — | | BaA | 260 | 1600 | 17 | 145 | 10 | — | | — | | Chr | 380 | 2800 | 26 | 455 | 9 | 1 | S10 | — | | BbF | — | — | 18 | 63 | — | — | | — | | BkF | — | — | 31 | 76 | — | — | | — | | BaP | 430 | 2800 | 18 | 55 | 10 | — | | — | | InP | 240 | 950 | 5 | 112 | 10 | — | | — | | DBA | 63 | 260 | 16 | 136 | 7 | 3 | S6, S7, S9 | — | | BgP | 85 | 330 | 22 | 143 | 8 | 2 | S6, S10 | — |
| | 3442 | 24290 | 362 | 2532 | | | | |
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SQGs: sediment quality guidelines, ERL: effect range-low, ERM: effect range-median.
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