Table 1.
Concentration of PAHs found in PS pellets (in ng/g) deployed for 0, 1, 3, 6, 9 and 12 months in Harbor Excursion and Shelter Island sampling sites, determined using GC×GC/ToF-MS.
| Harbor Excursion | Shelter Island | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| months | 0 (blank) | 1 month | 3 months | 6 months | 9 months | 12 months | 1 month | 3 months | 6 months | 9 months | 12 months | |||||||||||
| n=3 | SD | n=2 | n=2 | n=2 | n=2 | n=2 | n=2 | n=2 | n=2 | n=2 | n=2 | |||||||||||
| 1,3-Dimethylnaphthalene | 24.3 | 4.24 | 29.8 | 17.9 | 22.9 | 23.1 | 15.4 | 22.3 | 18.2 | 17.4 | 17.8 | 14.8 | 18.5 | 21.7 | 17.0 | 17.8 | 14.9 | 14.8 | 9.64 | 12.3 | 13.4 | 8.93 |
| 1-Methylphenanthrene | 12.2 | 0.18 | 29.2 | 16.6 | 17.2 | 16.0 | 16.4 | 15.1 | 19.3 | 16.9 | 18.1 | 17.1 | 13.2 | 13.9 | 13.4 | 13.6 | 14.5 | 12.7 | 14.5 | 12.9 | 13.4 | 13.7 |
| 1-Methylpyrene | n.d. | 0 | 17.6 | 16.2 | 16.3 | 21.0 | 15.6 | 14.9 | 17.5 | 18.1 | 16.3 | 17.8 | n.d. | n.d. | n.d. | n.d. | n.d. | n.d. | n.d. | n.d. | n.d. | n.d. |
| 2,6-Dimethylnaphthalene | 9.30 | 0.5 | 8.33 | 6.67 | 6.73 | 7.33 | 6.56 | 8.21 | 6.83 | 6.26 | 6.94 | 6.92 | 7.45 | 7.98 | 6.51 | 6.90 | 6.30 | 6.04 | 6.30 | 5.67 | 5.97 | 5.75 |
| 2-Methylanthracene | n.d. | 0 | 17.0 | 18.4 | 17.3 | 16.7 | 17.9 | 15.8 | 18.9 | 18.7 | 18.1 | 18.9 | 13.8 | 14.1 | 13.9 | 13.9 | 15.2 | 13.7 | 15.1 | 14.5 | 14.9 | 15.0 |
| 2-Methylphenanthrene | 13.5 | 0.15 | 19.7 | 15.5 | 15.6 | 15.5 | 15.1 | 14.5 | 14.9 | 15.9 | 15.8 | 15.3 | 13.9 | 14.0 | 14.1 | 13.9 | 14.2 | 13.4 | 14.4 | 13.4 | 13.9 | 13.8 |
| Triphenylene | n.d. | 0 | 10.9 | 8.60 | 8.63 | 7.56 | 8.82 | 6.32 | 9.23 | 9.68 | 8.09 | 10.2 | 5.84 | 5.41 | 5.38 | 5.59 | 6.33 | 5.65 | 6.32 | 5.65 | 6.53 | 6.71 |
| ΣMPAHs | 59.2 | 4.71 | 132 | 99.9 | 105 | 107 | 95.9 | 97.1 | 105 | 103 | 101 | 101 | 72.6 | 77.1 | 70.3 | 71.7 | 71.4 | 66.1 | 66.3 | 64.4 | 68.1 | 63.9 |
| Acenaphthene | 5.23 | 0.49 | 38.7 | 13.3 | 13.5 | 14.8 | 14.6 | 13.2 | 15.2 | 14.2 | 15.5 | 14.0 | 5.40 | 5.66 | 6.19 | 5.93 | 5.73 | 5.45 | 6.21 | 5.41 | 5.81 | 5.96 |
| Acenaphthylene | 6.76 | 0.83 | 18.7 | 19.3 | 15.8 | 17.8 | 22.8 | 13.9 | 18.8 | 22.8 | 18.7 | 22.1 | 9.33 | 9.74 | 9.80 | 10.4 | 11.2 | 10.3 | 15.2 | 10.6 | 11.1 | 13.3 |
| Anthracene | 5.41 | 0.14 | 44.1 | 42.2 | 40.1 | 39.2 | 43.8 | 25.4 | 45.9 | 53.5 | 44.3 | 49.4 | 10.1 | 10.6 | 11.0 | 13.7 | 15.6 | 14.3 | 18.1 | 13.5 | 16.7 | 18.1 |
| Benz[a]anthracene | n.d. | n.d. | 34.2 | 21.2 | 17.6 | 17.1 | 18.9 | 12.5 | 21.2 | 18.3 | 16.0 | 19.6 | 6.08 | 6.95 | 6.32 | 7.29 | 8.51 | 6.73 | 8.67 | 7.51 | 7.85 | 9.91 |
| Benzo[a]pyrene | n.d. | n.d. | 24.0 | 21.4 | 18.9 | 19.2 | 17.1 | 13.5 | 16.6 | 24.7 | 16.1 | 18.2 | 6.42 | 7.76 | 7.17 | 8.32 | 9.48 | 7.58 | 11.3 | 8.99 | 9.62 | 10.3 |
| Benzo[b]fluoranthene | n.d. | n.d. | 33.0 | 35.0 | 44.2 | 35.0 | 38.8 | 22.6 | 35.7 | 40.0 | 27.7 | 31.5 | 12.0 | 13.5 | 13.8 | 15.0 | 19.0 | 15.4 | 18.6 | 18.1 | 16.6 | 22.1 |
| Benzo[e]pyrene | n.d. | n.d. | 24.9 | 25.1 | 22.8 | 23.1 | 25.2 | 14.5 | 22.0 | 33.6 | 20.7 | 22.6 | 8.78 | 9.41 | 9.32 | 10.7 | 12.6 | 10.3 | 13.7 | 14.5 | 11.7 | 14.9 |
| Benzo[ghi]perylene | n.d. | n.d. | n.d. | 38.0 | 36.6 | 36.3 | 40.0 | 33.6 | 38.6 | 41.9 | 37.9 | 37.5 | 34.3 | 34.2 | 34.8 | 33.8 | 35.5 | 33.1 | 34.9 | 34.8 | 34.4 | 34.6 |
| Benzo[k]fluoranthene | n.d. | n.d. | 21.7 | 23.3 | 27.9 | 23.2 | 23.1 | 15.9 | 21.7 | 23.3 | 17.4 | 20.2 | 9.43 | 8.73 | 8.54 | 10.6 | 11.9 | 10.2 | 11.3 | 10.6 | 10.8 | 11.9 |
| Chrysene | n.d. | n.d. | 33.9 | 20.9 | 18.7 | 20.0 | 19.2 | 11.7 | 22.0 | 23.6 | 15.4 | 23.5 | 7.45 | 7.30 | 7.50 | 7.72 | 9.25 | 7.49 | 9.09 | 7.55 | 8.36 | 11.8 |
| Fluoranthene | 23.0 | 13.6 | 126 | 33.2 | 41.6 | 35.2 | 39.4 | 24.8 | 46.4 | 36.0 | 33.5 | 43.9 | 18.4 | 19.5 | 18.3 | 19.4 | 21.7 | 18.2 | 25.7 | 21.3 | 23.0 | 26.1 |
| Fluorene | 25.4 | 3.41 | 74.0 | 40.1 | 48.3 | 54.1 | 37.2 | 43.2 | 38.8 | 43.1 | 47.1 | 46.5 | 31.6 | 36.8 | 25.6 | 38.9 | 31.5 | 34.9 | 40.6 | 32.1 | 24.0 | 30.1 |
| Indeno[1,2,3-cd]pyrene | n.d. | n.d. | 30.4 | 33.7 | 33.8 | 32.6 | 34.3 | 27.7 | 33.2 | 39.6 | 32.9 | 32.4 | 27.6 | 28.4 | 27.9 | 29.8 | 30.6 | 27.9 | 28.0 | 29.2 | 29.8 | 30.7 |
| Phenanthrene | 12.6 | 0.64 | 208 | 74.2 | 68.9 | 70.8 | 67.1 | 105 | 96.4 | 141 | 96.9 | 113 | 63.0 | 71.1 | 85.8 | 126 | 133 | 127 | 82.3 | 89.6 | 98.4 | 109 |
| Pyrene | 15.7 | 6.42 | 203 | 55.5 | 74.6 | 59.5 | 68.3 | 21.0 | 73.0 | 57.5 | 58.9 | 68.4 | 17.8 | 22.0 | 14.5 | 15.1 | 22.9 | 17.7 | 13.6 | 20.2 | 17.4 | 27.6 |
| ΣPPAHs | 94.2 | 14.5 | 915 | 496 | 523 | 498 | 510 | 398 | 545 | 613 | 499 | 563 | 268 | 292 | 286 | 353 | 378 | 347 | 337 | 324 | 325 | 376 |
| 9-Fluorenone | 7.90 | 1.2 | 10.0 | 10.1 | 10.5 | 11.2 | 9.08 | 10.5 | 10.8 | 10.6 | 12.9 | 12.0 | 9.63 | 10.9 | 9.47 | 9.64 | 12.0 | 9.83 | 11.0 | 8.97 | 9.11 | 11.1 |
| 1,4-Naphthoquinone | 45.4 | 0.79 | 47.0 | 45.9 | 47.8 | 47.5 | 46.6 | 45.8 | 47.4 | 48.0 | 48.7 | 47.8 | 46.9 | 46.7 | 45.6 | 46.7 | 46.9 | 44.0 | 48.8 | 46.0 | 46.5 | 51.1 |
| ΣOPAHs | 53.3 | 1.93 | 57.0 | 56.0 | 58,3 | 58.7 | 55.7 | 56.3 | 58,2 | 58.6 | 61.6 | 59.8 | 56.5 | 57.6 | 55.1 | 56.3 | 58.9 | 53.9 | 59.8 | 54.9 | 55.6 | 62.2 |
| Dibenzothiophene | 4.35 | 0.06 | 19.3 | 6.90 | 7.41 | 7.30 | 6.19 | 5.99 | 7.40 | 6.92 | 7.13 | 7.02 | 3.98 | 3.99 | 3.87 | 4.01 | 4.08 | 3.92 | 4.15 | 3.93 | 3.97 | 4.03 |
| ΣSPAHs | 4.35 | 0.06 | 19.3 | 6.90 | 7.41 | 7.30 | 6.19 | 5.99 | 7.40 | 6.92 | 7.13 | 7.02 | 3.98 | 3.99 | 3.87 | 4.01 | 4.08 | 3.92 | 4.15 | 3.93 | 3.97 | 4.03 |
| Total PAHs | 211.0 | 21 | 1123 | 659 | 694 | 671 | 667 | 558 | 716 | 782 | 669 | 730 | 401 | 430 | 416 | 485 | 512 | 470 | 468 | 447 | 453 | 506 |
n.d.: compound not detected