Research Article
Levels of PAHs in the Waters, Sediments, and Shrimps of Estero de Urias, an Estuary in Mexico, and Their Toxicological Effects
Table 1
Congener specific PAH concentrations in water, sediments, and shrimps.
| PAH concentrations in water samples (ng/L) | Station/month | Na | Flu | Phe | An | Flur | Py | Chry | BbF | BaP | BgP | IN |
| E1-Feb | 8.4 | 5.9 | 21.1 | 1.8 | 4.6 | 8.1 | 2.8 | 2.0 | 0.6 | 1.4 | 1.6 | E1-May | 3.4 | 1.3 | 4.6 | <dl | 1.0 | 1.8 | 0.6 | <dl | <dl | <dl | <dl | E1-Sep | 3.5 | 1.5 | 5.4 | 0.5 | 1.2 | 2.1 | 0.7 | 0.5 | <dl | <dl | <dl | E1-Dec | 8.9 | 7.4 | 26.6 | 2.3 | 5.8 | 10.2 | 3.5 | 2.5 | 0.7 | 1.7 | 2.0 |
| E2-Feb | 13.7 | 18.9 | 68.0 | 5.8 | 14.8 | 26.2 | 9.1 | 6.4 | 1.8 | 4.4 | 5.2 | E2-May | 4.2 | 1.5 | 5.2 | <dl | 1.1 | 2.0 | 0.7 | 0.5 | <dl | <dl | <dl | E2-Sep | 3.3 | 1.3 | 4.6 | <dl | 1.0 | 1.8 | 0.6 | <dl | <dl | <dl | <dl | E2-Dec | 10.3 | 9.3 | 33.4 | 2.8 | 7.3 | 12.9 | 4.5 | 3.1 | 0.9 | 2.2 | 2.5 |
| E3-Feb | 12.5 | 16.1 | 57.9 | 4.9 | 12.6 | 22.3 | 7.7 | 5.4 | 1.5 | 3.7 | 4.4 | E3-May | 3.7 | 1.7 | 5.9 | 0.5 | 1.3 | 2.3 | 0.8 | 0.6 | <dl | <dl | 0.5 | E3-Sep | 3.5 | 1.6 | 5.6 | 0.5 | 1.2 | 2.2 | 0.7 | 0.5 | <dl | <dl | <dl | E3-Dec | 8.8 | 7.0 | 25.2 | 2.1 | 5.5 | 9.7 | 3.4 | 2.4 | 0.7 | 1.6 | 1.9 |
| E4-Feb | 12.2 | 13.5 | 48.5 | 4.1 | 10.5 | 18.6 | 6.5 | 4.5 | 1.3 | 3.1 | 3.7 | E4-May | 3.4 | 1.4 | 4.9 | <dl | 1.1 | 1.9 | 0.7 | 0.5 | <dl | <dl | <dl | E4-Sep | 3.4 | 1.3 | 4.8 | <dl | 1.0 | 1.8 | 0.6 | <dl | <dl | <dl | <dl | E4-Dec | 8.0 | 7.0 | 25.2 | 2.1 | 5.5 | 9.7 | 3.4 | 2.4 | 0.7 | 1.6 | 1.9 |
| Total PAH | 111.1 | 96.3 | 346.8 | 27.4 | 75.4 | 133.4 | 46.2 | 31.1 | 9.0 | 19.7 | 23.6 |
| PAH concentrations in sediment samples (ng/g) |
| E1-Feb | 18.2 | 17.2 | 39.5 | 2.8 | 15.8 | 26.4 | 13.6 | 12.2 | 6.9 | 6.3 | 5.0 | E1-May | 8.4 | 9.2 | 21.1 | 1.5 | 8.4 | 14.0 | 7.3 | 6.5 | 3.7 | 3.3 | 2.6 | E1-Sep | 3.5 | 2.0 | 4.6 | <dl | 1.8 | 3.1 | 1.6 | 1.4 | 0.8 | 0.7 | 0.6 | E1-Dec | 22.3 | 2.4 | 5.4 | <dl | 2.2 | 3.6 | 1.9 | 1.7 | 0.9 | 0.9 | 0.7 |
| E2-Feb | 19.3 | 29.6 | 68.0 | 4.9 | 27.2 | 45.4 | 23.5 | 20.9 | 11.9 | 10.8 | 8.6 | E2-May | 13.7 | 19.9 | 45.7 | 3.3 | 18.3 | 30.4 | 15.7 | 14.1 | 8.0 | 7.2 | 5.7 | E2-Sep | 3.3 | 2.3 | 5.2 | <dl | 2.1 | 3.5 | 1.8 | 1.6 | 0.9 | 0.8 | 0.7 | E2-Dec | 14.3 | 2.6 | 5.9 | <dl | 2.4 | 4.0 | 2.1 | 1.8 | 1.0 | 0.9 | 0.7 |
| E3-Feb | 22.8 | 26.2 | 60.2 | 4.3 | 24.1 | 40.1 | 20.7 | 18.5 | 10.6 | 9.5 | 7.6 | E3-May | 12.5 | 25.2 | 57.9 | 4.2 | 23.1 | 38.6 | 19.9 | 17.8 | 10.1 | 9.2 | 7.3 | E3-Sep | 3.5 | 2.1 | 4.9 | <dl | 2.0 | 3.3 | 1.7 | 1.5 | 0.9 | 0.8 | 0.6 | E3-Dec | 13.9 | 2.4 | 5.6 | <dl | 2.2 | 3.7 | 1.9 | 1.7 | 1.0 | 0.9 | 0.7 |
| E4-Feb | 17.5 | 15.9 | 36.5 | 2.6 | 14.6 | 24.3 | 12.6 | 11.2 | 6.4 | 5.8 | 4.6 | E4-May | 12.2 | 21.1 | 48.5 | 3.5 | 19.4 | 32.3 | 16.7 | 14.9 | 8.5 | 7.7 | 6.1 | E4-Sep | 3.4 | 2.0 | 4.6 | <dl | 1.8 | 3.1 | 1.6 | 1.4 | 0.8 | 0.7 | 0.6 | E4-Dec | 12.1 | 2.1 | 4.8 | <dl | 1.9 | 3.2 | 1.7 | 1.5 | 0.8 | 0.8 | 0.6 |
| Total PAH | 201.0 | 181.9 | 418.4 | 27.1 | 167.4 | 278.9 | 144.3 | 128.7 | 73.4 | 66.4 | 52.6 |
| PAH concentrations in shrimp samples (ng/g) |
| A1-Feb | 38.1 | 59.7 | 137.4 | 9.9 | 54.9 | 91.6 | 26.6 | 42.3 | 24.1 | 21.8 | 17.3 | A1-May | 51.3 | 77.6 | 178.4 | 12.8 | 71.4 | 119.0 | 33.4 | 54.9 | 31.3 | 28.3 | 22.4 | A1-Sep | 30.2 | 28.1 | 64.5 | 4.6 | 25.8 | 43.0 | 24.1 | 19.9 | 11.3 | 10.2 | 8.1 | A1-Dec | 37.1 | 51.0 | 117.4 | 8.4 | 47.0 | 78.3 | 24.2 | 36.1 | 20.6 | 18.6 | 14.8 |
| Total PAH | 156.8 | 216.4 | 497.8 | 35.8 | 199.1 | 331.8 | 108.3 | 153.2 | 87.3 | 79.0 | 62.6 |
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Na: naphthalene; Flu: fluorine; Phe: phenanthrene; An: anthracene; Flur: fluoranthene; Py: pyrene; Chry: chrysene; BbF: benzo[b]fluoranthene; BaP: benzo[a]pyrene; BgP: benzo[ghi]perylene; IN: Indeno[1,2,3-c,d]pyrene.
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