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/monthNaFluPheAnFlurPyChryBbFBaPBgPIN

E1-Feb8.45.921.11.84.68.12.82.00.61.41.6
E1-May3.41.34.6<dl1.01.80.6<dl<dl<dl<dl
E1-Sep3.51.55.40.51.22.10.70.5<dl<dl<dl
E1-Dec8.97.426.62.35.810.23.52.50.71.72.0

E2-Feb13.718.968.05.814.826.29.16.41.84.45.2
E2-May4.21.55.2<dl1.12.00.70.5<dl<dl<dl
E2-Sep3.31.34.6<dl1.01.80.6<dl<dl<dl<dl
E2-Dec10.39.333.42.87.312.94.53.10.92.22.5

E3-Feb12.516.157.94.912.622.37.75.41.53.74.4
E3-May3.71.75.90.51.32.30.80.6<dl<dl0.5
E3-Sep3.51.65.60.51.22.20.70.5<dl<dl<dl
E3-Dec8.87.025.22.15.59.73.42.40.71.61.9

E4-Feb12.213.548.54.110.518.66.54.51.33.13.7
E4-May3.41.44.9<dl1.11.90.70.5<dl<dl<dl
E4-Sep3.41.34.8<dl1.01.80.6<dl<dl<dl<dl
E4-Dec8.07.025.22.15.59.73.42.40.71.61.9

Total PAH111.196.3346.827.475.4133.446.231.19.019.723.6

PAH concentrations in sediment samples (ng/g)

E1-Feb18.217.239.52.815.826.413.612.26.96.35.0
E1-May8.49.221.11.58.414.07.36.53.73.32.6
E1-Sep3.52.04.6<dl1.83.11.61.40.80.70.6
E1-Dec22.32.45.4<dl2.23.61.91.70.90.90.7

E2-Feb19.329.668.04.927.245.423.520.911.910.88.6
E2-May13.719.945.73.318.330.415.714.18.07.25.7
E2-Sep3.32.35.2<dl2.13.51.81.60.90.80.7
E2-Dec14.32.65.9<dl2.44.02.11.81.00.90.7

E3-Feb22.826.260.24.324.140.120.718.510.69.57.6
E3-May12.525.257.94.223.138.619.917.810.19.27.3
E3-Sep3.52.14.9<dl2.03.31.71.50.90.80.6
E3-Dec13.92.45.6<dl2.23.71.91.71.00.90.7

E4-Feb17.515.936.52.614.624.312.611.26.45.84.6
E4-May12.221.148.53.519.432.316.714.98.57.76.1
E4-Sep3.42.04.6<dl1.83.11.61.40.80.70.6
E4-Dec12.12.14.8<dl1.93.21.71.50.80.80.6

Total PAH201.0181.9418.427.1167.4278.9144.3128.773.466.452.6

PAH concentrations in shrimp samples (ng/g)

A1-Feb38.159.7137.49.954.991.626.642.324.121.817.3
A1-May51.377.6178.412.871.4119.033.454.931.328.322.4
A1-Sep30.228.164.54.625.843.024.119.911.310.28.1
A1-Dec37.151.0117.48.447.078.324.236.120.618.614.8

Total PAH156.8216.4497.835.8199.1331.8108.3153.287.379.062.6

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.