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Table 1 Sediment properties for each station (nd: not detected)

From: Concentrations and sources of polycyclic aromatic hydrocarbons in surface coastal sediments of the northern Gulf of Mexico

Sampling station TOC (%) TN (%) C/N Sediments fractions (%) Surface area (m2/g)
Sand (>63 μm) Silt (4 ~ 63 μm) Clay (<4 μm)
MP 2.02 0.13 15.44 71.46 21.93 6.61 3.87
GB 6.93 0.43 16.12 63.61 31.24 5.15 8.16
W1 0.94 0.05 17.20 65.92 29.17 4.91 4.43
W2 1.35 0.10 13.81 61.09 30.77 8.14 4.87
B6 1.15 0.11 10.10 11.37 70.02 18.61 16.59
C6 0.70 0.07 9.70 21.43 62.88 15.69 13.88
CT 0.71 0.07 10.10 12.40 69.06 18.54 16.05
F5 0.62 0.08 8.00 28.12 59.47 12.41 13.21
A 0.11 0.02 7.24 94.55 4.07 1.38 1.34
B1 0.45 0.04 9.11 92.29 6.20 1.51 0.90
B2 0.98 0.05 18.80 61.22 34.11 4.67 3.53
MRM-2010-05 1.36 0.14 10.10 15.16 66.12 18.72 nd
MRM-2010-08 13.89 0.71 19.50 10.86 67.13 22.01 13.08
MRM-2012-05 0.97 0.10 10.10 10.00 59.88 30.12 nd
  1. TOC and TN represent total organic carbons and total nitrogen, respectively. Silt and clay fractions decreased from shelf sediments to coastal sediments, as well as surface area. The TOC% and C/N exhibited opposite patterns.