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. Author manuscript; available in PMC: 2012 Dec 1.
Published in final edited form as: Environ Toxicol Chem. 2011 Oct 19;30(12):2674–2681. doi: 10.1002/etc.682

Figure 5.

Figure 5

Fractions of polycyclic aromatic hydrocarbon (PAH) removed in the control (▲) and biostimulated (○) columns versus the fraction of PAH rapidly desorbed (f) in the original column soil for the whole soil (a), the high-density material (b), and the low-density material (c). Each point represents the mean value for an individual PAH. Standard deviations have been omitted for clarity. The dashed line represents a 1:1 correlation. Naphthalene, benzo[a]pyrene, and benzo[ghi]perylene are not included in plot (c) because no removal was observed.