Fig. 4. Concentrations of OPAHs and their respective parent PAHs (mean ± SE, n = 4 sites). Note that missing bars represent levels below detection limits.Figure optionsDownload full-size imageDownload as PowerPoint slide
Fig. 5. A: Ratios of PAH to organic carbon (Σ23PAH:OC ratio) graphed as a function of C/N ratio (without the Florida organic layers that were strongly affected by biomass burning).