Sources of polychlorinated dibenzo-p-dioxins (PCDDs), polychlorinated dibenzofurans (PCDFs), and coplanar polychlorinated biphenyls (Co-PCBs), and their bioaccumulation through the marine food web in Sendai Bay, JapanElectronic supplementary information (ESI) available: Appendix 1, chromatograms of TeCDD for soil, sediment and seawater, data tables of sample reproducibility and blank tests. See http://www.rsc.org/suppdata/em/b3/b301339c/