3737188 PCDDs polychlorinated dibenzo-p-dioxins 1106 3737082 PCDFs polychlorinated dibenzofurans 781 1598 PCDD/F polychlorinated dibenzo-p-dioxins and dibenzofurans 222 3237239 PCDF polychlorinated dibenzofurans 172 3232556 PBDF polybrominated dibenzofuran 5 509425 PCDD-Fs polychlorinated dibenzofurans 1 2182655 PClDBFs polychlorinated dibenzofurans 1 3759679 PDBFs polychlorinated dibenzofurans 1