SEARCH Articles Figures Tables Analysis of PCDDs/PCDFs Atmospheric Chemistry of PCBs, PCDDs and PCDFs Chemical waste, PCDDs/PCDFs Dibenzofurans, polychlorinated PCDF) Human Exposures to PCDDs and PCDFs PCDD/PCDF PCDD/PCDFs PCDDs/PCDFs PCDDs/PCDFs occurrence PCDF analysis PCDF congeners PCDF congeners fecal excretion PCDFs PCDFs PCDFs , toxicity PCDFs analysis PCDFs cleanup PCDFs data reporting PCDFs extraction PCDFs sampling Polychlorinated Dibenzodioxins (PCDD) and Dibenzofurans (PCDF) Polychlorinated PCDF Polychlorinated PCDF dibenzo-furans Polychlorinated dibenzodioxins (PCDDs) and dibenzofurans (PCDFs) Polychlorinated dibenzodioxins PCDFs) Polychlorinated dibenzofurans (PCDFs Polychlorinated furan (PCDF Toxicity PCDDs and PCDFs Transformations of Gas-phase PCBs, PCDDs and PCDFs Tropospheric Lifetimes of PCBs, PCDDs and PCDFs