BenzofuransTetrachlorodibenzodioxinDioxinsPolychlorinated BiphenylsIncinerationBody BurdenSoil PollutantsHydrocarbons, ChlorinatedEnvironmental PollutantsFood ContaminationFrozen FoodsRefuse DisposalMilk, HumanEnvironmental ExposureGas Chromatography-Mass SpectrometryDustEnvironmental MonitoringJapanOccupational Exposure