DistillationCoal TarCoalSteamOils, VolatileCoal MiningTarsKeratolytic AgentsOriganumMonoterpenesLavandulaFoeniculumPlant OilsThymolThymus PlantJuniperusVolatilizationGas Chromatography-Mass SpectrometryPrintingPolycyclic CompoundsChromatography, GasPsoriasisCoal AshBenzo(a)pyrenePneumoconiosisDermatologic AgentsPolycyclic Hydrocarbons, AromaticEczemaDNA Adducts