DistillationCoal TarCoalCoal MiningSteamOils, VolatileTarsKeratolytic AgentsOriganumMonoterpenesLavandulaFoeniculumPlant OilsThymolThymus PlantCoal AshJuniperusPneumoconiosisVolatilizationGas Chromatography-Mass SpectrometryPolycyclic CompoundsPrintingChromatography, GasPsoriasisAnthracosisBenzo(a)pyrenePolycyclic Hydrocarbons, AromaticDermatologic AgentsEczemaDNA AdductsUltraviolet TherapySemiconductorsAluminumIndustrial Waste