BenzeneBenzene DerivativesSorbic AcidIsomerismTolueneXylenesHydroquinonesStereoisomerismPhenolOccupational ExposureCatecholsPetroleumAir Pollutants, OccupationalHydrocarbons, AromaticMaximum Allowable ConcentrationBiodegradation, EnvironmentalEnvironmental MonitoringHydrocarbonsChemical IndustryChlorobenzenesPhenolsChromatography, High Pressure LiquidLinoleic Acids, ConjugatedCyclohexanesGas Chromatography-Mass Spectrometry