Pesticide ResiduesPesticidesHydrocarbons, ChlorinatedFrozen FoodsAzinphosmethylDieldrinFood ContaminationInsecticidesUnited States Department of AgricultureAgricultureLindaneChromatography, Supercritical FluidFood AnalysisFungicides, IndustrialEndosulfanChlorofluorocarbons, MethanePharmaceutic AidsWetting AgentsOrganophosphorus CompoundsCarbamatesHerbicidesDichlorodiphenyldichloroethaneEnvironmental ExposureDDTMaximum Allowable ConcentrationGrowth and DevelopmentVegetablesPyrethrinsGroomingEnvironmental MonitoringSoil PollutantsAgricultural Workers' DiseasesChromatography, GasWater Pollutants, ChemicalSolid Phase ExtractionAgrochemicalsGas Chromatography-Mass SpectrometrySinorhizobium frediiPest ControlBeesFruitBradyrhizobiumOccupational ExposureAmino Acid SequenceMolecular Sequence DataChlorpyrifosOrganophosphate PoisoningFresh WaterMeatSinorhizobium