Radioactive Hazard ReleaseChemical Hazard ReleaseAsbestosAsbestos, CrocidoliteAsbestos, SerpentineMineral FibersAsbestos, AmositeAsbestos, AmphiboleAsbestosisMesotheliomaPleuraPleural DiseasesPleural NeoplasmsOccupational ExposureConstruction MaterialsProportional Hazards ModelsAir Pollutants, OccupationalLungManufactured MaterialsOccupational DiseasesPolyvinylpyridine N-OxideMicroscopy, Electron, ScanningCarcinogens, EnvironmentalDustNerve FibersMicroscopy, Phase-ContrastZeolitesMicroscopy, ElectronMiningTime FactorsLung NeoplasmsPulmonary FibrosisEnvironmental ExposureElectron Probe MicroanalysisSilicon DioxideCarcinogensEnvironmental MonitoringParticle SizeHistamine ReleaseMuscle Fibers, SkeletalInhalation ExposureDietary FiberAutomobilesFiltrationCalciumMicroscopy, PolarizationCells, CulturedEpitheliumRisk FactorsLymphatic SystemAir PollutantsSmokingCohort StudiesMacrophagesSmoke