title: Application of a light-scattering aerosol counter and a four-stage impactor to industrial hygiene air sampling.
mesh_terms: D000336:Aerosols / Q000032:analysis*; D000388:Air / Q000032:analysis*; D000397:Air Pollution / Q000032:analysis; D002617:Chemical Industry; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D003031:Coal / Q000032:analysis; D004391:Dust / Q000032:analysis*; D004782:Environmental Health; D005374:Filtration; D005433:Flour / Q000032:analysis; D007501:Iron / Q000032:analysis; D008722:Methods; D008853:Microscopy; D009787:Occupational Medicine; D055095:Optics and Photonics / Q000295:instrumentation; D010087:Oxides / Q000032:analysis; D012822:Silicon Dioxide / Q000032:analysis
chemical_list: D000336:Aerosols; D003031:Coal; D004391:Dust; D010087:Oxides; D012822:Silicon Dioxide; D007501:Iron