Asbestos. Optical and electron microscopy can be used to determine asbestos in ambient air.
Warner
M
M
D000395:Air Pollutants, Occupational / Q000032:analysis*; D001194:Asbestos / Q000032:analysis*; D008854:Microscopy, Electron
D000395:Air Pollutants, Occupational; D001194:Asbestos