Asbestos Microscopes
Phase Contrast Microscopy, in accordance with OSHA ID160 and NIOSH 7400 requirements, is the method that is primarily used for estimating asbestos concentrations of airborne fibers. This method; can be performed on-site for a rapid determination of concentrations of asbestos fibers in the air. Phase Contrast Microscopy does not positively differentiate between asbestos and other fibers. Polarized Light Microscopy must be used for the positive identification of asbestos fiber.





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