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NMAM 7400: ASBESTOS and OTHER FIBERS by PCM
The 0.45-m filters are recommended for sampling when performing TEM analysis on the same samples. However, their higher pressure drop precludes their use with.
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EPA 560/5-85-024 Guidance for Controlling Asbestos-
Choose a qualified laboratory to analyze the samples (see Appendix G.2). The approved method of bulk sample analysis for asbestos is polarized light microscopy.
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NMAM METHOD 7400
Apr 29, 2019 All laboratories engaged in asbestos counting shall participate in a proficiency testing program such as the AIHA Industrial Hygiene Proficiency
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