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This document contains guidance applicable to portable Fourier transform infrared spectroscopy (FTIR) instruments in general, though some instrument-specific guidance is also provided where necessary.
Suggested citation
NIOSH [2022]. Direct-on-filter analysis for respirable crystalline silica using a portable FTIR instrument. By Chubb LG, Cauda EG. Pittsburgh PA: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, DHHS (NIOSH) Publication No. 2022–108, IC 9533. https://doi.org/10.26616/NIOSHPUB2022108
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