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Direct-on-filter analysis for respirable crystalline silica using a portable FTIR instrument

January 2022
DHHS (NIOSH) Publication Number 2022-108

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.

Direct-on-filter analysis for respirable crystalline silica using a portable FTIR instrument