This document describes a method for measuring total particulates not otherwise regulated in air. It involves collecting airborne particulate material on a filter using a sampling pump operating at 1-2 L/min. The filter is weighed before and after to determine the total particulate mass collected. The method has a working range of 1-20 mg/m3 and can be used to measure various types of dust and fibers to which workers may be exposed. It provides a measure of total dust concentration as a time-weighted average.