When workers are exposed to hazardous materials, it's important to make sure they are not overexposed – which is why air monitoring is an important part of any safety program. This document discusses the various types of available air monitoring equipment and defines some basic terms. Air can be monitored in several ways. To sample worker exposure (personal sampling), diffusion-detector tubes, vapor-monitoring badges, or personal air-sampling pumps are all potential options. The most widely used and preferred option is to connect a battery operated pump to a filter medium (tubes and filters) to collect the contaminant so it can be analyzed […]