A guide to gas monitoring instruments.

Industrial hygiene gas surveys play a key role in helping industrial hygienists evaluate and determine whether workers are being exposed to hazardous conditions within their workplace environment. Portable gas monitoring instruments can be a valuable tool used in these surveys to provide data that is vital to the success of the mission. In order to ensure the data collected from the instruments is accurate, it is important that the industrial hygienist performing the survey has a clear understanding of the workings of the instrument and the methods it uses for collecting information.