Mercury Use in Measuring Devices Abstract: Summarizes the use of mercury in products that measure physical data, such as temperature, pressure, or humidity. Analysis is based on data obtained from the Interstate Mercury Education & Reduction Clearinghouse (IMERC) Mercury-Added Products Database. Source: Interstate Mercury Education & Reduction Clearinghouse (IMERC) URL:http://www.newmoa.org/prevention/mercury/imerc/FactSheets/me asuring_devices.cfm