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MEASUREMENT AND DECOMPOSITION OF TOTAL EXPOSURE USING THE TOTAL-ISOLATED-BY-MICROENVIRONMENT-EXPOSURE (TIME) MONITOR
Citation:
Moschandreas, D., G.G. Akland, AND S. Gordon. MEASUREMENT AND DECOMPOSITION OF TOTAL EXPOSURE USING THE TOTAL-ISOLATED-BY-MICROENVIRONMENT-EXPOSURE (TIME) MONITOR. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/J-94/554.
Description:
This paper describes a new, highly compact and lightweight monitor that directly measures personal exposure resolved into four microenvironments. he device is the "Total-Isolated-by-Microenvironment-Exposure (TIME)" monitor. he monitor can identify electronically a subject's microenvironment and measure the time and the concentrations of air pollutants while the subject is in that microenvironment. ensor electronically directs the air samples from a microenvironment to a sampling collector (sorbent tube) uniquely associated with each of the four microenvironments: indoors-nonoccupational, indoors occupational, in-transit, and outdoors. ver a period of 24-hours, the TIME monitor measures exposures in the four microenvironments and, by adding the concentrations for the four components, the monitor provides a measure of total daily exposure.