Monitoring Indoor Pollutants in Two Small Office Buildings to Support a Modeling Study

摘要

A study was undertaken to monitor outdoor and indoor pollutants and to determine air exchange rate in two small office buildings, both constructed in the mid 1970's. Pollutant levels of radon particulate matter, carbon monoxide, oxides of nitrogen, and formaldehyde, were measured over approximately a 3-day period in each office building during the heating season. Measurements of air exchange, temperature, relative humidity and windspeed were also taken. Average workday indoor pollutant levels of formaldehyde, carbon monoxide, oxides of nitrogen and radon were near ambient (outdoor) levels. Indoor concentrations of particulate matter were greater than outdoor levels in both office buildings and significantly greater in the second office building compared to the first. This paper describes the measurement protocol and measurement results. The hourly variation in radon, and particulate matter concentration measured in the second building is also given. 9 references, 2 figures, 3 tables. (ERA citation 09:026994)