SHIH-YU CHANG2026-10-162026-10-162001-01-01Pure ID: 15435113Pure UUID: f424fe7d-6ff1-4902-b771-be96f703818910.1016/S1352-2310(01)00369-7https://www.scopus.com/pages/publications/0034765156https://scholars.csmu.edu.tw/handle/123456789/22911In this paper, differences between the 24-h average PM10 concentrations of Wedding β-gauge monitor and Andersen or Wedding hi-vol sampler were studied. When the deliquescent point is not exceeded, PM10 concentrations of the β-gauge are close to those of the manual samplers. The ratio of β-gauge PM10 to Andersen PM10 and Wedding PM10 is 1.08±0.06 and 1.09±0.12, respectively. However, when the deliquescent point is exceeded, water absorption by the inorganics of aerosols leads to higher PM10 concentrations of the β-gauge compared to those of the manual sampler. The ratio of β-gauge PM10 to Andersen PM10 and Wedding PM10 is 1.21±0.22 and 1.27±0.15, respectively. However, due to evaporation of water from the aerosols collected on the filter tape of the β-gauge, differences in PM10 concentrations are much less than theoretically calculated.8enjournal article