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pp.1285-1292
This study was compared each ingredient's local/seasonal change characteristics by analyzing anions and cations, watersoluble ionic components, from the precipitation of Dangjin and Anmyeon-do areas.
The samples were collected for 8 months from both spots between the period of April 1, 2002 to November 31, 2002. The precipitation samples were collected continuously through the entire duration of precipitation by using the wet-only automatic samplers. When rain continues to fall over 24 hours or occasionally, we considered those collected from 9 o'clock in the morning for 24 hours as the day's samples.
As a method to verify for the reliability of the analyzed data is concerned, we use the ion balance method and the electricity conductance method, was used widely as a way of watching the atmosphere by the WMO (World Meteorological Organization)/GAW (Global Atmosphere Watch). Also, Dangjin and Anmyun-do area confirmed that contains artificial pollutants by analysis of ion concentration data.
