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Update Date: 2009/03/19 19:41 (Central News Agency Reporter Lin Siyu, Taipei, 19th)
The Environmental Protection Administration (EPA) stated today that the sampling results from the Lulin Mountain background monitoring station in 2008 showed that atmospheric mercury and hazardous elemental substances in the air were higher in spring and lower in summer. The higher levels in spring may be due to long-range transport effects from biomass burning in the Indochina Peninsula and dust storms from mainland China.
The EPA noted that in early 2008, 11 sampling sessions were conducted at eight locations across the country, including Matsu, Pengjia Islet, Datun Mountain (Zhuzi Mountain), Lulin Mountain, Hehuan Mountain, Hengchun, Lanyu, and Dongsha Island. Additionally, four intensive observations were carried out at Lulin Mountain, each lasting at least one week, to investigate seasonal variations in long-range transport.
According to the 2008 sampling results, the EPA reported that atmospheric mercury concentrations at Lulin Mountain were highest in spring, followed by autumn, and lowest in summer. While spring levels were higher than other seasons, the average concentration still fell within the global range observed at background monitoring stations, indicating that Taiwan's atmospheric mercury background levels are similar to those of other countries.
The EPA pointed out that the monitoring program will continue until the end of this year, with ongoing sampling of hazardous substances in the air. The collected data will be analyzed and studied to establish background concentration records of hazardous substances in Taiwan's air quality. In the future, the EPA will also promote environmental cooperation with neighboring East Asian countries, including data exchange and joint monitoring efforts.
Source: http://tw. news. yahoo. com/ article/ url/ d/ a/ 090319/ 5/ 1gcos. html
Long-range Dust Transport: High Spring Air Pollutant Concentrations
The Environmental Protection Administration (EPA) stated today that the sampling results from the Lulin Mountain background monitoring station in 2008 showed that atmospheric mercury and hazardous elemental substances in the air were higher in spring and lower in summer. The higher levels in spring may be due to long-range transport effects from biomass burning in the Indochina Peninsula and dust storms from mainland China.
The EPA noted that in early 2008, 11 sampling sessions were conducted at eight locations across the country, including Matsu, Pengjia Islet, Datun Mountain (Zhuzi Mountain), Lulin Mountain, Hehuan Mountain, Hengchun, Lanyu, and Dongsha Island. Additionally, four intensive observations were carried out at Lulin Mountain, each lasting at least one week, to investigate seasonal variations in long-range transport.
According to the 2008 sampling results, the EPA reported that atmospheric mercury concentrations at Lulin Mountain were highest in spring, followed by autumn, and lowest in summer. While spring levels were higher than other seasons, the average concentration still fell within the global range observed at background monitoring stations, indicating that Taiwan's atmospheric mercury background levels are similar to those of other countries.
The EPA pointed out that the monitoring program will continue until the end of this year, with ongoing sampling of hazardous substances in the air. The collected data will be analyzed and studied to establish background concentration records of hazardous substances in Taiwan's air quality. In the future, the EPA will also promote environmental cooperation with neighboring East Asian countries, including data exchange and joint monitoring efforts.
Source: http://tw. news. yahoo. com/ article/ url/ d/ a/ 090319/ 5/ 1gcos. html