The Pollution Control Department has contracted Air and Waste Technology Co.,Ltd. to undertake Development and Improvement of Mathematical Models for Forecasting of Meteorological Condition and Air Pollution in Impact from Mae moh Power Plants and Lignite Mine.In the openning of semina on December 12,1997 at the time 9.00 hour. at Charasmuang II Room,Soltwinces Hotel.It is present during 9.00-16.30 hour on 12 December 1997. For Further information please contact Miss Siwaporn Rangsiyanon,Pollution Control Department , Tel. (66 2) 6192307-8,6192213, Fax (66 2) 6192308