[An assessment of the air pollution in the area of the Maritsa-Iztok Economic Union].

The heating-electric plant "Maritsa Iztok" is situated in the area of Stara Zagora, on arable agricultural land, in close vicinity to settlements. It includes three heating plants, working with low caloric coals, of high ashen and sulphuric content and briquet fabric. Two stations for observation and evaluation of the atmospheric air in the district of plant "Maritsa Iztok", the meteorological conditions and geographic situation are chosen according to the Bulgarian State Standards 17, 2, 5, 01-81: station 1-"Gŭlŭbovo" and station 2-"Mednikarovo" for indices--dust, sulphur dioxide, hydrogen sulphide, ammonia, nitrogen peroxide. In order to determine the content of the already mentioned pollutants in the atmospheric air are used Bulgarian State Standards and the results are compared with the corresponding maximum allowable concentrations, according to Regulation No 2 of the Ministry of Health.