[Health status of mining technical school students under present ecological conditions of Donets Basin].

The examinations indicated that the students of mining colleges from Donbass showed unfavourable changes in their health status, including those in their immunobiological resistance and functional status. There was a direct relationship between the levels of environmental pollution and the body's changes, i.e.

[The immune status indices of schoolchildren in the Donetsk region].

With the purpose of studying the impact of ecological health hazard conditions on the juvenile organism, a total of 192 pupils of upper grades from schools in Donetsk, Makeyevka, Mariupol (conventionally a "dirty" zone) and 126 schoolchildren from Artemovsk and Krasnyĭ Liman (conventionally a "clean" zone) were evaluated for the immunological status. Children from the polluted zone demonstrated decreased levels of lysozyme in saliva as well as of glycogen and acid phosphatase in leucocytes, there were also deviations from the norm in the peripheral blood picture. Young residents of Mariupol appeared to have the worst findings.

[The characteristics of the body's functional status and the state of the health of pupils in mining trade schools in an industrial zone].

The article presents results of study into the level of physical development, condition of the cardiovascular-, respiratory-, central nervous systems, immunobiologic resistance of the organism, prevalence of morphofunctional deviations from the norm, and morbidity rates among the students of the mining-trade secondary school (aged 15-18). It has been found out that adverse ecological situation in urban centres of the Donetsk Province together with specific character of training for occupation in coal industry have a marked negative effect on the functional status as well as health status of the adolescents. On the basis of the studies made a complex of measures has been designed to maintain and promote the health of students of the mining-trade secondary schools.

[Toxicity of chemicals produced by thermal destruction of synthetic materials based on polyvinyl chloride and used in coal mines].

The experiments on mongrel white rats studied toxicity of the products appearing during thermal destruction of conveyer tape TK-200 based on polyvinyl chloride and used in coal mines. The studies helped to define parameters of acute toxicity and the MACs for products of the conveyer tape burning, considering the main contents and the exposure intensity for 30-120 minutes; to determine jeopardy class; to calculate specific volatilization; to design recommendations for prevention of poisoning during fire in the mines.