The work covers the surface and underground aqueous sources, laboratory animals and man. The aim is to perform the complex ecological-hygienic evaluation on the application conditions and character of the biological action of the chemical reagents used in the oil and gas production. The contamination mechanisms of the aqueous resources have been studied; the aqueous sources have been ranked according to the contamination level and intensity of the self-purification processes. The regulations for 29 chemical reagents in water have been substantiated. The developed recommendations come into the standard documents and have been used by the Main Sanitary-Epidemiological Board of RF Public Health Ministry. The evaluation of the contaminations in the aqueous sources by the chemical reagents and determination of the safe levels of chemical reagents in the water have been determined. The developed recommendations enabled to stabilize or improve the state of the aqueous objects in the Bashkiria and West Siberia. Application field: hygiene of enviromentAvailable from VNTIC / VNTIC - Scientific & Technical Information Centre of RussiaSIGLERURussian Federatio
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