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UDC 614.71:613.15

Sabirova Z. F., Budarina O. V., Shipulina Z. V.

Special aspects of substantiating sanitary protection zones
for the municipal wastewater treatment facilities

Summary

A comprehensive hygienic assessment of the municipal wastewater treatment facilities (with a capacity of 73 and 180 thousand m³/day of domestic and industrial wastewater) as sources of the chemical and physical impact on the ambient air and public health is presented. The studies were carried out in a city in the Moscow Area with a population of more than 150 thousand residents. The characteristics of the wastewater disposal system including wastewater treatment technology, standard equipment of the treatment facilities, technical operation parameters, composition and amount of emissions are typical for the Russian small cities including the cities in the Moscow Area with a population of 100–2000 thousand residents. It was stated that the maximum input into the gross emission was given by sludge beds (68%), aeration tanks and secondary settlers of the biological treatment process (12.4 and 5.3%). It is shown that the impact of the chemical and physical factors on the ambient air and public health (following the methodology of the assessment of the noncarcinogenic and carcinogenic effect occurrence) does not exceed the hygienic regulations and permissible risk values. Based on the results of the study a system of criteria that can be recommended for the substantiation of the sanitary protection zones for the wastewater treatment facilities is proposed.

Key words

wastewater , sewerage treatment facilities , ambient air , sanitary protection zone , public health

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REFERENCES

1. Sabirova Z. F., Ul’ianova A. V., Chanyshev F. V., Minigazimov R. Sh., Vinokurov M. V. [Modernization of production as a criterion of the sanitary protection zone reduction]. Gigiena i Sanitariia, 2013, no. 1, pp. 87–88. (In Russian).
2. Budarina O. V., Pinigin M. A., Sabirova Z. F., Fedotova L. A. [Odor problems in ambient air of the wastewater treatment facilities: regulation, control and legislative regulation]. Vodosnabzhenie i Sanitarnaia Tekhnika, 2017, no. 8, pp. 20–28. (In Russian).
3. Bogomolov M. V., Karmazinov F. V., Kostiuchenko S. V. [Methods of odor control in the systems of wastewater transportation and treatment]. Vodosnabzhenie i Sanitarnaia Tekhnika, 2016, no. 7, pp. 33–43. (In Russian).