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DEVELOPMENT OF REGIONAL AND LOCAL NORMS FOR CHEMICALS IN THE SOIL USING BIOLOGICAL PARAMETERS

Sergey Kolesnikov

First published: 2017-06-20https://doi.org/10.5593/sgem2017/32/s13.017View metrics

Abstract

The development of regional or local maximum permissible concentration (MPC) for a pollutant in the soil requires the field or laboratory simulation of pollution. The experimental design should include the control (uncontaminated soil with the background concentration of the pollutant) and at least three treatments with different pollutant concentrations in the range between 2 and 10 background values. Experiments are performed in at least three replicates. Soil samples are taken 30 days after contamination. In each soil sample, six biological parameters are determined: total bacterial abundance, Azotobacter abundance, catalase activity, dehydrogenase activity, cellulolytic activity, and radish root length. Analyses are made in at least six replicates. From these biological parameters, the integrated biological index (IBI) of soil is calculated. For this purpose, the value of each parameter in the uncontaminated soil is taken as 100%, and its values in the contaminated soils are expressed as percentages. The mean values of six parameters for the contaminated treatments are determined. The obtained IBI values are expressed in percentages of the background. Then, a regression equation describing the decrease in IBI values as a function of pollutant concentration in the soil is derived. The pollutant concentration corresponding to the IBI decrease by 10% of the control, which indicates a disturbance of the holistic biogeocenotic functions of soil, is calculated from this equation.

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Publication details

Title
DEVELOPMENT OF REGIONAL AND LOCAL NORMS FOR CHEMICALS IN THE SOIL USING BIOLOGICAL PARAMETERS
Authors
Sergey Kolesnikov
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Water Resources. Forest, Marine and Ocean Ecosystems
Publisher
STEF92 Technology
Year
2017
Pages
125-130
SWS Citekey
Kolesnikov201713125130
ISSN
1314-2704
ISBN
978-619-7408-05-8
Language
en
Publication type
Conference Paper
Keywords
Environmental NormsPollutionHeavy MetalsOilEcological Functions of Soils
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