Abstract
The efficiency of TENAX beads sorption method enabling to separate the bioavailable fraction of PAHs in the soil has been estimated. Due to the method the PAHs effects on soil biota have been explored. Laboratory investigations have ascertained possibility of application of TENAX beads sorption for soil quality assessment.
Highlights
A crucial problem in modern methodology of environmental quality assessment is the possibility of improving existing methods and developing new ones concerning the polycyclic aromatic hydrocarbon (PAH) concentration measurements in different types of soil (Smreczak and Maliszewska-Kordybach, 2003; Smreczak et al, 2005; Snitynskiy, 2008)
Polycyclic aromatic hydrocarbons belong to a group of widely spread in the environment organic substances, possessing strictly defined ecotoxicological effects
PAHs in the soil are capable of suppressing some chains of metabolic processes in organisms of plants, mezofauna and microbes, and undergo biotransformation being involved in oxidative processes of other metabolic chains of particular species of soil organisms (Bosma and Harms, 1996; Alexander, 2000)
Summary
A crucial problem in modern methodology of environmental quality assessment is the possibility of improving existing methods and developing new ones concerning the polycyclic aromatic hydrocarbon (PAH) concentration measurements in different types of soil (Smreczak and Maliszewska-Kordybach, 2003; Smreczak et al, 2005; Snitynskiy, 2008). The bioavailability of PAHs in soil organisms is an important characteristic which enables us to determine the potential of organic pollutant degradation in soil, the rate of their accumulation and their ecotoxicological effects, the quantities of “aged” pollutants inaccessible to the processes of biodegradation (Kelsey, 1997; Alexander, 2000). The binding inside the organic matrix considerably decreases the transfer of PAHs into aqueous and gaseous phases and retards the migration of PAH bioavailable fractions in the soil.
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