Title: The contemporary toxaphene residues in soils are probably not dangerous to soil organisms 
Resource Type: document --> technical publication --> proceedings / conference paper(s) 
Country: EU Projects 
Year of publication: 2003 
Availability: Hofman, J. et al. (2003) The contemporary toxaphene residues in soils are probably not dangerous to soil organisms. Persistent Toxic Substances Contamination of the European Region as a reflection of results of the GEF/UNEP Regional Based Assessment of Persistent Toxic Substances (RBA PTS) in Europe, the implementation of the Stockholm Convention and 'Community Strategy for Dioxins, Furans and PCBs 
Author 1/Producer: Hofman, J 
Other Authors/Producers: Černohlávková, J., Holubářová, B., Švihálek, J., Holoubek, I. 
Author / Producer Type: EC Project 
Report / download web link (=direct link): http://www.recetox.muni.cz/coe/sources/workshop_1_rba_pts/VI ...  
Format (e.g. PDF): PDF 
EUGRIS Keyword(s): Diffuse pollution-->Contaminants-->Persistent Organic Pollutants
Short description: Toxaphene is persistent organic pollutant widely used as insecticide in former Czechoslovakia. There can be found 10 ppb residues in some soils of the Czech Republic due to its persistency and also due to atmospheric transport. In the world, there were reported more seriously contaminated sites (up to 10's ppm). The potential of toxaphene residues to harmfully affect soil organisms has been never comprehensively studied. Thus, we evaluated effects of toxaphene on soil microbial biomass, respiration activity, and functional diversity and also on mortality and reproduction of model soil invertebrate - Enchytraeus crypticus (Oligochaeta). No significant effects were recorded at concentrations even 10 ppm. It can be concluded, that contemporary toxaphene residues in Czech soils represent no risk for soil microorganisms and enchytraeids. 
Link to Project(s): RECETOX Centre of Excellence in Environmental Chemistry and Ecotoxicology
Submitted By: Dr Stefan Gödeke WhoDoesWhat?      Last update: 14/02/2006

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