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This paper presents the results of the analysis of organic chemicals in different urban dusts. The aim of the researchis preliminary evaluation of the presence of organic contaminants in household dust, attic dust and streetsediment. Celje area has been chosen as a pilot study site due to availability of sampling materials from previoussampling campaigns. Samples have been tested to the presence of 120 organic compounds. Attic dust contains 98different organic compounds or 82 % of all measured. Terpenoids, alkylbenzenes and different Polycyclic AromaticHydrocarbons (PAH’s), as well as plasticizers, halogenated compounds (among them also PCB’s) and pesticides(DDT and degradation products) can be found there. It also contains all of the in this study analysed US-EPA prioritypollutants. Street dust contained 70 different organic chemicals (58 %), among them 14 priority pollutants. Tracesof aliphatic organic compounds, PAH’s, aldehydes and ketones, esters, and plasticizers are found there. House dustcontains lowest number of organic compounds. Among 45 detected (38 % of total measured), 8 are priority pollutants.Aliphatic compounds, alkylbenzenes, aldehides, ketones, acids and PAH’s can be found there. Current numberof analysed samples, as well as only qualitative evaluations were made does not allow making any solid interpretationof obtained results in regarding to the potential sources of chemicals or potential environmental hazards. Thisstudy can thus be used only as a guideline for future studies of organic chemicals in urban dusts.

S pomočjo metode razvrščanja v skupine so na osnovi nekaterih socio-ekonomskih in demografskih značilnosti prebivalstva ter morfoloških elementov mestne strukture določena homogena stanovanjska območja na primeru treh slovenskih mest.