title: Polycyclic aromatic hydrocarbon (PAH) content of soil and olives collected in areas contaminated with creosote released from old railway ties.
abstract: Simple sample preparation procedures involving sonication and solid phase extraction (SPE), followed by reversed-phase high performance liquid chromatography (HPLC) and spectrofluorometric detection, were used to analyse polycyclic aromatic hydrocarbons (PAHs) in soil and olives collected in areas contaminated with creosote-treated railway ties. Very high PAH contents (with amounts ranging from 114.7 to 2157.2 and from 167.3 to 3121.8 microg kg(-1) dry weight for total light PAHs and total heavy PAHs, respectively) were found in soil sampled up to 1 m from the source of contamination. The PAH load decreased rapidly with the distance from the railway ties. High amounts of light PAHs, up to 6359.9 microg kg(-1), were also found in oil extracted from olives collected in a rural area where old railway ties were stored. No appreciable transfer of heavy PAHs and benzo[a]pyrene was observed in oil samples.
authors: Department of Food Science, University of Udine, Via Marangoni 97, 33100 Udine, Italy. sabrina.moret@uniud.it
authors: Sabrina
authors: S
authors: Moret
authors: Giorgia
authors: G
authors: Purcaro
authors: Lanfranco S
authors: LS
authors: Conte
mesh_terms: D003407:Creosote / Q000737:chemistry; D005506:Food Contamination / Q000032:analysis*; D007220:Industrial Waste / Q000032:analysis*; D031658:Olea / Q000737:chemistry*; D011084:Polycyclic Aromatic Hydrocarbons / Q000032:analysis*; D011890:Railroads; D012989:Soil Pollutants / Q000032:analysis* / Q000737:chemistry; D014934:Wood
chemical_list: D007220:Industrial Waste; D011084:Polycyclic Aromatic Hydrocarbons; D012989:Soil Pollutants; D003407:Creosote