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Soil-to-Root Transfer and Translocation of Polycyclic Aromatic Hydrocarbons by Vegetables Grown on Industrial Contaminated Soils

^a Laboratoire Sols et Environnement, UMR 1120, ENSAIA-INPL/INRA, 2 avenue de la Forêt de Haye, BP 172, 54 505 Vandoeuvre lès Nancy cedex, France
^b Service des Etudes Médicales, EDF-GDF, 22-28 rue Joubert, 75 009 Paris, France

View larger version (48K): [in a new window]   Fig. 1. Concentration of the 16 USEPA PAHs in (A) aerial parts of lettuce, potato, and carrot, (B) roots of lettuce, and (C) storage organs of potato and carrot, after growth in soils showing a gradient of PAH concentration (PAH1 to PAH5). Bars are mean values of five replicates. Bars affected by the same letter are not significantly different at the 5% probability level (Tukey's test).

View larger version (59K): [in a new window]   Fig. 2. Distribution of the different PAH groups (number of aromatic rings) in (A) lettuce, (B) carrot , and (C) potato. S, soil; AP, aerial parts; RO, roots; PPu, potato pulp; PPe, potato peels.