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Determining heavy metal contamination of road dust in Delhi, India

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Figure

Fig. 1. Map of the study area showing sampling locations.
Table I. Categories of contamination factors and contamination degree.
Table III. Categories of pollution index and integrated pollution index of metals. Class PI value Category of contamination
Fig. 2. Metal concentrations in road dust samples in Delhi. Concentration values of Cr, Pb, Ni, Zn and Cu for  HW1, HW2, HW3, IND1, IND2, MIX2 and RES2 are taken from Rajaram et al
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