| polycyclic aromatic hydrocarbons (pahs), polychlorinated biphenyls (pcbs) and heavy metals (hms) as well as their genotoxicity in soil after long-term wastewater irrigation. | a study was carried out on the residue level of major concern pollutants (pahs, pcbs and hms) and the assessment of their genotoxicity in soils obtained from shenyang, northeast of china which had been subjected to wastewater irrigation for more than 40 years. topsoils (0-20cm) in paddy fields were sampled along the upper, middle and lower reaches of the wastewater disposal channel. sixteen usepa pahs were determined by high performance liquid chromatography (hplc) with fluorescence detector, ei ... | 2006 | 16707147 |