supported by the National Basic Research Program of China (No.2004CB418501);the Key Project of Environmental Protection Science of Shandong Province (No.2006007);the National Natural Science Foundation of China (No.40801088/30970166)
To evaluate contamination caused by petroleum, surface soil samples were collected from both upland and paddy fields along the irrigation canals in the Hunpu wastewater irrigation region in northeast China. N-alkanes,...