Cell Survival - drug effects, Gas Chromatography-Mass Spectrometry, Groundwater - chemistry, Polycyclic Aromatic Hydrocarbons - toxicity, Risk Assessment, Waste Disposal Facilities, Humans, Organic Chemicals - toxicity, Water Pollutants, Chemical - chemistry, Water Pollutants, Chemical - analysis, Comet Assay, Organic Chemicals - analysis, Carcinogenicity Te...