Pollution generated from land ll solid wastes constitute one of the major threat to the environment. The land ll leachate contains various toxic pollutants, making it the most dangerous issue of the land lls. Monitoring the xenobiotic organic concentrations in land ll leachate is an important step to evaluate the environmental impacts. This work aims to monitor the concentration of organic pollutants such as polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs), phthalic acid esters (PAEs), and bisphenols (BPs) in leachate samples collected from the old and new units of Tripoli land ll-Lebanon. The organic pollutants were extracted by using the solid-phase extraction and quanti ed by using GC-MS/MS. The results showed high level of PAEs, BPs, PCBs and PAHs in the leachate samples.The uxes of pollutants to the Abou Ali River and Mediterranean Sea have been detected at 0.23 kg, 0.01
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