Enhanced concentrations of PAHs in groundwater at a coal tar site

Article Abstract:

The concentrations of groundwater polycyclic aromatic hydrocarbons at a coal tar site were round to be elevated by factores of 3 to 50 over purely dissolved concentrations by association with humic acid-like colloids.

United States, Science & research, Waste Management and Remediation Services, Water Pollution, All Other Petroleum and Coal Products Manufacturing, Coal Tar, Environmental aspects, Water, Underground, Groundwater, Polycyclic compounds, Coal-tar

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Concentrations and stable isotope values of BTEX in gasoline-contaminated groundwater

Article Abstract:

Stable carbon isotopic analysis is an ideal tool for the remediation of contaminants such as benzene, toluene, ethylbenzene and xylenes (BETX). The process was effective in determining the concentrations and stable isotope values of BETX at a gasoline-contaminated site in southern California. The method, whereby purge-and-trap is connected to a gas chromatograph/ion trap mass spectrometer system, yielded varying concentrations of BETX that range from below detectable to highly detectable levels. Results indicate that toluene usually yield the highest concentrations.

Petrochemical Manufacturing, Cyclic crudes and intermediates, Cyclic Crude and Intermediate Manufacturing, Benzene, Toluene, Xylenes, Ethylbenzene, Xylene

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