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DETERMINING GROUNDWATER MTBE SOURCES USING REVERSE PARTICLE TRACKING: TWO CASE STUDIES
Mohsen, F. and R. O'Boyle.
Environmental Forensics 18(4):272-284(2017)

In two case studies, low levels of MTBE were alleged to have entered residential wells from neighboring gas stations. Reverse particle tracking in the first case established that only 8 of 32 plaintiffs' residential wells could have been affected by MTBE migrating from the gas station. In the second case, reverse particle tracking identified a source farther upgradient from a suspected gas station source that explained the occurrence of MTBE contamination in a nursery as well as in residential wells downgradient of the gas station.



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