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Monroe Energy faces class action over 378,000-gallon gasoline leak at Aston, Pa. Chelsea Tank Farm

7/16/2026

Subsurface gasoline contamination follows a predictable migration path: free product floats on the water table, volatiles partition into soil vapor, and that vapor migrates upward through building foundations.

The longer the source goes unreported, the wider each exposure pathway grows.

Berger Montague and Locks Law Firm filed a class action complaint on behalf of Aston, Pennsylvania residents alleging that Monroe Energy, LLC and MIPC, LLC knew about a months-long release at the Chelsea Tank Farm and said nothing while approximately 378,000 gallons of gasoline spread through the soil, groundwater, drinking water, and indoor air of a Delaware County neighborhood.

Four contamination pathways, one source The complaint identifies an exposure footprint spanning four distinct media.

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