Delaware

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    Propane Frozen Earth Storage (FES) Decommissioning

    The FES (Frozen Earth Storage) was commissioned in 1966 as a refrigerated atmospheric cavern for storage of Propane at the refinery. Due to the features of the design and unique subsurface conditions that resulted in Propane leaks, Valero was ordered to close the FES by end 2010, and cease emissions from the cavern. The FES […]