The Ogallala Ground Water Contamination Superfund site was identified in 1989 through municipal well sampling. Tetrachloroethene (PCE), a solvent commonly used in dry cleaner operations, was the primary ground water target chemical of concern (COC) that was identified for remediation purposes. A comprehensive remedial investigation (RI) was conducted in 1995 and 1996. Additional investigations were also conducted following completion of the RI to define the plume.

• Optimization Review: Ogallala Ground Water Contamination Superfund Site, Operable Unit 2 (Tip Top Cleaners), Ogallala, Nebraska (PDF)(41 pp, 1 MB, 2013, 540-R-013-014)