The Salvation Army Kroc Center is a multi-million dollar community complex containing family support, education, and recreational facilities on 17.5 acres. Dayton, Ohio, was one of 29 cities to receive funding from the 1.1 billion dollar donation from the Ray Kroc Family for the development of community centers across the United States. Environmental concerns arose from a neighboring groundwater plume migrating from off-site. Ohio EPA documented elevated levels of trichloroethene (TCE) in soil gas as high as 160,000 parts per billion by volume (ppbv). The U.S. EPA collected sub-slab air samples from eight residences located south of the property facility where significant residential sub-slab concentrations were detected as high as 62,000 ppbv. The results of the U.S. EPA sub-slab testing indicated that all eight samples exceeded the established sub-slab screening level of 4 ppbv. TCE residential indoor air concentrations were detected at a
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