This decision document presents the selected Remedial Action (RA) for the Delatte Metals (DM) Superfund Site (Site), in Tangipahoa Parish, Louisiana, which was chosen in accordance with the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA, also known as the Superfund law), as amended by the Superfund Amendments and Reauthorization Act of 1986 (SARA). The information supporting the selection of the remedy for the Site is contained in the Administrative Record file. This decision has the concurrence of the Louisiana Department of Environmental Quality (LDEQ), National Oceanic and Atmospheric Administration (NOAA), United States Fish and Wildlife Service (FWS), and the United States Geological Survey (USGS). All letters of concurrence from the various Federal and State agencies are presented in Appendix A.