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A field crew member records the amount of exposed soil at Site T32. This information was used in prioritizing tannery sites for further investigation.

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  Tetra Tech, Inc. (Tetra Tech) was contracted by the Delaware Department of Natural Resources and Environmental Control (DNREC) Site Investigation and Remediation Branch (SIRB) to perform a citywide screening for tannery-related sites in Wilmington, Delaware. The goal of this investigation was to locate areas in and near Wilmington Delaware that were used for tannery operations during the 19th and 20th Centuries, with particular attention to locations where the historic use of arsenic and other metals was likely. Tannery operations were identified from various sources and prioritized by their possible impact to human health or the environment.

  For each tannery operation identified (each "site") this Report of Findings summarizes three main subjects: (1) information indicating historic tannery operations; (2) field investigations to document potentially relevant human exposure factors and identify the current use and condition of the site; and (3) a recommended site action priority based on current exposure potential. The report is organized in the following manner:

  • Section 2 reviews the methods used in this investigation.
  • Section 3 presents the results of historical research and field observations at each site.
  • Section 4 summarizes the findings of this report.
  • Section 5 contains references