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• May 2, 2007

Effective in situ rehabilitation of drastically disturbed and/or contaminated sites is usually dependent upon understanding and modifying on-site soil conditions to support revegetation efforts. While site-specific characterization of soil conditions is essential to the development of any revegetation strategy, limitations posed by reactive sulfides and very low pH, excess soil compaction, and excess salinity are dominant and widespread problems on disturbed sites. This seminar will focus on essential steps and procedures for (A) characterizing limiting soil conditions, (B) ameliorating soil phytotoxicity, and (C) reconstructing viable and productive soil profiles for long-term rehabilitation. The importance of matching remediated soil conditions to the intended vegetative community will be emphasized via discussion of case study sites including metal contaminated sites, acid-sulfate spoils, and forested wetlands restoration.

• W. Lee Daniels, Department of Crop & Soil Environmental Sciences, Virginia Polytechnic Institute & State University (wdaniels@vt.edu)

• Scott Fredericks, EPA Office of Superfind Remediation and Technology Innovation, Technology Innovation and Field Services Division (fredericks.scott@epa.gov)
• Jean Balent, EPA Office of Superfind Remediation and Technology Innovation, Technology Innovation and Field Services Division (balent.jean@epa.gov)

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