Some of Former Koppers Wood Treatment Facility Resource Conservation and Recovery Act (RCRA) corrective action documents and reports are accessible online:
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Final Former Koppers Wood-Treating Site Explanation of Significant Difference (PDF)(26 pp, 807 K,
September 27, 2019)
Final decision for additional remediation at the former Koppers Wood-Treating Facility
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Explanation of Significant Difference (ESD) Fact Sheet (PDF)(2 pp, 101 K,
March 26, 2019)
Fact sheet describing Explanation of Significant Difference for soil remedial work at the former Koppers Wood-Treating Facility in Carbondale, IL.
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Explanation of Significant Difference (ESD) (PDF)(15 pp, 1 MB,
March 26, 2019)
Explanation of change to selected remedy of 2004; additional soil remediation.