Some of NL Ventures (Turbine Airfoil Designs) corrective action documents and reports are accessible online:
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Corrective Action Statement of Basis Turbine Airfoils Design in Harrisburg, Pennsylvania (PDF)(12 pp, 5 MB)
Statement of Basis for RCRA Corrective Action Remedy
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Corrective Action Environmental Covenant Turbine Airfoils Design in Harrisburg, Pennsylvania (PDF)(14 pp, 1 MB)
PA Environmental Covenant - Deed Restriction
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Environmental Indicator Human Exposure Turbine Airfoils Design in Harrisburg, Pennsylvania (PDF)(14 pp, 1 MB)
RCRA Environmental Indicator - Current Human Exposures under Control
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Environmental Indicator Groundwater Turbine Airfoils Design in Harrisburg, Pennsylvania (PDF)(12 pp, 943 K)
RCRA Environmental Indicator - Migration of Contaminated Groundwater under Control