Some of ANH Refractories Resource Conservation and Recovery Act (RCRA) corrective action documents and reports are accessible online:
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Environmental Indicator Human Exposure ANH Refractories (Formerly: Harbison Walker Refractories) in Pittsburgh, Pennsylvania (PDF)(8 pp, 3 MB)
RCRA Environmental Indicator - Current Human Exposures under Control
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Environmental Indicator Groundwater ANH Refractories (Formerly: Harbison Walker Refractories) in Pittsburgh, Pennsylvania (PDF)(8 pp, 274 K)
RCRA Environmental Indicator - Migration of Contaminated Groundwater under Control