Some of Mersen USA's key Resource Conservation and Recovery Act (RCRA) corrective action documents, reports and photographs are accessible online:
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Environmental Indicator Human Exposure Mersen USA in Saint Marys, Pennsylvania (PDF)(13 pp, 86 K)
RCRA Environmental Indicator - Current Human Exposures under Control
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Environmental Indicator Groundwater Mersen USA in Saint Marys, Pennsylvania (PDF)(11 pp, 65 K)
RCRA Environmental Indicator - Migration of Contaminated Groundwater under Control