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US Army Corps of Engineers

US Army Corps

US Army Corps of Engineers PSR Remediation

Pacific Sound Resources (PSR) was a wood preserving facility located in on the southern shore of Elliott Bay near the city of Seattle, WA. Wood preserving activities have occurred on the PSR property since 1909 and have resulted in releases of contaminants such as polycyclic aromatic hydrocarbons (PAHs), pentachlorophenol (PCP), and metal solutions into on-site surface soil, subsurface soil, groundwater, and Elliott Bay sediments.

ORION monitored work activities to ensure effective occupational safety and health oversight of Superfund remediation operations.   This oversight was intended to assist the site contractors to improve their understanding and implementation of OSHA requirements and recommendations for site health and safety.

Comprehensive employee exposure monitoring programs included both real-time monitoring with direct-reading instruments and personal air sampling. It also established action levels for explosive atmospheres, organic vapor concentrations, dust concentrations, and noise levels that trigger PPE use or evacuation. The SSAHP specified that personnel sampling is to be performed daily on all contractor personnel, unless monitoring data indicated that a lower frequency would be acceptable.

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