Hazardous Waste Site Investigations

UNDERWATER TANK STORAGE INSPECTIONS

EAS assembled and led team to perform high-risk internal steel water storage tank inspections associated with nuclear facilities.  Our staff planned the project approach required approval of a Hazard Review Board. We utilized certified commercial divers safely and successfully performed underwater inspections, cleaning, and minor repair work in four elevated water tanks—from 300-thousand gallons to …

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SAMPLING AND ANALYSIS OF RIPARIAN AND NEAR-SHORE AQUATIC ZONES OF INTER-AREAS

EAS, working with Pacific Northwest National Laboratory, conducted snorkel surveys in the Hanford Reach to locate, identify, and measure freshwater mussel species inhabiting near-shore habitats. The study was intended to provide a more comprehensive characterization of freshwater mussel species composition and distribution in the Hanford Reach, estimate mussel densities, and determine the age structure of …

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