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Uranium Mine

Farallon provided technical support as a consulting expert and a testifying expert for litigation in the evaluation of past and potential future costs for reclamation of an inactive uranium mine on tribal lands in Washington State.

Soil, surface water, and groundwater had been contaminated with uranium and radium-226 from mine waste generated by a large-scale open-pit uranium mine. The inactive mine was designated a Superfund site by EPA for cleanup of the mine waste.

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Farallon reviewed leases, the operational history, reclamation plans, regulatory agency correspondence, and previous investigations to evaluate the nature and extent of hazardous substances in the environment released from mining operations. Farallon developed an engineering cost estimate to complete the mine reclamation/cleanup action defined by the former mine operators and EPA, and evaluated past costs to determine whether the costs were reasonable and necessary. Additional technical support included reviewing mine closure and permitting requirements to determine whether the proposed mine reclamation/cleanup action was required by the mine permits, and evaluating industry knowledge of acid rock drainage during the early 1970s to determine whether the potential for contamination was known to the mine operators and what was done to contain the releases of contamination. Farallon provided expert reports, rebuttal reports, and deposition. The case was settled prior to trial.


Services Utilized

Feasibility Studies and Cost Estimates

Our engineers have expertise in a wide array of remediation technologies and have performed numerous Feasibility Studies for sites in the western United States. These Feasibility Studies evaluate the comparative effectiveness,...

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Insurance Litigation Technical Support

We act as experts and use our industry and regulatory knowledge to provide opinions about the timing of damage and the nature and extent of contamination.

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Meet Our Experts

smiling-farallon-employee-with-long-straight-blond-hair Emerald J. Erickson-Mulanax Senior Geologist, Managing Senior

Emerald has more than 12 years of environmental consulting experience, and conducts services for clients in Washington and Oregon that include soil, air, and groundwater monitoring and site assessments. She also...

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