Dr. Michelsen is an environmental scientist and geochemist with over 25 years of experience in aquatic site investigation and cleanup, regulatory support and permitting, expert witness and litigation support, and alternative dispute resolution. She has provided technical assistance and oversight of investigations and cleanups at more than 70 contaminated sediment sites in Washington, Oregon, Alaska, California, and British Columbia, and has developed technical guidance and training for federal and state agencies, consultants, and scientists. Specialty areas include development of sediment and tissue quality guidelines, and development and large‐scale implementation of regulatory programs for aquatic environments, including the Sediment Management Standards (SMS) in Washington State, and the Sediment Evaluation Framework for managing dredged material in Washington, Oregon, and Idaho.
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