MARSHALL R. MORALES is a member of the Environmental practice group in Washington, D.C. His practice focuses on complex environmental compliance, enforcement, and litigation. He advises clients on chemical regulation, product stewardship, air and waste laws, and contaminated site remediation across the energy, technology, manufacturing, and mining sectors.
Marshall regularly represents clients in government investigations, voluntary disclosures of noncompliance, and enforcement actions, with ample experience negotiating settlements with federal and state government parties.
As a litigator, Marshall handles matters in federal and state courts involving administrative appeals, citizen suits, and multiparty cost allocations. He also advises clients on filing comments on proposed agency actions and challenging final agency actions. With an undergraduate degree in Environmental Science, Marshall draws on his extensive chemistry and biology background to address effectively the scientific and engineering issues in environmental matters.
Marshall's range of experience has covered matters involving the Clean Air Act; the Toxic Substances Control Act (TSCA); the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA); the Endangered Species Act (ESA); the Resource Conservation and Recovery Act (RCRA); and the Comprehensive Environmental Response, Compensation and Liability Act (CERCLA), as well as state law equivalents. He has also advised clients on warning, labeling, and reporting obligations under various state laws, including California Proposition 65, children's product laws, and green chemistry laws, as well as under European Union regulations and directives.
Within the firm, Marshall serves on the Diversity Committee for the D.C. office. Prior to Sidley, Marshall served as an Assistant Attorney General in the Honors Program of the Washington State Attorney General’s Office. In that position, he gained substantial administrative and appellate litigation experience in energy and occupational safety matters. Additionally, he served as an Indian law advisor to various state government programs.