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 is a recognized young leader in chemical regulation, product stewardship, and emerging contaminants. He advises clients on chemical and product regulation, climate change and air laws, waste management, and contaminated site remediation across the energy, technology, manufacturing, and mining sectors. He has been recognized with the 2021 Best Lawyers: Ones to Watch award for his work in environmental law.
Marshall regularly represents clients in government investigations and enforcement actions and he has ample experience negotiating settlements with federal and state government parties, including for voluntary disclosures of noncompliance. 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 Resource Conservation and Recovery Act (RCRA); and the Comprehensive Environmental Response, Compensation and Liability Act (CERCLA); the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA); and the Endangered Species Act (ESA), as well as state law equivalents. His experience covers chemical, product, and waste requirements under international and foreign law, such as under European Union regulations and directives. He also counsels clients on chemical and product requirements under various state laws, including California Proposition 65, children’s product laws, and green chemistry laws.
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.