Andy's practice focuses on environmental regulatory law and environmental litigation.
Andy is the managing partner of the Washington, D.C. office of Hunton & Williams LLP. For the past 35 years, Andy's practice has focused on environmental and administrative law, with an emphasis on representation of clients in federal and state enforcement actions brought by the U.S. Environmental Protection Agency (USEPA) under the Clean Air Act, in federal rulemakings and litigation arising under the Clean Air Act, and in a full range of Clean Air Act permitting matters. Most notably, she has served as lead counsel for industry in complex litigation in the United States Court of Appeals for the D.C. Circuit in numerous precedential environmental law cases, both challenging and supporting USEPA regulatory initiatives. Her representative clients include electric generating companies, chemical companies, pulp and paper mills, coal facilities, refineries, cement-manufacturing facilities, and flexible packaging companies.
Andy's work has garnered her numerous awards and professional recognition. She was the first woman elected to chair the American Bar Association's Environment, Energy and Resources Section (1989-1990). She has been listed in The Best Lawyers in America for Environmental Law since 1989; has been listed in Chamber USA since 2003; has since 2004 made the list of "Top Lawyers" by Washingtonian magazine for her work in environmental law; and was named a "Star of the Bar" in 2005 by the Women's Bar Association of the District of Columbia. Andy also frequently speaks on and has published numerous articles concerning Clean Air Act regulatory and litigation issues.
- Represents coalitions of industry sources in major federal Clean Air Act rulemakings and in litigation concerning USEPA’s regulatory programs and enforcement initiatives.
- Has successfully defended and negotiated favorable settlements in federal Clean Air Act enforcement actions brought by USEPA as part of that Agency’s new source review (NSR) enforcement initiative.
- Has served as lead counsel for industry in complex litigation in the United States Court of Appeals for the D.C. Circuit, challenging USEPA's regulations to control pollutant emissions from virtually all large facilities in the eastern United States.
- Successfully resolved an enforcement action involving a major chemical manufacturing company charged with violating the Clean Air Act's hazardous emissions standards and in which liability was substantially limited by developing—and prevailing on—a lack of fair notice defense.
- Provides advice to companies in the energy, chemical, pulp and paper, and refinery source sectors on a full range of Clean Air Act permitting issues.