Gregory Wall

Partner

Hunton Andrews Kurth LLP

As a former US Environmental Protection Agency (EPA)
senior attorney, Greg uses his agency experience to
resolve difficult environmental matters. He brings over 20
years of practice in environmental law and has particular
knowledge of PFAS, CERCLA/Superfund, TSCA, FIFRA, and
RCRA. According to Chambers USA, “Greg has an
exceptional ability to make complex issues
understandable” (2024).

Greg co-chairs the firm’s chemical regulatory and PFAS
practices and advises clients across diverse industries—
including chemical, pesticide, oil and gas, electric utility,
food and beverage, electronics and semiconductors,
financial services, private equity, retail, mining, rail, airline,
and marine transport—in environmental regulatory,
counseling, enforcement defense, litigation, and
transactional matters. Greg was involved in shaping and
framing some of the earliest site remediation enforcement
actions involving PFAS and analyzing EPA’s statutory and
regulatory authorities to address PFAS contamination
under existing law. His experience in both private and
public practice helps him navigate the regulatory process
with an informed understanding of government decisionmaking
and strategies for efficiently resolving complex
legal and policy issues. Drawing on his EPA experience, he
has negotiated settlements saving clients millions of
dollars in penalties in EPA enforcement actions, particularly
under TSCA and FIFRA. He also has significant experience
related to the acquisition and sale of environmentallyimpaired
property, conducting voluntary cleanups,
negotiating environmental liability transfers, and the redevelopment
of brownfield sites, including for renewable
energy projects.

Greg practiced CERCLA at the highest levels in the federal
government and relies on that experience in his defense of
clients facing government enforcement or private party
contribution actions. Greg previously served as the lead
EPA Headquarters attorney on cleanup enforcement cases
at Superfund sites with remedies exceeding $1 billion. He
not only worked on national CERCLA matters, but also
authored national guidance documents and drafted
model settlement documents used by EPA nationwide.
During his EPA tenure, Greg received numerous EPA and
DOJ awards, including for his work on the Administrator’s
Superfund Task Force and the development of EPA’s
national enforcement response to the US Supreme Court’s
landmark decision in Burlington Northern & Santa Fe
Railway v. United States.

Greg is an adjunct professor at William & Mary Law School,
teaching Environmental Law and the Regulation of Toxic
Substances and Hazardous Waste.