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Devin A.Barry


O 216.566.5854

Devin A.Barry


Focus Areas

An illustrative sampling of Devin’s experience includes:


  • Defended multiple steel manufacturing plants against federal enforcement action brought by EPA and the DOJ alleging violations of Title V permit limits and NESHAP and NSPS requirements and negotiated reversal of referral from DOJ to EPA for resolution through administrative orders.
  • Defended adhesive and coatings manufacturer against federal enforcement actions brought by EPA alleging violations of Title V Permit pollution control requirements and negotiated resolution through a Consent Agreement and Final Order and an Administrative Consent Order with EPA.
  • Defended tire manufacturer against state enforcement action alleging violations of PSD permitting and BACT requirements and negotiated resolution through a Consent Decree with the state attorney general.
  • Defended various state enforcement actions alleging Clean Air Act violations against manufacturing clients in Ohio, Illinois, Indiana, Virginia, New Hampshire and Alabama.
  • Defended various federal and state enforcement actions against manufacturing and commercial clients relating to hazardous waste, universal waste and used oil management requirements under RCRA or state law.
  • Defended industrial and commercial clients against state and municipal enforcement actions relating to stormwater discharges under general and individual NPDES permits, NPDES permitted discharges for private wastewater treatment plants and indirect discharge permits.
  • Defended various industrial clients from cost recovery and contribution claims under CERCLA (Superfund) and state equivalents, including negotiating and drafting global settlements in multi-party suits and Consent Decrees in governmental actions.
  • Defended various industrial and commercial clients in suits arising from environmental indemnification disputes relating to current or legacy contamination.
  • Represented various clients in mediations and arbitrations relating to environmental disputes.
  • Defended industrial clients against medical monitoring and property damage claims.
  • Negotiated private settlements of various Proposition 65 claims concerning products sold in California.

Regulatory & Compliance Matters

  • Extensive experience with environmental compliance issues in the rubber, aerospace, automotive, coatings, tools, steel, scrap and chemical industries.
  • Assisted various industrial clients with evaluating potential facility changes impacting or expanding regulated operations and developing permitting strategies to ensure operations were not disrupted or projects delayed.
  • Developed strategies to address environmental justice requirements impacting air permitting projects in environmental justice areas.
  • Assisted Ohio manufacturer to revise community response plan to address environmental justice considerations in community.
  • Assist clients with identifying and evaluating state environmental justice legislation in connection with strategic expansion goals for future manufacturing plant locations.
  • Assisted various manufacturing facilities with PCB self-implementing remediations and risk-based remediations under TSCA, including negotiation of coordinated approval between EPA and state regulatory authorities.
  • Assisted industrial clients in creating, implementing, managing and responding to enterprise-wide EH&S audits, including subsequent disclosures under applicable federal or state self-disclosure laws.
  • Counsel clients on federal, state and permit reporting and response obligations following spills of hazardous substances and oils, fires and explosions, pollution control device malfunctions and other emergency events.
  • Assisted client in re-classifying its facility as a minor source under NESHAP requirements following changes in federal law.
  • Assist clients in responding to Clean Air Act, Section 114 requests for information and CERCLA, Section 104 Requests for Information.
  • Assisted solid waste biomass and digestion facility with zoning and developing strategy for securing applicable permits for all aspects of operations involving emissions, waste disposition, water discharges and beneficial use requirements.
  • Assisted various clients with evaluating air permit applicability and securing federal or state construction or operating permits for minor (true and synthetic) and major sources (Title V).
  • Assisted various clients in securing stormwater or direct discharge NPDES permits from federal or state authorities and indirect discharge permits from municipalities.
  • Assist client with preparing Title V annual certifications, semi-annual reports and deviation reporting under applicable air permits.
  • Negotiated variances and exemptions for beneficial uses of solid waste generated from client facilities.
  • Counsel clients on greenhouse gas regulations and ESG reporting requirements.
  • Counsel clients on compliance issues arising under the CAA, CWA, RCRA, TSCA, EPCRA, FIFRA, and related state and local laws.
  • Advising manufacturing clients on renewable energy projects.
  • Represented clients contesting municipal ordinances adversely impacting stormwater and construction plans for business.

Transactional Matters

  • Drafted waste disposal, renewable energy and recycling agreements.
  • Negotiated and drafted UECA and private deed restrictions in various states in connection with remediations and/or transactions.
  • Counsel on brownfield redevelopment issues.
  • Utilized state voluntary cleanup programs to resolve legacy contamination issues in transactions.
  • Assist in real estate and corporate transactions involving the recognition and allocation of environmental liabilities, and the transfer and/or splitting of environmental permits and processes.
  • Counsel clients on state property transfer laws requiring closure or recognition of transferred environmental liabilities prior to transfer of ownership.
  • Draft environmental indemnification agreements and provisions in connection with refinancing and corporate transactions.
  • “U.S. EPA Finalizes PFAS Reporting Rule,” Thompson Hine Environmental Update, November 2023
  • “EPA Sets August 31, 2020 Termination Date for COVID-19 Enforcement Policy,” Thompson Hine COVID-19 Update, July 2020
  • “SCOTUS Rules Certain Indirect Discharges Require CWA Permit,” Thompson Hine Environmental Update, April 2020
  • “Muddied Waters: Sixth Circuit Rejects Expansion of CWA Jurisdiction,” Thompson Hine Environmental Update, October 2018
  • “Fourth Circuit Holds CWA Regulates Indirect Discharges from Ground Water to Navigable Surface Waters,” Thompson Hine Environmental Update, April 2018
  • “Lowered Ozone Standards Both a Victory & Defeat for Industry & Environmental Groups,” Thompson Hine Environmental Bulletin, October 2015
  • “Climate Change Regulations: A Showdown among the States,” DRI blog, 2013
  • “So What’s Left Post Kivalina for Climate Change Litigation?,” DRI blog, 2012
  • “Beware of ‘Green’ Penalties: DOE Aggressively Enforcing Energy Efficiency Certification Requirements,” Thompson Hine Green Products Update, 2010
  • Contributing author, Anderson’s Ohio Environmental Law Practice Manual, 2009-2014 editions
  • “EPA Issues Greenhouse Gas Endangerment Finding,” Scrap, December 2009
  • “Green Peer Pressure – Trendy or Troublesome?,” CMBA Bar Journal,  2009
  • “EPA Air Monitoring Initiative Leads to Concerns and Litigation,” Thompson Hine Mass & Toxic Tort and Environmental Update, 2009
  • “Stimulus Funds to Become Available for Eligible Underground Storage Tank Cleanup Projects,” Thompson Hine Environmental Update, 2009
  • “EPA Proposes Mandatory Greenhouse Gas Reporting Rule,” Thompson Hine Environmental Update, 2009
  • “HIPAA:  A Year in Review,” 1 ISJLP 2, 2006
  • “Managing Environmental Risk in Changing Times: A Forum for EH&S Counsel and Leaders,” Thompson Hine Webinar, May 2023
  • “Construction Air Permit Training: The Basics for Project Planning,” Client Webinar, February 2022
  • “An ESG Collaborative Roundtable: Best Practices to Set (and Exceed) ESG Goals,” Thompson Hine Webinar, January 2022.
  • “How Will a Changing Climate Change Your Business: Legal Implications of Climate Change,” Client Webinar Series, October – December 2021
  • “Air Initiatives under the Biden Administration,” Client Webinar, September 2021
  • “Your Emissions are Going Public!” PLAC Webinar, September 2021
  • “Insights on Environmental Shifts Under the Biden Administration,” Client Webinar, June 2021
  • “Product Stewardship and Product Liability: A Legal Primer,” Client Webinar, May 2021
  • “Regulatory Update – The First 100 Days: Environmental Law in the Biden Administration,” ASC Regulatory Affairs Update, April 2021
  • “Insights on Environmental Shifts Under the Biden Administration,” Thompson Hine Webinar, January 2021
  • “Environmental Compliance in a COVID-19 World: Best Practices and Risk Mitigation Strategies,” Thompson Hine Webinar, June 2020
  • “Learning from Past Environmental Missteps to Avoid Future Environmental Enforcement,” Ohio Chemistry Technology Council, November 2013
  • Selected for inclusion in The Best Lawyers in America© 2019 to 2024 for Environmental Law
  • CALI Award for Excellence in Public Utilities Law
  • 2005 Outstanding Student Note for I/S: A Journal for Law and Policy for the Information Society

Professional Associations

  • SOCMA, Environmental Committee member
  • Defense Research Institute (DRI), member and former publications chair for Toxic Tort and Environmental Law Committee
  • Cleveland Metropolitan Bar Association: member and former chair, Environmental Section (2012–2013)
  • Ohio State Bar Association, member, Environmental Section

Community Activities

  • Lake Erie Nature and Science Center, board member and secretary
  • Cleveland Leadership Center, Bridge Builders, class of 2017
  • Civic Leadership Institute, Winter 2014 class
  • The Diversity Center of Northeast Ohio, LeadDIVERSITY class of 2013
  • Boy Scouts of America, Cub Scout Den Leader


  • The Ohio State University Michael E. Moritz College of Law, J.D.,

    I/S: A Journal for Law and Policy for the Information Society, senior editor, 2005-2006

  • Miami University, B.S.

Bar Admissions

  • Ohio

Court Admissions

  • U.S. District Court for the Northern District of Ohio
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