Geoffrey B. Tichenor

Geoffrey B. Tichenor
Portland, OR

About Geoff

Geoff Tichenor is a problem solver first, environmental lawyer second. Geoff helps clients to navigate the requirements arising under state and federal environmental laws applicable to air emissions, water discharges, storage tanks, waste management, contaminated lands, chemical storage and spills. He regularly counsels clients facing environmental enforcement actions and presenting complex permitting and compliance questions. Geoff has broad experience representing clients before state and federal agencies. He also regularly advises clients on managing the risks associated with real estate and other business transactions, and on developing effective corporate environmental management and auditing strategies. Geoff was selected as an Oregon Environmental Super Lawyer Rising Star for 2013 and 2014, and as one of the Portland Business Journal’s 40 Under 40 in 2013.

Previously, Geoff worked with Seyfarth Shaw, LLP, Chicago, Illinois (2006) and The Collins Law Firm, Naperville, Illinois (2005‑2006). He also served as a law clerk to The Honorable Lesley Wells, United States District Court, Cleveland, Ohio (2004‑2005) and the Oregon Department of Justice, Natural Resources Section, Portland, Oregon (2002‑2004). During law school, Geoff externed with The Honorable Lynn Adelman, United States District Court, Milwaukee, Wisconsin (Summer 2003).

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Government Action / Citizen Suits

  • Defend clients in federal and state environmental enforcement actions, including negotiating civil settlements, penalties, supplemental environmental projects, and responding to information requests.
  • Represent clients in responding to 60-day notice-of-intent-to-sue letters from environmental organizations.
  • Develop comments for clients on proposed administrative rules, state and federal laws.
  • Assist clients to voluntarily self-disclose environmental violations under federal and state audit policies.
  • Represent industrial clients in resolving OSHA citations.
  • Assist corporate clients facing criminal investigations.

Compliance Counseling

  • Provide regulatory compliance counseling to clients under the Resource Conservation and Recovery Act; Clean Air Act; Clean Water Act; Comprehensive Environmental Response, Compensation and Liability Act; Safe Drinking Water Act; Emergency Planning and Community Right-to-Know Act; Toxic Substances Control Act; Federal Insecticide, Fungicide and Rodenticide Act; and comparable state laws.
  • Advise clients regarding the classification and transportation of hazardous materials under state and federal regulatory programs, including requirements prescribed by the U.S. Department of Transportation’s (DOT) Hazardous Materials Regulations (HMR).

Environmental Permitting

  • Assist industrial facilities to obtain and renew wastewater discharge permits.
  • Assist public wastewater treatment facility in NPDES permit renewal process.
  • Assist clients to obtain WPCF permits under Oregon’s Underground Injection Control Program.
  • Assist municipality to renew its NPDES MS4 permit.
  • Assist industrial facilities to obtain and comply with air permits.

Due Diligence / Environmental Business Transactions

  • Conduct environmental due diligence in business and real estate transactions, including on behalf of parties interested in pursuing oil and gas development ventures, acquiring large-scale manufacturing operations, wind farms and biomass facilities.
  • Draft environmental provisions in letters of intent, purchase and sale agreements and related documents in real estate transactions.
  • Assist buyers to obtain coverage under environmental permits held by sellers.
  • Represent clients in negotiating prospective purchase agreements with the Oregon DEQ.


  • Represent clients in private environmental cost recovery actions under Oregon, Washington and federal clean-up laws.
  • Assist clients in negotiating agreements with federal and state governments, to resolve their potential liability for contamination.
  • Negotiate cost sharing, access and other agreements between parties.
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Honors & Activities

Professional Honors and Activities

  • Selected as one of “America’s Leading Lawyers for Business” (Oregon) by Chambers USA (currently: Environment), Recognized Practitioner, 2017
  • Listed among Rising Stars (Environmental), Oregon Super Lawyers®, 2013‑2014
  • Selected as part of the Portland Business Journal’s “Forty Under 40,” 2013
  • Selected as an “Up & Coming Lawyer” by The Oregon Daily Journal of Commerce, 2012
  • Adjunct Professor, Clean Air Act Seminar, Lewis & Clark Law School, 2012
  • Steering Committee Member, Northwest Environmental Conference
  • Volunteer Attorney, Multnomah County Legal Aid Services Clinic
  • Member, Environmental and Natural Resources Section, Oregon State Bar Association
  • Member, Sustainable Future Section, Oregon State Bar Association
  • Past Mentor Attorney, Multnomah County Bar Association
  • Past Mentor Attorney, Lewis & Clark Law School
  • Past Member, Oregon State Bar House of Delegates

Civic Activities

  • Board Chair and Volunteer, Portland Homeless Family Solutions
  • Volunteer, Fences for Fido
  • Multnomah County Election Protection Observer
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Insights & Presentations

Insights & Presentations

  • Moderator, “Air Quality - Charting a New Regulatory Course,” Northwest Environmental Conference & Tradeshow, Portland, Oregon, Dec. 6, 2016
  • Presenter, "Navigating the DEQ Enforcement Process," NEBC Cascade Chapter Luncheon, Feb. 11, 2016
  • Moderator: Advanced Air Session, Northwest Environmental Conference & Tradeshow, Dec. 10-11, 2015
  • Presenter: “EPA Changes the Rules (Again): Recent Changes to the Definition of 'Solid Waste,' ” Oregon State Bar Environmental and Natural Resources Section, Oct. 23, 2015
  • Presenter, “The Definition of Solid Waste Rulemaking,” Stoel Rives ELUNR Workshop Series, May 21, 2015
  • Presenter, “Oregon’s Revised Air Rules – DEQ Kitchen Sink Rulemaking, It’s Here At Last,” Stoel Rives ELUNR Workshop Series, April 22, 2015
  • Presenter, “Spill Prevention, Control and Countermeasure (SPCC) Plans: Does Your Facility Need One?” Stoel Rives ELUNR Workshop Series, Nov. 19, 2014
  • Presenter, “Statutory Update: Clean Water Act, Clean Air Act & CERCLA,” Oregon State Bar, Oct. 24, 2014
  • Presenter, “Forest Products Clean Air Act Update,” FRA Western Regional Fall Association Meeting, Oct. 15, 2014
  • Presenter, “DEQ to Change Air Rules,” Stoel Rives RDE Lunch Workshop Series, Feb. 13, 2014
  • Presenter, “Joining a Nonprofit Board,” Young Nonprofit Professionals Network, Aug. 8, 2013
  • Presenter, “Mill Management: A Day in the (Environmental) Life,” Oregon State University College of Forestry, Forest Products Management Development Course, April 29, 2013
  • Presenter, “New Boiler MACT Goes Final,” Stoel Rives RDE Lunch Workshop Series, Jan. 24, 2013
  • Presenter, “What’s That Thang? Corporate Environmental Responsibility,” PNWIS Conference, A&WMA, Nov. 7, 2012
  • Presenter, “Getting The Most from The Consultant/Attorney Team:  Improv,” Multnomah Athletic Club, Oct. 25, 2012
  • Author, "EPA's Proposed 'Standards of Performance for Greenhouse Gas Emissions for New Stationary Sources: Electric Utility Generating Units,'" Case Notes: Recent Environmental Cases and Rules, Oregon State Bar Environmental and Natural Resources Section, May 2012
  • Presenter, “Emerging Air Quality Requirements,” Northwest Pulp and Paper Association Annual Meeting, June 23, 2011
  • Presenter, “Getting the Most from the Consultant/Attorney Team,” Multnomah Athletic Club, May 20, 2011
  • Presenter, “Boiler MACT Definition Of Solid Waste: The Rules Are Here,” The Seminar Group, May 3, 2011
  • Presenter, “Environmental Law Update: The Recent Changes That You Need to Know About,” GOSH 2011, March 8, 2011
  • Presenter, “Boiler MACT/Definition of Solid Waste: The Rules are Here,” Stoel Rives RDE Lunch Workshop Series, March 3, 2011
  • Moderator, “Underground Injection Controls and Alternatives,” and “Dealing with the Media: What Do You Do When The Media Contacts You?” Northwest Environmental Conference, Portland, Oregon, Dec. 6‑7, 2010
  • Presenter, “Environmental Law Update: The Recent Changes that You Need to Know About,” Cascade Occupation Safety & Health Conference, March 9, 2010
  • Presenter, “(Underground Injection Control), Well What Is My Business Supposed to Do?” Stoel Rives RDE Lunch Workshop Series, Feb. 17, 2010
  • Moderator, “Understanding Environmental Crimes: Practical Information for Your Business,” Northwest Environmental Conference, Dec. 7, 2009
  • Presenter, “President Obama’s First 100 Days,” Stoel Rives RDE Lunch Workshop Series, May 7, 2009
  • Presenter, “Environmental Enforcement: 2008 Summary and 2009 Preview,” Stoel Rives RDE Lunch Workshop Series, Feb. 19, 2009
  • Moderator, “Air Quality Basics” and “Our Energy Future: Challenges to Siting Energy Infrastructure Projects in the Northwest,” Northwest Environmental Conference, Dec. 8‑9, 2008
  • Presenter, “Air Litigation Update,” Air & Waste Management Association Webinar Conference, Oct. 30, 2008
  • Presenter, “Environmental Litigation Update – EP‑1 Air Pollution Policy and Regulations,” Air & Waste Management Association 2008 Annual Conference, June 25, 2008
  • Guest Lecturer, Clean Air Act Seminar, Lewis & Clark Law School, Fall 2007, 2009
  • Coauthor, "Emergency Release Notification Requirements: How Soon Is Soon Enough?" ABA Environmental Enforcement Crimes Committee Newsletter, Vol. 8, No. 2, Feb. 2007
  • Editor, Environmental Law chapter, New York Construction Law Manual, 2d Ed., West 2006
  • Monthly columnist, The Naperville Sun, 2006

Related News & Publications

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