Gary Pasheilich is a member of the Environmental, Safety & Health Practice Group and has diverse experience with complex civil and administrative matters involving the major federal and state air, water, and solid and hazardous waste laws.

    Gary’s practice focuses on legacy environmental liabilities at industrial and commercial sites, including litigation and advocacy relating to liability under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) and Resource Conservation and Recovery Act (RCRA), as well as environmental due diligence in support of complex commercial transactions.

    Before joining Squire Patton Boggs in 2012, Gary was an assistant attorney general in the Environmental Enforcement Section of the Ohio Attorney General’s Office where he was trial counsel in numerous matters involving air pollution permitting and enforcement. He has briefed and argued before the Tenth District Court of Appeals, the Ohio Supreme Court, and various Ohio courts of common pleas. He represented the Director of the Ohio Environmental Protection Agency in more than 50 appeals before the Environmental Review Appeals Commission, involving a wide range of permitting and rule-development issues.

    Award Mouse thought multimedia interface book medal screen monitor
    • Assisted with the successful resolution of a solid waste district’s enforcement of flow control rules against recycler and transporter.
    • Performed environmental due diligence and advised company as to regulatory requirements and liability assessment over the course of multiple acquisitions of solid waste facilities in several states, including Ohio, Pennsylvania, New York, New Jersey, Connecticut and Massachusetts.
    • Assisted financial institution in conducting environmental assessment of salvage yard and advising as to implications in acquiring site through foreclosure.
    • Assisted rendering facility with administrative appeal and negotiation of revised air pollution permit to operate.
    • Assisted metals recycling company with administrative challenge to issuance of RCRA variance under state program and under the federal Definition of Solid Waste Rule.
    • Assisted waste disposal company with litigation defense to liabilities associated with an underground fire at a landfill.
    • Assisted manufacturing company with the negotiated resolution of multi-company litigation involving solvent contamination in groundwater and RCRA-related liabilities.
    • Assisted interstate pipeline company with navigating the regulatory siting process before the Ohio Power Siting Board.
    • Obtained reversal of trial court decision before the 10th District Court of Appeals in a major source air pollution case, prevailing on all assignments of error. Successfully defended against reversal before the Ohio Supreme Court. State v. Shelly Materials, 2012-Ohio-5700 (Dec. 6, 2012), and 2010-Ohio-6526 (10th Dist. 2010).
    • Assisted with rulemaking challenge before the Sixth Circuit Court of Appeals to US EPA’s disapproval of Ohio’s state plan for implementing the Cross-State Air Pollution Rule. Ohio v. EPA, 6th Cir. No. 11-3988.


    • Capital University, J.D., 2005
    • The Ohio State University, B.A., 1998


    • Ohio, 2005


    • U.S. Ct. of App., Sixth Circuit
    • U.S. Dist. Ct., N. Dist. of Ohio
    • U.S. Dist. Ct., S. Dist. of Ohio
    • Recognized in The Best Lawyers in America 2021: Ones to Watch for Environmental Law in Columbus

    {{}} {{insights.source}} {{insights.type}}
    {{blog.title}} {{blog.source}}

    • Ohio v. Shelly Holding Company: A Roadmap for Minimizing Civil Penalties,” Environmental, Safety & Health Review, February 2013.
    • Strike Two on Interstate Air Pollution: DC Circuit Vacates CSAPR,” Environmental, Safety and Health Review, October 2012.
    • Author, "DC Circuit Vacates and Remands the Cross-State Air Pollution Rule," Client Alert, August 2012.
    • Author, "Governor Kasich Signs Executive Order on Injection Wells," Client Alert, July 2012.
    • Author, “Small Particles, Big Problems: US EPA’s New Particulate Matter Standards,” Environmental, Safety & Health Review, July 2012.

    Award Mouse thought multimedia interface book medal screen monitor