Kent Mayo


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P: +1.202.639.1122 F: +1.202.585.1007
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Kent Mayo handles a wide variety of environmental matters, with a focus on environmental litigation and enforcement defense, permitting and regulatory compliance under the Clean Air Act. His litigation work includes serving as lead counsel in multiple New Source Review and other Clean Air Act actions brought by the United States, states and citizen groups. He also represents clients in toxic tort and class action litigation arising from environmental issues. In the regulatory sphere, Mr. Mayo counsels clients on permitting issues and has assisted clients in obtaining and defending permits issued for new facilities in multiple jurisdictions. Mr. Mayo is a member of the firm’s global Climate Change Practice and counsels clients on climate change policy developments and potential impacts on business operations, including EPA rulemakings regarding permitting and standards for GHG emissions.

Mr. Mayo previously worked as a trial lawyer in the Environmental Enforcement Section of the U.S. Department of Justice, where he led teams in complex environmental litigation, settlement negotiations and mediations in a broad range of civil environmental actions, including cases involving Clean Air Act and Clean Water Act violations and cases arising under CERCLA’s remedial, cost recovery and natural resource damages provisions.

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