Gregory R. Tan

Gregory R. Tan focuses his practice on environmental litigation, environmental compliance counseling and land use permitting. Greg represents clients in connection with civil and administrative enforcement matters under the Clean Water Act (CWA), Clean Air Act (CAA), Resource Conservation and Recovery Act (RCRA), Comprehensive Environmental Response, Compensation and Liability Act (CERCLA), Emergency Planning and Community Right to Know Act (EPCRA), Toxic Substances Control Act (TSCA) and other federal, state and local laws. Greg advises clients on the environmental aspects of transactions, including environmental due diligence and negotiating environmental terms in deal documents. Greg also assists clients with land use permitting and entitlements for development projects throughout the Denver metro area.

Prior to joining the firm, Greg led numerous enforcement cases at the U.S. Environmental Protection Agency’s Atlanta regional office. Greg also counseled EPA’s regional air program on matters related to Title V permitting and NAAQS designations. Prior to his work at EPA, Greg practiced land use law in Atlanta.

Good to know

Areas of Practice 1) Environmental, 2) Litigation, 3) American Indian Law and 4) Land Development
Law School J.D., Vermont Law School, 1998
Education B.A., Urban Studies & Planning, University of California at San Diego, 1992
Bar Member / Association State bar of Colorado,State bar of Georgia, U.S. District Court for the District of Colorado, U.S. District Court for the Northern District of Georgia,
Most recent firm Greenberg Traurig LLP
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