Gregory A. Clark

Washington,  DC  U.S.A.

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Experience & Credentials

Practice Areas

  • Biotechnology
  • Chemical Control
  • Pesticides
  • Environmental
  • Fuels
University James Madison University, B.S., magna cum laude, 2005
Law SchoolUniversity of Virginia, J.D., 2010
Admitted2010, Virginia; District of Columbia

Gregory Clark joined Keller and Heckman in 2010. He practices in the area of environmental law.

While in law school, Mr. Clark served as an articles editor for the Virginia Journal of Law and Technology. Prior to law school, Mr. Clark worked as an EPA contractor, primarily for the Water Security Division in the Office of Groundwater and Drinking Water. In this arena, Mr. Clark worked on validation of molecular biology and microbiology methods and on emergency preparedness. He led development of what is now EPA's Water Laboratory Alliance Response Plan, which was developed to aid laboratories in responding collaboratively on a regional scale to natural, intentional, and unintentional water contamination incidents.


Sep 28, 2015 EPA Proposes RCRA Management Standards for Hazardous Waste Pharmaceuticals

Jan 01, 2014 Microbial Products of Biotechnology

Oct 04, 2013 What is California Up To? - The Initial List of Candidate Chemicals is Published

May 22, 2013 Summary - Chemical Safety Improvement Act of 2013

Nov 06, 2012 Environmental Business Alert

Oct 10, 2012 Environmental Business Alert

Sep 24, 2012 Fuels Alert


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EPA Proposes RCRA Management Standards for Hazardous Waste Pharmaceuticals
Gregory A. Clark,Jean-Cyril Walker, October 7, 2015
On September 25, 2015, the U.S. Environmental Protection Agency proposed new regulations for hazardous waste pharmaceuticals.[1] The proposed regulations are intended to provide greater flexibility under the Resource Conservation and Recovery Act (RCRA)[2] to healthcare facilities and...
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Office Information

Gregory A. Clark

Suite 500 West, 1001 G Street, N.W.
WashingtonDC 20001


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