Martha E. Marrapese: Lawyer with Keller and Heckman LLP

Martha E. Marrapese

Washington,  DC  U.S.A.

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Experience & Credentials

Practice Areas

  • Biotechnology
  • California's Proposition 65
  • Chemical Control
  • Environmental
  • Fuels
  • Health and Safety Compliance Audit
  • International Regulatory Affairs
  • Workplace Safety and Health
  • Nanotechnology Strategy
  • Regulation and Defense
  • Pesticides
  • Product Stewardship
  • Green Chemistry and Sustainability
  • Trade and Professional Associations
University University of Vermont, B.S., 1984
Law SchoolCatholic University of America, J.D., 1991
Admitted1992, New Hampshire; 1994, District of Columbia; U.S. Supreme Court


•Virginia Biotechnology Association
Biopesticides Industry Alliance
American National Standards Institute's Nanotechnology Standards Panel
U.S. Technical Advisory Group (TAG) to ISO/TC 229 on Nanotechnologies


Martha Marrapese joined Keller and Heckman in 1992. Ms. Marrapese focuses on emerging technologies in the industrial chemicals, alternative energy, antimicrobial pesticides, plastic recycling and food sectors.

Ms. Marrapese facilitates the registration of emerging technologies in the global economy with a particular emphasis on biotechnology and nanotechnology applications. She has an expertise in the Toxic Substances Control Act (TSCA) and its counterparts in Canada, the European Union, and China. She provides legal counsel related to EPA, FDA, and associated regulatory needs for bio-based products and their production platforms including yeast, algae, bacteria and plants.

Ms. Marrapese is the immediate past Chair of the Pesticide, Chemical Regulation and Right-to-Know Committee (PCRRTK) of the American Bar Association (ABA) Section on Energy, Environment and Resources (SEER). Through SEER, under Ms. Marrapese's leadership PCRRTK issued a series of legal briefing papers on TSCA Reform.

A recipient of the American National Standards Institute (ANSI), Next Generation Leadership and Service Award, Ms. Marrapese served as a U.S. delegate to the International Standards Organization (ISO) TC-229 Committee on Nanotechnologies from 2005-2013 and chaired Working Group 1 Nomenclature and Terminology, for the U.S. Technical Advisory Group (TAG) to TC-229.

Prior to joining Keller and Heckman, Ms. Marrapese was on staff with the EPA's Solid Waste office, served as law clerk for administrative appeals to the Chief Judicial Officer of the EPA, and worked as a legislative aide for environmental matters on Capitol Hill during the Reagan Administration.


•Dec 18, 2015 Senate Approves TSCA Reform
•Jun 26, 2015 House Passes TSCA Modernization Act, What's Next
•Jun 04, 2015 TSCA Modernization Act Hearing
•May 14, 2015 Senate Committee Passes Amended TSCA Reform Bill, S. 697
•May 14, 2015 Chemical Labeling and Disclosures: Can the Government Put Words in Your Mouth
•May 14, 2015 House TSCA Modernization Act Gains Unanimous Bipartisan Support in Subcommittee, But More Work to be Done
•Apr 28, 2015 Environmental Appeals Board Decision in the Elementis Case: What It Means For The Continuing Violation Doctrine Under The Statute of Limitations For TSCA Section 8(e) and EPA's Guidance Definition For Corroborative Information


•Apr 16, 2015 Webinar: TSCA Reform, Ready for Prime Time?
•Sep 12, 2014 Science and Environmental Law Seminar - September 12, 2014 - Washington, DC
•Mar 04, 2014 Martha Marrapese to Present at GlobalChem 2014


•Apr 24, 2015 Leslie Krasny and Martha Marrapese author Addressing the Complexities of Regulatory Schemes for GMOs and Products Derived from Them
•Mar 04, 2014 Martha Marrapese to Present at GlobalChem 2014
•May 13, 2013 Keller and Heckman Partner and Advisory Board Member Martha Marrapese Encourages the Nanomanufacturing Community to Explore the Nanomaterial Registry
•Apr 26, 2013 Martha Marrapese Will Take Part On the Small Business Environmental Roundtable Meeting on Toxic Substances Control Act
•Nov 16, 2012 Martha Marrapese to Co-Host a Breakfast Briefing on Nanotechnology
•Aug 09, 2012 Partner Martha Marrapese Appointed Chair of the ABA's Committee on Pesticide, Chemical Regulation and Right to Know
•Jul 10, 2012 Partner Martha Marrapese to Participate in Algal Biofuels Panel Discussion at DOE's Annual Biomass Conference


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Senate Approves TSCA Reform
Eric P. Gotting,Martha E. Marrapese,Cressinda D. Schlag, January 8, 2016
After a difficult progression, the bipartisan TSCA reform bill, the “Frank R. Lautenberg Chemical Safety for the 21st Century Act” (S. 697), was passed by the Senate on Thursday, December 17, 2015. H.R. 2576 as amended by the Senate in its entirety with provisions from S. 697 provides...

House TSCA Modernization Act Gains Unanimous Bipartisan Support in Subcommittee, But More Work to be Done
Martha E. Marrapese,Adrienne M. Timmel, May 28, 2015
On May 14, 2015, the House of Representatives Environment and the Economy Subcommittee unanimously reported its TSCA Modernization Act legislative proposal. The draft is a result of bipartisan efforts led by the Subcommittee Chairman, John Shimkus (R-IL), and supported by Subcommittee Ranking...

Senate Committee Passes Amended TSCA Reform Bill, S. 697
Martha E. Marrapese,Adrienne M. Timmel, May 25, 2015
On April 28, 2015, the Senate Environment and Public Works Committee passed an amended version of the bipartisan bill S. 697, the “Frank R. Lautenberg Chemical Safety for the 21st Act.” The amended bill passed out of Committee with an ample majority, by a vote of 15-5. Several...

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Office Information

Martha E. Marrapese

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


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