Richard E. Engler, Ph.D.
Director of Chemistry

T: 202-266-5039
F: 202-557-3836
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BS, Haverford College, Chemistry (Honors), 1987

MS, University of California, San Diego, Physical Organic Chemistry, 1989

Ph.D., University of California, San Diego, Physical Organic Chemistry, 1995


U.S. EPA Bronze Medal for Commendable Service (1999, 2000, 2004, 2013, 2014)

U.S. EPA James T. Craig Pollution Prevention Leadership Award (2007)

U.S. EPA Superior Accomplishment Award (2006)

U.S. EPA Mission Award (1998, 2004, 2010)

U.S. EPA Teamwork Award (2001, 2006, 2010)

Syntex Corporation Fellow, University of California, San Diego (1992)

Eli Lilly Fellow, University of California, San Diego (1991-1992)



Richard E. Engler, Ph.D. is Director of Chemistry with The Acta Group (Acta®).  Dr. Engler is a 17-year veteran of the U.S. Environmental Protection Agency (EPA) and is one of the most widely recognized experts in the field of green chemistry, having served as senior staff scientist in EPA's Office of Pollution Prevention and Toxics (OPPT) and leader of EPA's Green Chemistry Program.  He has participated in thousands of Toxic Substances Control Act (TSCA) substance reviews at EPA, as well as pre-notice and post-review meetings with submitters to resolve complex or difficult cases, and he draws upon this invaluable experience to assist Acta clients as they develop and commercialize novel chemistries.

Dr. Engler's expansive understanding of the specific challenges and opportunities TSCA presents for green and sustainable chemistry is a powerful asset for clients during regulatory review.  He assists clients in performing toxicological reviews, performing environmental fate modeling using Sustainable Futures tools, and preparing scientific and test data for regulatory submission.  He is particularly skilled in preparing Pollution Prevention (P2) statements to highlight the concrete environmental benefits of biobased or renewable chemicals, as well as other sustainable chemistry products and processes.

Representative Engagements:

  • Prepared an Optional P2 Statement for a premanufacture notice (PMN) submitted by a leading global specialty chemical company that lead to a determination of reduced relative risk and a no Section 5 regulatory action on the PMN substance.
  • Responded to concerns raised during review of a PMN submitted to reduce a risk-based, up-front ban to a non-risk-based Significant New Use Rule (SNUR).
  • Prepared comments on an existing chemical SNUR to describe accurately on-going uses to protect a Fortune 500 business’ critical product lines and protect confidential business information.
  • Assisted small, startup biobased chemical company with determining which of its intermediates and byproducts are reportable under TSCA.
  • Assisted leading U.S. additive producer with substance identity profile (SIP) and sameness reviews for Registration, Evaluation, Authorization and Restriction of Chemicals (REACH) registrations.
  • Prepared a regulatory analysis to demonstrate compliance with TSCA Chemical Data Reporting (CDR) regulations and to avoid a threatened lawsuit against a Fortune 500 company.
  • Assisted global chemical company with preparation for EPA TSCA audit and attended site visit by EPA inspectors; addressed to inspector’s questions in the moment, avoiding additional follow-on questions by EPA.
  • Assisted small company to respond to EPA TSCA audit; ensured that responses were within the scope of the audit, avoiding additional data gathering.


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