Contact UsQuestions concerning the relative bioavailability in soil as well as questions for the Technical Review Workgroup for Metals and Asbestos (TRW) or Bioavailability Workgroup may be submitted in any one of the following ways:
Send a question via e-mail to BAhelp@epa.gov.
Call the toll-free TRW Hotline phone number at 1-866-282-8622. If a hotline staff member is not available to speak with you, you may leave a message on the hotline voicemail system.
Write to Michele Burgess, co-chair of the Technical Review Workgroup for Metals and Asbestos (TRW), at:
Michele Burgess, Ph.D.
U.S. Environmental Protection Agency
Office of Superfund Remediation and Technology Innovation
1200 Pennsylvania Avenue NW (5204G)
Washington, DC 20460
Contact the Bioavailability Committee co-chairs via e-mail: