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EPA Grants

Suspension and Debarment Contacts

System for Award Management (SAM) Inquiries

For questions about an active EPA exclusion on SAM, please send an inquiry via email to The EPA will respond to inquiries regarding active SAM records and all other general inquiries as soon as possible in the order they are received.
Title Contact Information Location
Suspension and Debarment Official’s Office

Duc H. Nguyen, Suspension and Debarring Official

Lauren Lovett, Chief Suspension and Debarment Hearing Officer
Marcella James, Program Analyst

Suspension and Debarment Division Mailing Address:
1200 Pennsylvania Avenue, N.W. (3902R)
Washington, D.C. 20460

Kathleen Timmins, Director
Phone: 202-564-5292

Carson Hodges, Deputy Director
Phone: 303-677-5354

EPA Region I

Colby Stewart, Attorney
Phone: 404-562-8466

  • Connecticut
  • Maine
  • Massachusetts
  • New Hampshire
  • Rhode Island
  • Vermont

EPA Region II

Colby Stewart, Attorney
Phone: 404-562-8466

  • New Jersey
  • New York
  • Puerto Rico
  • Virgin Islands

EPA Region III

Ross Phillips, Attorney
Phone: 202-564-8178

  • Delaware
  • District of Columbia
  • Maryland
  • Pennsylvania
  • Virginia
  • West Virginia

EPA Region IV

Angelia Blackwell, Attorney
Phone: 404-562-9872

  • Alabama
  • Florida
  • Georgia
  • Kentucky
  • Mississippi
  • North Carolina
  • South Carolina
  • Tennessee

EPA Region V

Jamie Lemley, Attorney
Phone: 202-564-5428

  • Illinois
  • Indiana
  • Michigan
  • Minnesota
  • Ohio
  • Wisconsin

EPA Region VI

Jennifer Lin, Attorney
Phone: 202-564-9778

  • Arkansas
  • Louisiana
  • New Mexico
  • Oklahoma
  • Texas

EPA Region VII

Jennifer Lin, Attorney
Phone: 202-564-9778

  • Iowa
  • Kansas
  • Missouri
  • Nebraska


Carson Hodges, Attorney
Phone: 303-677-5354

  • Colorado
  • Montana
  • North Dakota
  • South Dakota
  • Utah
  • Wyoming

EPA Region IX

Roy Seidenstein, Attorney
Phone: 202-564-9274

  • Arizona
  • California
  • Hawaii
  • Nevada
  • American Samoa
  • Guam

EPA Region X

Colby Stewart, Attorney
Phone: 404-562-8466

  • Alaska
  • Idaho
  • Oregon
  • Washington


Joe Carbonaro
Phone: 404-562-8161

Investigator Danielle Conde
Phone: 202-564-4096
Administrative Agreements Brandon McDowell
Phone: 303-377-5354