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About EPA

About the Office of Inspector General (OIG)

What We Do

The Office of Inspector General is an independent office within EPA that helps the Agency protect the environment in a more efficient and cost effective manner. We perform audits, evaluations, and investigations of EPA and its contractors, to promote economy and efficiency, and to prevent and detect fraud, waste, and abuse. We also provide hotline services.

Programs and projects managed by OIG

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Organization

Arthur A. Elkins, Jr., Inspector General

Charles Sheehan, Deputy Inspector General

Aracely Nunez-Mattocks, Chief of Staff 

The Office of Inspector General includes:

Office of Audit

What We Do

Performs audits to improve the economy, efficiency, and effectiveness of Agency programs and prevent fraud, waste, and mismanagement. Product areas include contracts and assistance agreements, forensic audits, financial audits, risk assessment and program performance, and efficiency audits.

Mail code: 2410T | EPA mailing addresses
Location: EPA Headquarters at Washington, D.C. Federal Triangle campus

Office of Audit Organization

Melissa Heist, Assistant Inspector General

  • Phone: 202-566-0824

Richard Eyermann, Deputy Assistant Inspector General

  • Phone: 202-566-0824

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Office of Congressional and Public Affairs (OCPA)

What We Do

Performs communications functions, including publishing reports; managing the website; and providing communication and liaison services to Congress, the public, and the media.

Mail code: 2491T | EPA mailing addresses
Location: EPA Headquarters at Washington, D.C. Federal Triangle campus

OCPA Organization

Eileen McMahon, Assistant Inspector General

  • Phone: 202-566-2391

Nancy Long, Deputy Assistant Inspector General

  • Phone: 202-566-2391

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Office of Counsel

What We Do 

Provides independent legal and policy advice to all components of the OIG and represents the OIG in administrative litigation.

Mail code: 2411T | EPA mailing addresses
Location: EPA Headquarters at Washington, D.C. Federal Triangle campus

Office of Counsel Organization

Eric Hanger, Acting Counsel to the Inspector General

  • Phone: 202-566-0863

Eric Hanger, Deputy Counsel

  • Phone: 202-566-0863

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Office of Cyber Investigations and Homeland Security (OCI)

What We Do

Investigates attacks against EPA’s computer and network systems to protect EPA resources, infrastructure, and intellectual property from individuals and entities whose intent is to do harm. Also, implements the EPA OIG Hotline program to provide individuals with a means to provide tips.

Mail code: 8431P | EPA mailing addresses
Location: Potomac Yard, Arlington, VA

OCI Organization

Stephen Nesbitt, Assistant Inspector General

  • Phone: 703-347-8340

Melody Upah, Deputy Assistant Inspector General

  • Phone: 703-347-8340

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Office of Investigations

What We Do

Employs Special Agents, as well as computer specialists, to perform criminal investigations. Investigations focus on financial fraud (contracts and assistance agreements), computer crimes, infrastructure/terrorist threat, program integrity, and theft of data.

Mail code: 2431T | EPA mailing addresses
Location: EPA Headquarters at Washington, D.C. Federal Triangle campus

Office of Investigations Organization

Patrick Sullivan, Assistant Inspector General

  • Phone: 202-566-0819

Michael Daggett, Deputy Assistant Inspector General

  • Phone: 202-566-0819

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Office of Mission Systems

What We Do

Performs audits of and issues reports on EPA’s information resources management to ensure the Agency is adequately maintaining its systems and data. Also, provides information technology support to the rest of the OIG.

Mail code: 2441T | EPA mailing addresses
Location: EPA Headquarters at Washington, D.C. Federal Triangle campus

Office of Mission Systems Organization

Patricia Hill, Assistant Inspector General

  • Phone: 202-566-2683

Yvonne Kinney, Deputy Assistant Inspector General

  • Phone: 202-566-2683

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Office of Program Evaluation

What We Do

Performs program evaluations that assess and answer specific questions about how well a program is working. Product areas include air, water, Superfund/land, enforcement, research and development, cross-media, and special reviews.

Mail code: 2460T | EPA mailing addresses
Location: EPA Headquarters at Washington, D.C. Federal Triangle campus

Office of Program Evaluation Organization

Elizabeth Grossman, Acting Assistant Inspector General For Program Evaluation

  • Phone: 202-566-0832

Elizabeth Grossman, Deputy Assistant Inspector General

  • Phone: 202-566-0832

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