DeMarini, D., V. Marshall, R. Hillger, S. Warren, A. Swank, T. Hughes, A. Elskus, C. Byrne, J. Ferrario, C. Orazio, R. Dudley, J. Diliberto, S. Stodola, S. Mierzykowski, K. Pugh, AND C. Culbertson. Regionally Applied Research Efforts (RARE) Report titled "The Penobscot River and Environmental Contaminants: Assessment of Tribal Exposure Through Sustenance Lifeways. U.S. EPA Office of Research and Development, Washington, DC, 2015.

Warren, S., L. Claxton, T. Hughes, A. Swank, J. Diliberto, V. Marshall, D. Kusnierz, R. Hillger, AND D. DeMarini. Survey of the Mutagenicity of Surface Water, Sediments, and Drinking Water from the Penobscot Indian Nation. CHEMOSPHERE. Elsevier Science Ltd, New York, NY, 120(1):690-696, (2015).

Rountree, N., A. Radadia, C. Williams-DeVane, B. Van Etten, J. Zhang, T. Hughes, BJ George, D. Doerfler, M. Khan, A. Vega, D. Lyons, L. Burgoon, AND S. Edwards. Wiki-based Data Management to Support Systems Toxicology*. Presented at Society of Toxicology CCT Meeting: Building for Better Decisions: Multi-Scale Integration of Human Health and Environmental Data, May 08 - 11, 2012.

Radadia, A., M. ROUNDTREE, C. WILLIAMS, B. Van Etten, J. Zhang, T. J. HUGHES, B. J. GEORGE, D. L. DOERFLER, M. M. KHAN, A. M. VEGA, D. LYONS, L. BURGOON, AND S. W. EDWARDS. Wiki-Based Data Management to Support Systems Toxicology. Presented at Genetics and Environmental Mutagenesis Society, Chapel Hill, NC, November 08, 2011.

HUGHES, T. J., J. J. DILIBERTO, AND L. S. BIRNBAUM. QA Activities on Two Large RARE Projects at the US EPA, RTP, NC ─ from Fish to Humans. Presented at EPA Quality Management Meeting, San Antonio, TX, May 12 - 14, 2009.

DILIBERTO, J. J., J. BECKER, D. JUDE, L. SIRINEK, D. G. PATTERSON, W. TURNER, R. B. LANDY, T. J. HUGHES, D. STAATS, AND L. S. BIRNBAUM. Serum Levels of Dioxin and Dioxin-Like Compounds in Women Living in a Highly Industrialized Area of West Virginia . Presented at 2009 Annual Society of Toxicology Meeting, Baltimore, MD, March 15 - 19, 2009.

HUGHES, T. J. The Long and Winding Road: Duties of an NHEERL QA Manager from 1999 to 2008. Presented at EPA Quality Management Meeting, San Antonio, TX, May 12 - 14, 2009.

HUGHES, T. J. Advantages and Challenges of Electronic Records for Scientific Data at the US EPA. Presented at Annual U.S. EPA Quality Assurance Managers Meeting, Seattle, WA, April 21 - 24, 2008.

HUGHES, T. J. AND B. CULPEPPER. A VIRTUAL TECHNICAL SYSTEMS AUDIT OF RESEARCH QUALITY ASSURANCE AND RECORD MANAGEMENT SYSTEMS IN ORD, U.S EPA. Presented at U.S. EPA Annual QA Meeting, Austin, TX, April 24 - 28, 2006.

HUGHES, T. J. AND B T. Culpepper. INTRODUCTION TO QUALITY ASSURANCE PRACTICES AT THE U. S. ENVIRONMENTAL PROTECTION AGENCY. QUALITY ASSURANCE: GOOD PRACTICE, REGULATION, AND LAW. Taylor & Francis, Inc., Philadelphia, PA, 7(4):179, (1999).

HUGHES, T. J. QUALITY SCIENCE AND QUALITY ASSURANCE: OBSERVATIONS OR AN ENVIRONMENTAL SCIENTIST. QUALITY ASSURANCE: GOOD PRACTICE, REGULATION, AND LAW. Taylor & Francis, Inc., Philadelphia, PA, 7(4):225-235, (1999).