Dick Peddicord - Environmental Assessment and Management in Sediment and Shooting Ranges
Sediment Solutions
Sediment Solutions
     Professional Profile
Richard K. Peddicord, Ph. D.


Dr. Peddicord has 30 years experience related to assessing and managing environmental issues involving the presence and effects of contaminants in sediment, water, soil and biota. He successfully deals with ecological, regulatory and management aspects of such issues for a variety of industrial and governmental clients. His activities include technical conduct of projects, scientific consultation with clients, evaluation and management of contaminated sediments, assessment and management of potential impacts of dredging and dredged material placement, ecological risk assessment, regulatory review and negotiation, technical support of counsel and public interaction. Dr. Peddicord holds a B. S. degree in Biology from Morehead State University, and a Ph. D. in Marine Science from the Virginia Institute of Marine Science, University of Virginia.


Dredged Material Management - Dr. Peddicord was compiler and technical editor of the 1977 and 1991 EPA/CE joint testing manual (the Ocean Testing Manual or "Green Book") for evaluation of all dredged material proposed for placement in the ocean in the United States. This required development of regulatory and technical consensus among US Environmental Protection Agency (EPA) and US Army Corps of Engineers (USACE) Headquarters, Regions and Districts on dredged material toxicity and bioaccumulation testing, sampling, chemistry, statistics, QA/QC and evaluation of results to determine compliance with requirements of 40 CFR 227. For the USACE Dr. Peddicord prepared the draft of the Upland Testing Manual, providing guidance on evaluation of effluent, runoff, leachate, volatilization and plant & animal bioaccumulation from dredged material proposed for placement at upland sites. He authored an environmental guide on pre-dredging investigations for materials characterization for the International Association of Dredging Companies (IADC). Dr. Peddicord helped develop comments on the proposal to close the New York Mud Dump Site and designate the HARS, demonstrating a way to accomplish the proposed remediation much more quickly than the EPA recommended action. He evaluated potential upland sites for placement of material dredged from Winyah Bay for South Carolina State Ports Authority, and was technical lead on dredged material testing and evaluation for the EIS for the Daniel Island Terminal. He evaluated potential impacts of the proposed open-water placement Site 104 in Chesapeake Bay, including benthic toxicity and bioaccumulation, water quality, and mixing zone acceptability. Dr. Peddicord scoped, organized and conducted a national forum on Long-Term Management Strategies (LTMS) for Dredged Material for the USACE. This brought together national leaders from Federal and State regulatory agencies, port industry, dredging industry, coastal zone management, economic development agencies, environmental groups, planning agencies and resource management agencies to discuss optimal management of dredged material.

Sediment Risk Assessment - Dr. Peddicord led an ecological and human health risk assessment of dioxin associated with dredged material for the Port Authority of New York and New Jersey. Dredging and placement activities were addressed, and results were presented in such a way that they could easily be used to evaluate dioxin in any dredged material handled in the typical manner. Results indicating very little risk associated with the material in question were presented at public hearings on two dredging permit applications. Dr. Peddicord managed an ecological and human health risk-based remedial investigation of sediment and soil along a brackish-water bayou for a major petrochemical company under a State consent order. He obtained State concurrence on chemicals and receptors of concern and on specific locations to be addressed, thus limiting the study area and potential client liabilities. He was co-chair of the Navigation Dredging Work Group at the 1995 by-invitation-only Pellston Workshop on Sediment Ecological Risk Assessment sponsored by Society of Environmental Toxicology and Chemistry. Dr. Peddicord was an invited presenter and Work Group co-chair at the 1997 Corps of Engineers Workshop on Environmental Risk Assessment and Dredged Material Management: Issues and Applications. Dr. Peddicord incorporated risk assessment principles into the draft Upland Testing Manual developed for USACE.

Regulatory Activities - Dr. Peddicord wrote the technical document that served as basis for Chief of Engineers' policy letter on use of sediment quality guideline values by the Corps of Engineers. He developed technical comments for two major trade groups on EPA's proposed sediment quality criteria and Contaminated Sediment Management Strategy. From 1994 through 2003 he has been Scientific Advisor to the International Association of Ports and Harbors at the London Convention, the primary international treaty regulating ocean disposal of dredged material and other substances. While with the USACE, he served as a technical consultant to the Office, Chief of Engineers, on national and international regulation of dredged material. He was a major contributor to technical aspects of the dredged material regulations implementing Section 103 of the Marine Protection, Research and Sanctuaries Act, and to the dredged material testing requirements for implementing Section 404 of the Clean Water Act. He served for 10 years on the EPA/CE Technical Committee on Criteria for Discharge of Dredged and Fill Material.

Public Involvement - Dr. Peddicord was appointed to the National Academy of Sciences' National Research Council Marine Board Committee on Contaminated Marine Sediments. He has made presentations to the USACE Environmental Advisory Board, EPA's Science Advisory Board, the Marine Board of the National Academy of Sciences, and the Congressional Office of Technology Assessment. He was an invited participant in the 2001 National Academy of Sciences Workshop on Dredging Windows. He chaired four workshops on sediment bioassay implementation and evaluation for the Corps of Engineers. Dr. Peddicord was a US delegate to the 8th and 13th US/Japan Experts Meeting on Management of Bottom Sediments Containing Toxic Substances. He was also a delegate to the US/Netherlands Memorandum of Understanding on Dredging and Related Technology. He is a member of the Environmental Committee of the Western Dredging Association, a professional organization of North, Central and South America.

Support of Counsel - Dr. Peddicord has appeared as an expert witness on environmental impacts of contaminants before the House Committee on Resources, the House Committee on Merchant Marine and Fisheries three times, the House Committee on Science and Technology, and the House Committee on Public Works. He prepared affidavits based on his scientific expertise for three major national litigations concerning environmental issues. He provided expert testimony on environmental management of dredged material in New Zealand court proceedings. Dr. Peddicord provided technical support to counsel representing a dredging permit applicant in New York. In support of counsel on behalf of a confidential industrial client, Dr. Peddicord succeeded in refocusing a proposed sediment regulatory action into a much more environmentally sound and implementable approach.

Project Management - Dr. Peddicord managed a number of comprehensive sediment evaluation and remediation projects, many conducted under federal or state compliance orders, for major industrial clients. These projects involved fisheries, benthic and avian ecologists, environmental chemists, hydrologists, geologists, regulatory analysts, toxicologists and civil and environmental engineers in problem identification and assessment, ecological and human health risk assessments, evaluation of remedial alternatives, recommendations of solutions, and securing concurrence on the recommendation from state and federal regulatory officials. During his 10 years at the US Army Engineer Waterways Experiment Station, Dr. Peddicord played a key role in conceptualizing, developing and conducting both the 5-year $8.7 million joint EPA/CE Field Verification Program and the Long-term Effects of Dredging Operations Program, the USACE's major ongoing research program on environmental impacts of contaminated sediments, dredging and placement under various conditions. He also played a major role in the Dredging Operations Technical Support Program, designed to assist regulatory authorities in applying the findings of scientific research.


Dr. Peddicord is the author of over 60 national and international scientific papers, reports and presentations specifically dealing with environmental assessment and management of sediment and dredged material.


Peddicord, R. K. and J. S. LaKind. 2000. Ecological and human health risks at an outdoor firing range. Env. Tox. Chem. 19(10).

Peddicord, R. K. 1998. Risk-based evaluation of ocean placement of dredged material containing dioxin. Presented at 19th Annual Meeting of the Society of Environmental Toxicology and Chemistry. 15-19 November 1998. Charlotte, NC.

Peddicord, R.K. and C.R. Lee. 1998. Use of sediment quality guidelines (SQG) in dredged material management. Technical Note EEDP-04-29. May 1998. U.S. Army Engineer Waterways Experiment Station, Vicksburg, MS.

Peddicord, R.K. and T.M. Dillon. 1997. Environmental Aspects of Dredging, Guide 3: Investigation, Interpretation and Impact. Publ. by IADC/CEDA (International Association of Dredging Companies, The Hague, The Netherlands, and Central Dredging Association, Delft, The Netherlands). 67 pp.

Peddicord, R.K., et al. 1997. Navigation Dredging. Ch. 5 in Ecological Risk Assessment of Contaminated Sediments (C.G. Ingersoll, T. Dillon, G.R. Biddinger, eds.). SETAC Special Publ. Series. Society of Environmental Toxicology and Chemistry, Pensacola, FL.

Suedel, B., R.K. Peddicord and others. 1994. Trophic transfer and biomagnification potential of contaminants in aquatic ecosystems. Rev. Env. Contam. Toxicol. 136:21-89.

Peddicord, R.K. 1993. Managing ecological risks of contaminated sediments. In: Environmental Toxicology and Risk Assessment, ASTM 1179 (W. Landis, J. Hughes, M. Lewis, eds.). American Society for Testing and Materials, Philadelphia, PA.

Peddicord, R.K. (Technical Editor). 1991. Evaluation of Dredged Material Proposed for Ocean Disposal. EPA-503/8-91/001. U.S. Environmental Protection Agency/ U.S. Army Corps of Engineers. EPA Office of Water, Washington, D.C.

Lee, C. R., R.K. Peddicord and others. 1991. General decision-making framework for management of dredged material. Misc. Paper D-91-1. U.S. Army Engineer Waterways Experiment Station, USACE, Vicksburg, MS.

Lee, C.R. and R.K. Peddicord. 1988. Decision-making framework for management of dredged material disposal. In: Environmental Management of Solid Waste: Dredged Material and Mine Tailings (W. Salomons and V. Forstner, eds.). Springer-Verlag, Berlin, FRG.

Palermo, M.R., N.R. Francingues, C.R. Lee and R.K. Peddicord. 1986. Evaluation of dredged material disposal alternatives: Test protocols and contaminant control measures. In: Proceedings of WODCON XI, The Eleventh World Dredging Conference, Brighton, United Kingdom.

Francingues, N.R., M.R. Palermo, C.R. Lee and R.K. Peddicord. 1985. Management strategy for disposal of dredged material: Test protocols and contaminant control measures. Tech. Rept. D-85-1, U.S. Army Engineer Waterways Experiment Station, USACE, Vicksburg, MS.

Peddicord, R.K. 1980. Direct effects of suspended sediments on aquatic organisms. In: Contaminants and Sediments, Vol. 1 (R.A. Baker, ed.). Ann Arbor Science, Ann Arbor, MI.

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