Philip A. Clifford, Ph.D.

Ultimate Earth and G.O.L.D.E.N. Technologies, Chief Scientist

PERSONAL DATA:

EDUCATION:

Ph.D. 1989 Biology, Environmental Toxicology, minor in computer science: University of North Texas, Denton, Texas.

M.S. 1986 Biology, Ecology: North Texas State University, Denton, Texas.

B.S. 1980 Biology, minor in Chemistry: Virginia Polytechnic Institute and State University, Blacksburg Virginia.

PROFESSIONAL EXPERIENCE:

Nashville State Technical Community College – 2004. Adjunct professor teaching Anatomy and Physiology I.

University of Phoenix:

Director of Academic Affairs, Nashville Campus, January 2004 – present.

FlexNet® Program Chair, Nashville Campus, July 2003 – January 2004.

Chair, College of General and Professional Studies, Nashville Campus, January 2003 – August 2003.

Online Faculty – 2001 – present.

Acting Chair, College of Information, Science, and Technology, Nashville Campus, January 2003 – July 2003.

Area Chairman for the Sciences, Dallas Campus, 2001 – January 2003. Responsible for screening science faculty candidates, curriculum betterment, course module development and improvement, science faculty course approvals, new faculty mentoring and quality assurance.

Academic Counsel Dallas Campus, 2002 – January 2003. One of three faculty serving as liaison between 265+ practitioner faculty and the Administration

Lead Faculty, 2002 – present. Selected as preferred instructor for entry-level undergraduate courses and science courses.

Currently teaching or approved to teach: "skills for lifelong learning" (critical thinking), "introduction to the life sciences", "people, science and the environment", "environmental issues and ethics," "nutrition”, and graduate level introductory communications (research, critical thinking, time and stress management, oral and written presentation skills).

Private environmental consulting, 2000 - present. Quantitative ecological food-web modeling, environmental toxicology, risk assessment, project management, senior scientific review. Projects of interest include Markham Park (shooting range lead and antimony management), West Valley Nuclear Demonstration Project (Department of Energy [DOE] radioactive waste remediation - National Environmental Policy Act [NEPA] - Supplemental Environmental Impact Survey [SEIS]), International Paper Company (pond eutrophication management), U.S. Gypsum (dredging permit support), and others.

Senior Scientist and Project Manager, Dames & Moore (purchased by URS Corporation in 1999), Ecological Services Group, 1995 - 2000. Quantitative ecological food-web modeling, environmental toxicology, risk assessment, project management. Projects of interest include several Department of Defense [DOD] - Installation Restoration Program [IRP] Resource Conservation and Recovery Act [RCRA]) sites around the country, Missouri old and new lead-belt mine risk assessments (Comprehensive Environmental Recovery, Compensation and Liability Act [CERCLA]), CERCLA/RCRA brownfields sites on Lake Erie, and others.

Biology Instructor - General biology and botany lectures and laboratories - Southwestern Community College, Sylva, NC, 28779. 1995.

Senior Scientist and Project Manager - EA Engineering, Science, and Technology, Inc. Quantitative ecological food-web modeling, environmental toxicology, risk assessment, project management. Projects of interest include Rocky Mountain Arsenal (CERCLA/RCRA - pesticides and heavy metals), several sites on Lake Erie (CERCLA/RCRA - PCBs/metals/ organics), several Navy Base Realignment and Closure [BRAC] RCRA sites, several DOD - Installation Restoration Program [IRP] RCRA sites, numerous Clean Water Act [CWA] / National Pollution Discharge Elimination Act [NPDES] permitting projects, several fresh-water eutrophication control projects, and others.

Research Assistant - University of North Texas, Department of Biological Sciences, Water Research Field Station 1988-1990.

Research Assistant - University of North Texas, Division of Environmental Sciences, Department of Biological Sciences 1986-1989.

Teaching Fellow - University of North Texas, Department of Geography, Historical Geology lectures and laboratories, 1987-1988.

Teaching Assistant - North Texas State University, Department of Geography, Physical and Historical Geology 1985-1988.

Teaching Assistant - University of North Texas, Department of Biological Sciences, Statistical Analysis Systems (SAS) 1984-1987.

Research Assistant - North Texas State University, Department of Biological Sciences and Institute of Applied Sciences 1983-1986.

AWARDS:

SETAC (Battelle) Meritorious poster paper: Clifford, P.A. and J.H. Rodgers, Jr. 1989. Validation of a coupled herbicide fate and target plant species effects model. Presented to: the Society of Environmental Toxicology and Chemistry, 10th annual meeting, Toronto, Canada, October 30 - November 2.

Outstanding presentation to the annual meeting of the Society of Toxicology: Sielken, R.L., C. Valdez-Flores, P.A. Clifford, D.F. Ludwig, J.S. Klingensmith, M.I. Banton. 1993. A co-located distributions approach to estimating the bioaccumulation factor for ecological risk assessment. Risk Assessment Specialty Section.

COMPUTER SKILLS:

Windows7, Statistical Analysis Systems [SAS7], Word7, WordPerfect7, PowerPoint7, Presentations7, Excel7, Quattro7, Access7, Dbase7, Freelance7, Procomm7, multiple mainframe platforms, Local Area Networks [LANs] and many others. Have also developed numerous software solutions for ecological modeling, risk and hazard assessment, statistical analysis, data management, and data analysis support.

ORGANIZATIONS:

American Association for the Advancement of Science
Aquatic Plant Management Society
Society of Environmental Toxicology and Chemistry
Standard Methods Committee - Standard Methods for the
Examination of Water and Wastewater: American Public Health Association
Biological Dose Assessment Committee, U.S. Department of Energy, Office of Environmental Policy and Assistance, Air, Water and Radiation Division

PUBLISHED ABSTRACTS AND PRESENTATIONS:

Rodgers, J.H., Jr. and P.A. Clifford. 1984. Pat Mayse Lake, Texas, Aquatic Plant Management Program: Continuing Studies. Presented to: the U.S. Army Corps of Engineers 19th Annual Aquatic Plant Control and Research Meeting, Raleigh, NC, November 14-17.

Rodgers, J.H., Jr., P.A. Clifford, K.H. Reinert, and M.L. Hinman. 1985. Management of Myriophyllum spicatum using Endothall: The Pat Mayse Lake Experience. Presented to: the 25th Annual Meeting of the Aquatic Plant Management Society. Vancouver, British Columbia, Canada.

Clifford, P.A. and J.H. Rodgers, Jr. 1985. Methods for Estimating Sedimentation Rates in Reservoirs. Presented to: the 12th Annual Great Plains Limnology Conference, Fayetteville, AR, October 25-26.

Clifford, P.A. and J.H. Rodgers, Jr. 1986. Regrowth of Myriophyllum spicatum L. Harvested to Several Depths in a Texas Reservoir. Presented to: the 12th Annual Aquatic Plant Management Society Meeting in Sarasota, FL, July 13-16.

Rodgers, J.H., Jr., and P.A. Clifford. 1987. A Coupled Herbicide Fate and Target Plant Species Effects Model. Presented to: the 22nd Annual Meeting of the Aquatic Plant Control Research Program of the U.S. Army Corps of Engineers, Portland, OR, November 16-19.

Clifford, P.A. and J.H. Rodgers, Jr. 1987. Application and Validation of the COE-WES HARVEST Model in Pat Mayse Lake, Texas. Presented to: the 27th Annual Meeting of the Aquatic Plant Management Society, Savannah, GA, July 12-15.

Clifford, P.A. and J.H. Rodgers, Jr. 1988. Herbicide Fate, Target Plant Species Effects, and Population Response Computer Simulations: an Integrated Approach. Presented to: the Aquatic Plant Management Society, 28th annual meeting, New Orleans, LA, July 10-13.

Rodgers, J.H., Jr., and P.A. Clifford. 1988. Further Development of Coupled Herbicide Fate and Target Plant Species Effects Model. Presented to: the 23nd Annual Meeting of the Aquatic Plant Control Research Program of the U.S. Army Corps of Engineers, West Palm Beach, FL, November 14-16.

Clifford, P.A. and J.H. Rodgers, Jr. 1988. Modeling exposure route, tissue concentrations, and effects of 2,4-D (DMA) on Waterhyacinth (Eichhornia crassipes). Presented to: the Society of Environmental Toxicology and Chemistry, 9th annual meeting, Arlington, VA, November 13-17.

Clifford, P.A. and J.H. Rodgers, Jr. 1989. Modeling exposure route, tissue concentrations, and effects of 2,4-D on Eichhornia crassipes. Presented to: the Aquatic Plant Management Society, 29th annual meeting, Scottsdale, AZ, July 16-19.

Clifford, P.A. and J.H. Rodgers, Jr. 1989. Validation of a coupled herbicide fate and target plant species effects model. Presented to: the Society of Environmental Toxicology and Chemistry, 10th annual meeting, Toronto, Canada, October 30 - November 2.

Clifford, P.A. 1989. Validation of HERBICIDE Version 1.0. Presented to: the U.S. Army Corps of Engineers Aquatic Plant Control Research Program, 24th annual meeting, Huntsville, AL, November 13-16.

Clifford, P.A. and J.H. Rodgers, Jr. 1990. Integration of simulation models for development of expert systems for water resource management decision support. Invited paper: Society of Environmental Toxicology and Chemistry, 11th annual meeting, Washington, D.C.

Clifford, P.A., J.H. Rodgers, Jr., and R.M Stewart. 1990. Chemical control simulations: expansion of HERBICIDE, the aquatic herbicide fate and effects model. Presented to: the U.S. Army Corps of Engineers Aquatic Plant Control Research Program, 25th annual meeting, Orlando, FL.

Ludwig, D.F. and P. A. Clifford. 1991. Bioavailability and ecotoxicology modeling. Presented to: the Hazardous Materials Management Conference/International, 9th annual meeting, Atlantic City, New Jersey, June 12B14.

Clifford, P.A., D.F. Ludwig, and C. Pace. 1991. Temporal changes in bioavailability of pesticides in soils. Presented to: the Society of Environmental Toxicology and Chemistry, 12th annual meeting, Seattle, Washington.

Clifford, P.A. 1991. Simulation technology: WES HERBICIDE model - status and application. Presented to: the U.S. Army Corps of Engineers Aquatic Plant Control Research Program, 26th annual meeting, Dallas, Texas.

Clifford, P.A., D.A. Hinckley, and D.F. Ludwig. 1992. Objective ranking of concerns and alternatives using the paired comparison technique. Presented to: the Society of Environmental Toxicology and Chemistry, 13th annual meeting, Cincinnati, Ohio.

Clifford, P.A., D.E. Barchers, D.F. Ludwig, R.L. Sielken, J.S. Klingensmith, R.V. Graham, and M.I. Banton. 1993. Application of geographic information systems (GIS) to ecological risk management decision support. Presented to: the Society of Environmental Toxicology and Chemistry, 14th annual meeting, Houston, Texas.

Ludwig, D.F., P.A. Clifford, and D.A. Hinckley. 1993. Probabilities of impact protection: the big picture. Presented to: the Society of Environmental Toxicology and Chemistry, 14th annual meeting, Houston, Texas.

Ludwig, D.F. and P.A. Clifford. 1993. Impact of assessment components on remediation: the case for rational choices. Presented to: the Society of Environmental Toxicology and Chemistry, 14th annual meeting, Houston, Texas.

Sielken, R.L., C. Valdez-Flores, P.A. Clifford, D.F. Ludwig, J.S. Klingensmith, M.I. Banton. 1993. A co-located distributions approach for estimating the bioaccumulation factor for ecological risk assessment. Presented to: Society of Toxicology, 1993 annual meeting, New Orleans, Louisiana.

Clifford, P.A., and D.F. Ludwig. 1994. Quantifying spatial components of ecological exposure for ecological risk assessment at Rocky Mountain Arsenal. Invited paper: Society of Environmental Toxicology and Chemistry, 15th annual meeting, Denver, Colorado.

Suedel, B.C., P.A. Clifford, and D.F. Ludwig. 1995. Calculating LOAEL/NOAEL uncertainty factors for wildlife species in ecological risk assessments. Presented to: the Society of Environmental Toxicology and Chemistry, 16th annual meeting, Vancouver, Canada.

Clifford, P.A., and M. McGarry. 1999. West Valley New York Nuclear Demonstration Project Biota Dose Assessment. Presented to: Biota Dose Assessment Committee, U.S. Department of Energy, 1st annual meeting, August 18-20, Washington, D.C.

PUBLICATIONS:

Clifford, P.A. 1986. Aquatic Vegetation, Nutrient Budgets and Sedimentation in a Southwestern Reservoir. M.S. Thesis. Biology Department, North Texas State University, 228 pp.

Rodgers, J.H., Jr. and P.A. Clifford. 1987. Operational Decision Support Manual. Prepared for the Tulsa District U.S. Army Corps of Engineers. North Texas State University, Department of Biological Sciences, Denton, Texas. 69 p.

Rodgers, J.H., Jr., and P.A. Clifford. 1987. A Coupled Herbicide Fate and Target Plant Species Effects Model. In: Proceedings, 22nd Annual Meeting, Aquatic Plant Control Research Program. U.S. Army Engineer Waterways Experiment Station, Vicksburg, Mississippi.

Clifford, P.A., J.H. Rodgers, Jr., R.M. Stewart, and H.W. West. 1988. Further Development of Coupled Herbicide Fate and Target Plant Species Effects Model. In: Proceedings, 23rd Annual Meeting, Aquatic Plant Control Research Program, 14-17 Nov. 1988. Misc. Paper A-89-1. U.S. Army Engineer Waterways Experiment Station, Vicksburg, MS. pp. 274-282.

Clifford, P.A., J.H. Rodgers, Jr., and R.M Stewart. 1989. Validation of HERBICIDE Version 2.0. In: Proceedings, 24th Annual Meeting, Aquatic Plant Control Research Program. U.S. Army Engineer Waterways Experiment Station, Vicksburg, Mississippi.

Clifford, P.A. 1989. Validation of a coupled herbicide fate and target plant species effects model. Doctoral dissertation, University of North Texas, 195 pp.

Clifford, P.A., J.H. Rodgers, Jr., and R.M Stewart. 1990. Chemical control simulations: expansion of HERBICIDE, the aquatic herbicide fate and effects model. In: Proceedings, 25th Annual Meeting, Aquatic Plant Control Research Program. U.S. Army Engineer Waterways Experiment Station, Vicksburg, Mississippi.

Ludwig, D.F. and P.A. Clifford. 1991. Bioavailability and ecotoxicology modeling, In: Proceedings of the Ninth Annual Hazardous Materials Management Conference.

Suedel, B.C, J.H. Rodgers, Jr., and P.A. Clifford. 1993. Bioavailability of fluoranthene in freshwater sediment toxicity tests. Env. Tox. and Chem., 12:155 165.

Suedel, B.C., J.A. Boraczek, R.K. Peddicord, P.A. Clifford, and T.M. Dillon. 1994. Trophic transfer and biomagnification potential of contaminants in aquatic ecosystems. Rev. Env. Contam. and Tox., 136:21-89.

Clifford, P.A., D.E. Barchers, D.F. Ludwig, R.L. Sielken, J.S. Klingensmith, R.V. Graham, and M.I. Banton. 1995. An approach to quantifying spatial components of exposure for ecological risk assessment. Env. Tox. and Chem., 14(5):895-906.

Suedel, B.C., E.A. McKenna, L.G. Williams, U. Vedagiri, P.A. Clifford, and D.F. Ludwig. 1995. Comparability of human and ecological risk assessments. Human and Ecological Risk Assessment, 1(5):478-481.

Banton, M.I., J.S. Klingensmith, D.E. Barchers, P.A. Clifford, D.F. Ludwig, A.M. Macrander, R.L. Sielken, and C. Valdez-Flores. 1996. An approach for estimating ecological risks from organochlorine pesticides to terrestrial organisms at Rocky Mountain Arsenal. Human and Eco. Risk Assmt. 2(3):499-526.

Clifford, P.A., S.F. Atkinson, D.A. Hinckley, B.C. Suedel, D.F. Ludwig, and T.M. Dillon. 1998. Selection of contaminants and receptors of concern for ecological risk assessments using the paired comparison technique (PCT). Human and Eco. Risk Assmt 4(5):1189-1215.

Clifford, P.A. and D.A. Hinckley. 2003. The "Reservation Effect": Implications for Background Comparisons. J. Human and Ecological Risk Assessment, 9: 1639-1643.