Jeffrey A. Johnson, Ph.D, P.G.

Education and Professional Development

Ph.D., Geology, University of California, Berkeley
M.S., Geology, University of California, Berkeley
B.S., Geology, Texas Christian University
Occupational Safety and Health Administration (OSHA) 40-Hour Hazardous Waste Operations and Emergency Response Training
OSHA 8-Hour Hazardous Materials Refresher course
OSHA Health and Safety Training for Supervisors of Hazardous Waste Workers
Wellhead Protection and the Wellhead Analytical Element Model
Surface Water Modeling - TR-55

Registrations and Professional Affiliations

West Virginia Licensed Remediation Specialist #59 (1997 to 2005)
American Institute of Professional Geologists Certified Professional Geologist #9013
Arkansas Registered Professional Geologist #1747
South Carolina Registered Professional Geologist #2188
Association of Groundwater Scientists and Engineers
Completed Association of State Boards of Geologists Professional Geology Examinations

Summary of Professional Experience

Dr. Johnson has over 25 years of professional experience in natural resource assessment, site characterization, remedial operations, and technical analyses. He has worked on various projects throughout North America for major petroleum corporations, legal firms, manufacturing companies, and the United States Environmental Protection Agency (EPA). Dr. Johnson has extensive technical skills in contaminant transport and fate of hydrocarbons and chlorinated solvents and is experienced in metals sorption and migration. For the past 10 years, he has worked extensively in the characterization and remediation of light nonaqueous phase liquid (LNAPL) and dense nonaqueous phase liquid sites. He is experienced in computer applications including analytical and numerical models, Geographic Information Systems (GIS), and visual imagery. He has supported numerous technical organizations, committees, and groups including the American Petroleum Institute (API), American Society for Testing and Materials (ASTM), and Remediation Technologies Development Forum. He holds a Ph.D. in Geology from the University of California, Berkeley and is a Certified and Registered Professional Geologist. His areas of technical specialization include:

Asbestos identification using Polarized Light Microscopy
Evaluation of asbestos-containing materials
Environmental assessment for asbestos
Air monitoring

Representative Experience

Asbestos

Dr. Johnson conducted and/or managed over 120 Phase I and Phase II Environmental Site Assessments at a wide variety of facilities throughout the United States involving the presence of regulated substances and hazardous materials.
Dr. Johnson performed site assessments for asbestos-containing materials for numerous private and public facilities including major retail outlets, industrial facilities, Kansas City Airport, and residential homes.
Dr. Johnson used Polarized Light and Phase Contrast Microscopy to analyze over 10,000 samples for asbestos from hundreds of public and private facilities. Identification estimated percent asbestos and delineation of the type of asbestos.
Dr. Johnson conducted oversight and air monitoring for numerous asbestos abatement projects. He ensured proper containment and that health and safety procedures were properly followed.
Dr. Johnson performed air monitoring for asbestos at various public and private facilities. He used phase contrast microscopy to determine the airborne concentration of asbestos.
Dr. Johnson managed Asbestos Services and the Air Quality Laboratory for ERG Consultants, Inc., a former Midwest risk assessment/industrial hygiene firm.

Litigation

Dr. Johnson provided technical analyses in the litigation Public Service Company of Colorado d/b/a Excel Energy v. Schrader Oil Company, Schrader Land Company LLLP, and Wayne K. Schrader. He participated in pre-trial settlement discussions. Technical issues involved impacts of co-mingling petroleum hydrocarbon and coal tar plumes.
Dr. Johnson provided technical assessment of methyl tertiary butyl ether (MTBE) contaminant transport to the Appraisal's Panel on Persistence of Contaminants in the litigation City of Santa Monica v. Baron & Budd, P.C. et al. Los Angeles Superior Court Case No. BC 315186. Opinions were provided as an oral presentation and written submittals. Technical issues were related to the concentration levels and duration of MTBE concentrations at the Charnock Well Field in the City of Santa Monica.
Dr. Johnson testified in court and provided written report in the litigation Schleicher Land Co. et al., Deb Knudsen et al., City of Mandan, v. The Burlington Northern and Sante Fe Railway Company ( North Dakota ). He provided opinions on the source and migration of LNAPL occurring beneath the City of Mandan, North Dakota. He used visual imagery and physical models in court before a jury. His testimony provided support for a favorable judgment.
Dr. Johnson provided a written report in the litigation North Dakota Department of Health et al. v. The Burlington Northern and Sante Fe Railway Company ( North Dakota ). His report documented multiple sources and LNAPL movement beneath the City of Mandan, North Dakota. The technical analysis provided support for a favorable settlement.
Dr. Johnson provided a written report in the litigation of LCOR Thomas Circle LLC v. Town Terrace Condominium Homeowners Association ( District of Columbia ). The case involved determining the source of contamination impacting construction activities. The opinions provided a basis for a favorable settlement.
Dr. Johnson provided technical analyses in the dispute REHAU, Inc. v. Viacom Inc. et al. The case involved determining the source and timing of releases of dichloroethane from a former research facility. The technical analysis provided support for a favorable settlement.
Dr. Johnson provided opinions as an expert witness on the source of petroleum hydrocarbon contamination that impacted construction activities at an urban site. The opinions were documented in a written report, submitted, and provided a basis for a favorable settlement.
Dr. Johnson provided opinions as an expert witness on the source and migration of dissolved dichloroethane in ground water within a fractured bedrock and saprolitic aquifer. His opinions were provided to counsel in draft documents. The case was settled.
Dr. Johnson provided expert opinions in the litigation of CITGO Petroleum v. Atofina Chemicals, Inc (Case No. 02-CV-0131 C (N.D. Okla.). The case involved evaluating the effectiveness of a remedial agent to enhance biodegradation. The case was settled.
Dr. Johnson was the lead technical reviewer of a $75 million dollar litigation case against a major petroleum retailer. Modeling and visualization were used to characterize NAPL and dissolved movement in a complex fractured setting. The results of the analysis provided the technical basis for assessing liability.
Dr. Johnson provided opinions in depositions as an expert witness in the litigation of Jerry & Sons, Inc. v. Getty Petroleum Corp., Amerada Hess Corp., Lombardo Equipment Company, P&R Maintenance Company, et al., and Amerada Hess Corporation v. Jerry Cantalupo et al. in the Superior Court of New Jersey. The case involved evaluating the source and timing of MTBE and hydrocarbon contamination from petroleum releases.
Dr. Johnson provided expert opinions in the case of Phillips Properties, Inc. v. United States Fidelity and Guaranty Company for a Texas site. The opinions pertained to the date in which hydrocarbon contamination was documented at two sites.
Dr. Johnson provided expert opinions on the timing of ground water impacts from chlorinated solvent releases at a Washington landfill. The opinions were based on technical analyses involving transport and fate modeling.
Dr. Johnson directed analyses on behalf of a legal client to evaluate the source and timing of releases in the case of Exxon Corporation, et al., v Insurance Company of North America, et al. The analyses involved the assessment of hydrogeologic conditions and contamination at over 30 sites in the United States and Canada.
Dr. Johnson directed analyses on behalf of a client to evaluate the source and timing of petroleum hydrocarbon releases in West Virginia DEP v. Spangler Oil Company. The analyses involved assessment of hydrocarbon composition, development of three-dimensional visualization, and computer modeling.
Dr. Johnson directed analyses on behalf of a client to evaluate the probable source of ground water contamination for the case Martin v. Diamont Boart America. The analyses involved assessment of contamination and ground water flow and contaminant transport modeling

Programs Directed

Dr. Johnson conducted and managed over 100 Environmental Site Assessments throughout the United States involving the presence of regulated substances and hazardous materials. Assessments involved hydrocarbon, chlorinated solvent, metals, and asbestos materials.
Dr. Johnson directed or managed almost 100 modeling projects and risk assessments at various sites across the country. Modeling efforts involved ground water flow and transport studies, particle tracking analyses, capture zone assessments, and forensic investigations. Risk assessments entailed defining exposure pathways and calculating risk levels for carcinogenic and non-carcinogenic contaminants.
Dr. Johnson initiated the development of the Environmental Logistics program for the RETEC Group. Program goals focused on incorporating computer technology to facilitate characterization and remediation projects.
Dr. Johnson organized and developed various operations within the environmental field including: the ground water modeling support program for the EPA Center for Subsurface Modeling Support (CSMoS), which involved ground water modeling, GIS, database, and technical document preparation services; a ground water model distribution program; a remedial operations program for a leading environmental firm in Hawaii; and an air quality laboratory for a Midwest risk assessment/industrial hygiene firm.
Dr. Johnson directed numerous programs related to a variety of environmental areas for several firms. The programs included CSMoS, UEC Remedial Operations, SES Hydrogeological Services, SES Hydrogeological Laboratory, and ERG Asbestos Laboratory.

Panels and Committees

Workshop Director: Environmental Logistics - 2005 Integrated Petroleum Environmental Consortium (IPEC) Conference
Chair: Remediation of Hydrocarbons - 2005 IPEC Conference
Instructor: Evaluation of Free Product Mobility and Recoverability, 2002 Petroleum Hydrocarbons and Organic Chemicals in Ground Water - Annual Conference
Panel Member: "Modeling Where Is It Going?" National Ground Water Association (NGWA) Annual Meeting, 1996
Panel Member: "Technical Feasibility of Biodegradation," Dept. of Environmental Quality, State of New Mexico, 1995
Panel Member: Third Strategic Technology Exchange Workshop, EPA, Valley Forge, Pennsylvania, 1994
Session Chair: "Computer Modeling in Hazardous Waste Management," American Chemical Society Special Symposium in Hazardous Waste Management V (1993) and VI (1994)
Panel Member: Data Management at Hazardous Waste Sites, EPA and United States Air Force, Denver, Colorado, 1992
Conservation Commission, Marlboro, Massachusetts, 1990 to 1991

Publications and Presentations

Atkin, B. and J. A. Johnson. 1988. The Earth: Problems and Perspectives. Blackwell Scientific Publications: Oxford. 428 p.

Dean, W.T., J. A. Johnson, W.J. Seaton, B.J. Faga, and J.M. Fenstermacher. 1997. "Use of Computer Modeling to Aid in Hydraulic Barrier Design." Proc. Int. Containment and Tech. Conf. and Exhibition. St. Petersburg, FL.

Giacinto, J. F., J. A. Johnson, J. W. Bodamer, and L. D. Norman. 1999. "Improving Public Awareness Through Multimedia Reports: A Brownfield Case Study." Proc. In Environment Virginia 1999 Conference on Environmental Sustainability.

Hall, C. and J. A. Johnson. 1992. "Limiting Factors in Ground Water Remediation." Journal of Hazardous Materials. 215-223.

Higinbotham, J., M. A. Parcher, J. A. Johnson. 2003. " The Importance of Understanding Inherent LNAPL Mobility in Characterizing and Remediating Sites." Proc. Conference on Petroleum Hydrocarbons and Organic Chemicals in Ground Water: Prevention, Detection, and Remediation, Costa Mesa, CA API/NGWA.

Hutchins, S. R., D. H. Kampbell, M. L. Cook, F. M. Pfeffer, R. L. Cosby, J. T., Wilson, B. Newell, J. A. Johnson, V. Ravi, and J. K. Rumery. 1993. "Combining Treatability Studies and Site Characterization for Rational Design of In Situ Bioremediation Using Nitrate as an Electron Acceptor (abstract)." Symposium on Bioremediation of Hazardous Wastes: Research, Development, and Field Evaluations, EPA/600/R-93/054, 1993.

Johnson, J. A. 2005. LNAPL "Management: Moving Toward Site Specific Clean-Up Goals." Proc. 12 th International Petroleum Environmental Conference. IPEC: Houston, TX.

Johnson, J. A. 1995. "Modeling - Where Is It Going?" Waste Business Magazine, Sept.-Oct., pp. 34-38.

Johnson, J. A. 1989 and 1990. "The Environment and You." Minuteman Chronicle, Acton, Massachusetts, 1989-90.

Johnson, J. A. 1992. "Environmental Column." Ada Evening New., Ada, Oklahoma.

Johnson, J. A., VADFLO, The Vadose Zone Flow Database, USEPA, R.S. Kerr Environmental Research Laboratory, 1994.

Johnson, J. A. 1994. "The Influence of Soil Properties on the Transport of an Organic Contaminant." Proceedings in Federal Hazardous Materials and Waste Minimization Conference, New Orleans.

Johnson, J. A. 1994. "A Review of Commonly Available Models Applicable with Subsurface Remedial Activities." (abstract) in Proc. in Emerging Technologies for Hazardous Waste Management Special Symposium VI. American Chemical Society.

Johnson, J. A. 1988. The Sedimentology, Paleohydrology, and Paleoecology of the Brushy Basin Member, Morrison Formation in the Henry Mountain Basic, Wayne and Garfield Counties. Utah, Ph.D. thesis, University of California, Berkeley.

Johnson, J. A. and J. Breyer. 1981. "Multiple-generation Secondary Clay in Pyroclastic Sandstone from the Miocene of the Northern High Plains." (abstract) Geological Society of America, Rocky Mountain Section.

Johnson, J. A., Brubaker, G. R., and D. J. Weimer. 2004. "Characterizing LNAPL in Saprolite." Proc. Conference on Petroleum Hydrocarbons and Organic Chemicals in Ground Water: Prevention, Detection, and Remediation. Baltimore, MD API/NGWA.

Johnson, J. A. and S. B. Lee. 1994. The Pathline Counting Method: A Field Comparison with the Numerical Transport Model MT3D. Proc. in 1994 Ground Water Modeling Conference, Denver, CO.

Johnson, J. A. and S. A. Lee. 1994. "A Mass Balance Model and Characterization Study for Nitrate Contaminated Groundwater." Proc. Special Symposium. American Chemical Society.

Ling, M., J. Johnson, and X. Lin. 2007. “Contamination Distribution and Mass Estimate via Kriging: Pitfalls and Lessons.” Proceedings of the 2007 Petroleum Hydrocarbons and Organic Chemicals in Ground Water: Prevention, Assessment, and Remediation Conference, November 5-6, 2007, Houston, TX, 12 pages.

Johnson, J. A. and M. Ling. 2005. "Applying Visual Technology to Document Multiple Release Locations and Migration Pathways of NAPL." Proc. NGWA 2005 Environmental Law Conference. NGWA, Baltimore, MD.

Johnson, J. A. and M. Ling. 2005. "Evaluating the Reliability LNAPL Thickness Measurements and the Conditions that Produce Non-Representative Values." Proc. Conference on Petroleum Hydrocarbons and Organic Chemicals in Ground Water: Prevention, Detection, and Remediation, Costa Mesa, CA API/NGWA.

Johnson, J. A. and M. Ling. 2005. "Visual Imagery Technology: A Valuable Tool in Evaluating and Communicating Physical Interrelationships in Hydrogeology." Proc. 2005 Annual Meeting, American Institute of Professional Geologists, Lexington, KY.

Johnson, J. A., M. Ling, L. Engel. 2004. "New Approaches in Data Visualization and Management." Proc. Southeast AWMA Conference.

Johnson, J. A., M. Ling, J. McDonough, K. Geiser. 2005. "Computer Visual Imagery Technology: A Powerful Tool in Site Investigation, Characterization, and Legal Support." 2005 Railroad Environmental Conference, RREC, Champaign-Urbana, IL.

Johnson, J. A. and T. J. Maldonato. 2005. "Are LNAPL Thickness Measurements Reliable?" Proc. 2005 Environmental Conference. National Petrochemical and Refining Association, Dallas, TX.

Johnson, J. A., M. Ling, and T. J. Maldonato. 2004. "Application of Computer Visual Technology to Improve Site Characterization and Remediation." Proc. 2004 Environmental Conference. National Petrochemical and Refining Association, San Antonio, TX.

Johnson, J. A. and A. L. O'Brien. 1999. "Perspectives on the Influence of Altering Surface Cover Conditions on Underlying Groundwater Systems." Proc. Hydrologic Issues for the 21 st Century: Ecology, Environment, and Human Health, American Institute of Hydrology and the Fourth USA/CIS Joint Conference.

Johnson, J. A., Parcher, M. A., Dowey, U. and L. Young. 2001. " Factors Effecting Oil-Water Mass Transfer: A Field Study." Proc. Conference on Petroleum Hydrocarbons and Organic Chemicals in Ground Water: Prevention, Detection, and Remediation, Houston, TX API/NGWA.

Johnson, J. A. and M. A. Parcher. 2000. "NAPL Dissolution: Implications for Understanding Biodegradation." Proc. Conference on Petroleum Hydrocarbons and Organic Chemicals in Ground Water: Prevention, Detection, and Remediation, Anaheim, CA API/NGWA.

Johnson, J. A. and M. A. Parcher, J. C. Parker, and W. J. Seaton. 1996. "VOC Vapor Transport: Implications for Risk Assessment." Proc. Conference on Petroleum Hydrocarbons and Organic Chemicals in Ground Water: Prevention, Detection, and Remediation, Houston, TX, API/NGWA.

Johnson, J. A. and J. C. Parker. 1999. "Cost Minimization Strategies for Site Characterization and Remediation Using Design Penalty Cost." Proc. Conference on Petroleum Hydrocarbons and Organic Chemicals in Ground Water: Prevention, Detection, and Remediation, Houston, TX, API/NGWA.

Johnson, J. A., M.W. Malander, and M. A. Parcher. 2002. Defining NAPL Recoverability, Proc. Conference on Petroleum Hydrocarbons and Organic Chemicals in Ground Water: Prevention, Detection, and Remediation, Atlanta, GA API/NGWA.

Johnson, J. A., Pouvereau, R., Dowey, U., and M. A. Parcher. 2001. " The Importance of Evaluating Soil Moisture and Capillary Pressure Conditions in the Characterization and Assessment of Free Product." Proc. Conference on Petroleum Hydrocarbons and Organic Chemicals in Ground Water: Prevention, Detection, and Remediation, Houston, TX API/NGWA.

Johnson, J. A. and M. Schreiber. 2003. " Characterizing the Transport of Dissolved Arsenic Associated with Petroleum-Impacted Aquifers." Proc. Conference on Petroleum Hydrocarbons and Organic Chemicals in Ground Water: Prevention, Detection, and Remediation, Costa Mesa, CA API/NGWA.

Johnson, J. A. and M. Schreiber. 2004. "Arsenic: Perspectives Regarding a New Environmental Concern." The Professional Geologist, July/August,.

Johnson, J. A. and V. Ravi. 1993. "Computer Modeling to Evaluate Impacts from Development on Groundwater Resources: An Illustrative Scenario." (abstract), Oklahoma 's Water and Sustainable Development Conference.

Johnson, J. A., V. Ravi, and K.J. Rumery. 1994. "Estimation of Solute Concentrations Using the Pathline Counting Method: Comparison and Field Studies." Ground Water.

Johnson, J. A. and J.W. Weaver. 2004. "Uncertainty in the application of Literature-Based Soil Capillary Property Parameters for LNAPL Analyses." Proc. Conference on Petroleum Hydrocarbons and Organic Chemicals in Ground Water: Prevention, Detection, and Remediation, Baltimore, MD API/NGWA.

Johnson, J. A., and D. J. Weimer. 1996. "Verification of a Groundwater Flow Model Using Recovery Data and Infiltration Test." Subsurface Fluid-Flow (Ground-Water and Vadose Zone) Modeling, ASTM STP 1288, Joseph D. Ritchey and James O. Rumbaugh, Eds., American Society for Testing and Materials, Philadelphia.

Lee, S. B. and J. A. Johnson. 1994. "A Mass-Balance Model and Characterization Study for Nitrate Contaminated Groundwater." Proc. in Emerging Technologies for Hazardous Waste Management Special Symposium VI, American Chemical Society.

Ling, M. and J.A. Johnson. 2005. "Improved Hydrocarbon Contamination Assessment and Conceptualization Using Visual Imagery Technology and LIF Data." Proc. 12 th International Petroleum Environmental Conference, IPEC, Houston, TX, 2005.

O'Brien, A. L. and J. A. Johnson. 1999. "Groundwater - Surface Water Interactions Wetlands and Land Use Changes." Proc. Hydrologic Issues for the 21 st Century: Ecology, Environment, and Human Health. American Institute of Hydrology and the Fourth USA/CIS Joint Conference.

Parcher, M. A., J. A. Johnson, and J. C. Parker. 1995. "Effects of Soil Type on Hydrocarbon Recovery Under Fluctuating Water Table Conditions." Proc. Conference on Petroleum Hydrocarbons and Organic Chemicals in Ground Water: Prevention, Detection, and Remediation, Houston, TX, API/NGWA.

Parcher, M. A., J. A. Johnson, and U. Dowey. 2001. " Impacts of Site Demolition and Tank Removal: A Case Study." Proc. Conference on Petroleum Hydrocarbons and Organic Chemicals in Ground Water: Prevention, Detection, and Remediation, Houston, TX API/NGWA.

Parcher, M. A. and J. A. Johnson. 1998. "Modeling to Assess Remedial Options." After the Rain has Fallen - Ground Water Management Symposium Proceedings, ASCE, ed. J. W. Smith, pp 87-92.

Ravi, Varadhan and J. A. Johnson. 1992. "Use of Mathematical Models as Regulatory and Management Decision Making Tools: Illustrative Problems." (abstract) in Emerging Technologies for Hazardous Waste Management Special Symposium IV, American Chemical Society p. 494.

Ravi, Varadhan and J. A. Johnson. 1993. PESTAN, The Pesticide Analytical Model, version 4.0, USEPA, Robert S. Kerr Environmental Research Laboratory.

Ravi, Varadhan and J. A. Johnson. 1993. VLEACH, The Vadose Zone Leaching Model, version 2.0, USEPA, Robert S. Kerr Environmental Research Laboratory.

Ravi, Varadhan, J. Chen, J. T. Wilson, J. A. Johnson, W. Gierke, and L. Murdie. 1998. "Evaluation of Natural Attenuation of Benzene and Dichloroethanes at the KL Landfill." Bioremediation Journal 2 (3&4): pp 239-258.

Weaver, J.W. and J. A. Johnson. 1993. "Modeling for Assessment and Remediation of Hydrocarbon Spills." Proceedings 1993 GASReP Conference on Groundwater and Soil Remediation, Quebec City, Canada (in press).

Weaver, J.W., J. A. Johnson, V. Ravi, B. Lien. 1993. "Evaluating Parameter Estimation Techniques Applied in Vadose Zone Modeling." Proceedings 1993 Ground Water Modeling Conference, pp. 1-115 - 1-126.

Honors and Awards

Phi Beta Kappa
Sigma Xi
Outstanding Teacher Assistant, University of California, Berkeley
Outstanding Senior in Science
Outstanding Senior in Geology