Environment (General) Expert Witnesses: 22

Ted W. Simon, PhD, DABT, is an award winning Environmental Toxicologist and Scientist. His expertise is in toxicology, risk assessment, mathematical modeling, statistics, neuroscience, and environmental / ecological health issues.

Dr. Simon has over 10 years of experience as a toxicologist employed by the Environmental Protection Agency (EPA). He served as EPA’s senior toxicologist in the waste management division working on risk and soil cleanup.

Teaching Experience - Since 2001, Dr. Simon has served as an Instructor / Adjunct Professor in the Department of Environmental Health Science, College of Public Health, at the University of Georgia.

Public Speaker - Well published, including the author of a textbook on toxicology and environmental risk assessment, Dr. Simon has extensive national and international public speaking experience. Since 1996, he has been delivering seminars and lectures to universities and national institutes on many subjects within his area of expertise. In 2016, he delivered a lectures on “Bayesian Methods for Application of Uncertainty Factors,” to the Society of Toxicology Annual Meeting, New Orleans, LA, and “Quantitative Prediction of Phenotypic Change from High Throughput Assay Results,” to the EPA's Workshop on In Vitro to In Vivo Extrapolation, Research Triangle Park, NC.

Litigation Support - Dr. Simon has over 15 years of experience offering expert witness services to counsel representing both plaintiff and defendant. He has been retained over 20 times since 2000 for cases involving environmental risk, drug and alcohol cases, DUI, accidental poisoning, and intellectual property. Dr. Simon has particular expertise in dioxin-like chemicals and polychlorinated biphenyls (PCBs). His services include consulting, reports, deposition, and trial testimony when necessary.

Areas of Expertise:

Dioxins PCBs Drugs Alcohol Poisoning DUI / DWI Water Contamination Soil Contamination Environmental Risk Assessment

Environmental Toxicology Carcinogenicity Food Contamination Pesticides Fracking Lead Marijuana Polychlorinated Biphenyls Intellectual Property

John Booth, the Principal Consultant and Practice Director of Sylvanus Arboricultural Consultants Ltd., is a Chartered Aboricuturalist and Chartered Environmentalist and one of the UK’s most widely qualified Arboricultural Consultants. He has over 25 years experience in both the private and public sectors and has written numerous articles and papers for respected publications including the International Journal of Urban Forestry for which he is also a referee.

Mr. Booth and Sylvanus Ltd. are regularly instructed by both developers and Local Planning Authorities (LPA’s) who are keen to ensure a satisfactory outcome from the planning process, (i.e. an appropriate balance between tree retention and realizing a site's development potential). All such work is carried out in accordance with the guiding principles of British Standard 5837 ‘Trees in Relation to Construction – Recommendations.’ 

Mr. Booth is a Bond Solon/Cardiff University trained Expert Witness and a member of the Expert Witness Institute. He has many years of experience in both courtroom and planning enquiries. Services Include:

• Tree Inspection & Survey - Single Tree, Large Population, Mortgage Lending, Safety and Subsidence Issues
• Tree Preservation Orders (TPO's) and Conservation Areas - Detailed Specifications for Tree Work Applications for Trees with Statutory Protection
• Trees and Development - Tree Surveys for Submission with Planning Applications, Tree Constraints Plans (TCP’s), Tree Protection Plans (TPP’s), Arboricultural Impact Assessments (AIA), Arboricultural Method Statements (AMS)

Professor Christopher J. Tennant, PhD, CIH, has over 40 years of experience in the field of Environmental Health and Industrial Hygiene. He is Board Certified in the Comprehensive Practice of Industrial Hygiene. Dr. Tennant is currently President, CEO, and Principal Consultant at San Joaquin Environmental, in Fresno California, where he consults with Federal, State, County, City, various public agencies, and private industry sectors from public housing to Aerospace. His services are available in all 50 US States and the United Kingdom.

Dr. Tennant also serves as Professor Emeritus for the Department of Public Health at Fresno State University where he's taught Environment Health, Industrial Hygiene, and Occupational Health and Safety for 35 years at both undergraduate and post graduate levels.

Litigation Support - Dr. Tennant has been retained by numerous insurances companies and law firms on various Industrial Hygiene matters throughout the US, including workers compensation, property damage, personal injury, and wrongful death. He has testified as an expert witness in Federal Court, Superior Court, and Workers Compensation Appeals Board over 100 times. He's been deposed many more times. 

Areas of Expertise:

Mold Asbestos Lead-based Paint Bad Faith Environmental Contamination Hazardous Materials Clandestine Drug Lab Remediation Industrial Hygiene

Chemical, Biologic, and Physical Hazard Exposure Landlord / Tenant Disputes over Habitability / Sanitary Standards OSHA, HSE, and EU Compliance Wrongful Death Lead and other Heavy Metal Poisoning Indoor Air Quality and Human Health Hearing Conservation and Noise Ordinance Solvent Exposures

I bring diverse, combined education, licensing, and credentialing in geology, biology, and hazardous materials management. Indoor air quality as related to asbestos, mold, lead, building hazards, vapor intrusion, OSHA worker and occupant complaints.

I manage a firm of environmental and industrial hygiene professionals while serving as an expert in my diverse field; I have over 70 retained cases complete. I can cost effectively support engagements that may require extensive data gathering across an expanded time frame. I apply my capabilities and credentials across commercial, industrial, and oil & gas settings, with a technical focus on highly regulated industry and real estate.

I have been steadily retained for expert witness services since 1995.

I specialize in structural fire forensic investigation and testing, routinely leverage post-flood emergency response expertise in buildings, specific to microbial disinfection, mold mitigation, and source mold under forensic methods of investigation that may exist under alleged building construction defects. I possess expertise in building systems and mitigating hazards from structures in advance of demolition for asbestos, lead, and other regulated materials.  I prepare, implement (and/or critically review) asbestos specifications, mold remediation protocols, OSHA-driven lead specifications, and remediation soil management plans.

I have evaluated diverse workplaces following loss reports due to alleged safety and public health concerns and offered mitigation strategies for worker safety under OSHA complaints, especially regarding respiratory protection. I have served as an expert for multiple worker injury and wrongful death allegations within the context of environmental exposure.  

View Ms. Franks' Consulting Profile.

Dr. Michael L. Dourson has a PhD in Toxicology from the University of Cincinnati, College of Medicine, and is a board-certified toxicologist (i.e., DABT) with over 40 years of experience in Environmental Risk Assessment. 

Dr. Dourson serves as President/Director of the 501c3 nonprofit organization Toxicology Excellence for Risk Assessment (TERA). Prior to this, he was Senior Advisor in the Office of the Administrator at the US EPA. Before this, he was a Professor in the Risk Science Center at the University of Cincinnati, College of Medicine and also worked at TERA and US EPA. 

Litigation Support - Dr. Dourson's specialized knowledge of the issues and pitfalls involved in the research and development of human health risk assessments along with his cutting-edge toxicology expertise allows him to provide state-of-the-art science assessments for attorneys representing plaintiff and defense. 

Services:

• Review toxicity data to assist in determining whether an exposure was the proximate cause of health effects;
• Perform literature searches and providing written critical analysis of literature;
• Provide services related to expert witness opinions and testimony;
• Review and analyzing environmental monitoring data;
• Assist with the development of exposure and medical monitoring programs; and
• Plan and manage peer review and peer consultation programs.

Areas of Expertise:

RfD Assessments RfD Risk Technology Toxicology Reviews Occupational Toxicology Screening Assessments Product Assessments Site Assessments PFAs

Safe Dose Environmental Regulations Research and Methods Development Quantitative Risk Assessment Mode of Action Analysis Emerging Risk Issues Green Chemistry Pharmaceutical Safety

Dr. Dourson has been awarded the Arnold J. Lehman award from the Society of Toxicology, the International Achievement Award by the International Society of Regulatory Toxicology and Pharmacology, and 4 bronze medals from the U.S. Environmental Protection Agency. He has been elected as a Fellow of the Academy of Toxicological Sciences (i.e., FATS) and as a Fellow for the Society for Risk Analysis (i.e., FSRA).

He is the co-author of 3 Patty’s Toxicology chapters on PFAS chemistries and the co-author of 6 research papers on PFOA, two of which have won paper of the year awards from the Society of Toxicology’s Regulatory and Safety Evaluation Specialty Section.

Professional expert in the field of Electromagnetics and Compatibility (EMC) with nearly 45 years working in applied engineering design, testing, certification, education and consulting.  Author of five books on EMC design and application making this complex field easy to understand, "EMC Made Simple". 

Major focus is on engineering principles in all facets of electrical engineering regardless of end use environment. Patent infringement, biological harm, disruption of services are his expertise.

Water, Sanitation, Climate Change

20-years as Expert Witness: Tariff negotiations, technical litigations re. water, sanitation & wastewater, cleanup programs, contamination

Member of US National Academy of Engineering

Fellow & past Vice-President - International Water Association

Fellow Water-Energy Nexus Center, U. of California, Irvine.

Civil Eng. U. of Buenos Aires, M.Eng. McMaster University & Master in Management of Technology from MIT

Co-author 10 books & 100 papers

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