Hazardous Materials Pollution Expert Witnesses

Dr. John P. Bederka, PhD, has over 30 years of experience as a Toxicologist with specialized knowledge of Chemistry, Pharmacology, and Neuropharmacology. Dr. Bederka served as Section Head of Toxicology and Therapeutic Drug Monitoring for the Abraham Lincoln School of Medicine at the University of Illinois Medical Center. His practice covers Occupational Exposure, Residential Exposure, Adverse Health Effects, and Chemical Substances of Abuse.

Dr. Bederka is frequently called upon to provide Expert Testimony in Forensic Pathology and Toxicology in traffic accidents, medical malpractice, worker's compensation, and other diverse matters. As an independent contractor, Dr. Bederka has been retained for his services over 100 times in 25 states across the nation and Guam. Noted for his case-work on the Exxon Valdez matter, his recent work involves chemicals in Hydrofracking Fluids in Shale Gas extraction.

Areas of Expertise:

General Toxicology Prescription Drugs Alcohol Solvents / Vapors Metals Insecticides

Wood Preservatives Contaminants PCBs Chemical Spill Incidents Smoke Inhalation - Carbon Monoxide Asbestos

View Dr. Bederka's Consulting Profile.

Stacie Singleton has over 25 years of experience in Environmental Regulatory Compliance. She has Worked in environmental compliance in public, private, and contractor roles.

Background - Ms. Singleton has been a Resource Conservation and Recovery Act (RCRA) permitting manager for state regulatory agencies in Washington and New Mexico. An environmental state regulator for 18 years, her expertise is in the proper management of hazardous and non-hazardous solid waste. Ms. Singleton has also served as an Environmental Consultant to Native American Tribes for 4 years.

Litigation Support - Ms. Singleton is provides consultation and expert witness services to attorneys representing both plaintiff and defendant. Her services include site review, thorough reporting, and depositions as needed.

Areas of Expertise:

Applications of RCRA RCRA Permitting RCRA Compliance Solid Waste Management

Hazardous Waste Management Public Involvement Sediment Remediation Support Uplands Remediation Support

Education / Training:

• BS Zoology, Oklahoma State University
• MS Environmental Engineering, Oklahoma State University
• Graduate work in Environmental Toxicology
• Over 1,000 hours of additional professional / technical training, McCoy RCRA training.

Robin D. Franks, PG, CHMM, RSO has over 25 years of relevant industry experience as a professional Geoscientist / Geologist and Certified Hazardous Materials Manager. President and TGE Resources, Inc., she offers environmental due diligence, industrial hygiene, environmental compliance auditing, and remediation management of affected real property services.

Ms. Franks provides litigation support and client representation with regard to environmental matters. She has been actively involved in more than 35 "merger/acquisition" projects encompassing over 750 sites nationwide. As senior Technical Advisor, she has been involved in thousands of real property investigations, many of which have involved remediation/closure projects within Texas and throughout the United States.

Areas of Expertise:

• Real Estate Assessments - Environmental Due Diligence
• Environmental Compliance Audits
• Remediation Management, Corrective Action (Clean-up) Consulting of Contaminated Real Estate
• Risk-Based Closure
• Hazardous, Solid Waste Materials Management, Clean-up Consulting of Affected Property
• Asbestos, Lead-Based Paint, Mold/Fungal, Industrial Hygiene
• Radiation Safety (NORM)
• Petroleum Storage Tank (PST) Management, Compliance, Corrective Action
• Environmental Testing, Clean-up Consulting

View Dr. Franks' Consulting Profile.

Joseph H. Guth, PhD, CIH, has in-depth expertise in many fields of Toxic and Hazard Assessment, as well as a very broad background in both academia and industry. A Chemist and Biochemist, he is the President and Principal expert of Scientific and Forensic Services, Inc.

Background Experience - Having a broad range of in-depth experience in numerous fields of science, Dr. Guth has owned and operated several testing and R&D laboratories over a 50 year period, including nationally-known Interscience Research Inc. In basic and applied research, university teaching and finally as Laboratory Director, his scientific expertise was developed first-hand in the many specialties that his laboratories were called upon to perform.

Litigation Support - Dr. Guth has offered his independent expertise in 100s of civil and criminal cases since 1979. He has also been a consultant and peer reviewer for EPA and NIOSH. He currently specializes in Toxic Torts and related matters both inside and outside of the workplace. He has numerous regular nationwide clients in the legal profession and the insurance industry.

Attorneys throughout the U.S. have found Dr. Guth's ability to examine, test and evaluate their cases and the evidence to be invaluable. If desired he can provide multifaceted support for many kinds of cases. Examples of his broad expertise also involve such issues as Standards of Industry, state-of-the-art, duty-to-warn, warning labeling and applicable governmental regulations.

Services - Consulting, retrospective hazardous exposure assessments, site inspections and sampling, some testing and examination services, reports, research & development, and court testimony.

Areas of Expertise:

• CHEMISTRY - Analytical, Environmental, Inorganic, Metallurgical, Organic, Polymer, Biochemistry, Forensic, Atmospheric and Compressed Gases, Nuclear Chemistry, Food and Pharmaceutical Analysis; Water Testing, Industrial Process Troubleshooting
• INDUSTRIAL HYGIENE - Comprehensive Practice, OSHA Compliance, Toxicology, Carcinogen Exposure, Hazardous Exposure Risk Assessment, Exposure Modeling, Asbestos Issues, Lead Poisoning Issues, Pesticide Poisoning, Solvent Exposure, Indoor Air Quality Evaluation, Microbiology, Mold, Physical Stressors, Radiation Exposures, Safety Assessment, Material Safety Data Sheet Development
• MATERIAL SCIENCE - Properties and Strength of Various Materials, such as Metals, Plastics and Other Polymers, Glass, Textiles, Masonry, Construction Materials; Failure Mechanisms of Materials, Product Designs and Safety
• OTHER FIELDS - Labeling and Duty to Warn Issues, Quality Assurance Program Evaluations, Environmental Impact, Industry Standards, State-of-the-Art Issues, Governmental Regulatory Issues, U.S. Environmental Protection Agency Requirements, U.S. Consumer Products Safety Commission Issues, U.S. Food and Drug Administration Issues

Howard M. Kipen MD, MPH, is Board certified in Internal Medicine and Occupational Medicine. Dr. Kipen earned a BA from UC Berkeley, MD from UCSF, and MPH from Columbia University. He currently serves as Director of the Clinical Research and Occupational Medicine Division and Professor of Environmental and Occupational Health at Rutgers University.

Dr. Kipen’s research focuses on clinical and epidemiological studies of the health effects of Ambient Air Pollution. His research uses both controlled exposure models with ozone, fresh aerosols, and diesel-enriched on-road exposures, primarily with drives on the New Jersey Turnpike. A new EPA study examines health benefits of portable air cleaners for reducing indoor air pollution levels. Biomarker outcomes presently emphasized are exhaled breath oxidative stress and invasive and noninvasive measures of vascular function. Dr. Kipen has published approximately 200 articles on environmental / occupational health.

Scholarly Activities:

• Former Chair, NASA Human Research Program’s Advanced Environmental Health / Advanced Food Technology Standing Review Panel
• Member, National Academies Standing Committee on Medical and Epidemiological Aspects of Air Pollution on U.S. Government Employees and their Families, 2016
• Chair / Member Multiple Ad Hoc Grant Review Panels (e.g., NIEHS, Department of Defense)
• Governor’s Appointee, Public Employee’s Occupational Safety and Health Review Commission, New Jersey Department of Labor
• Member, Public Health Scientific Advisory Board, New Jersey Department of Environmental Protection

Litigation Support: Dr. Kipen has 35 years of litigation experience. He has expertise in various Toxic Torts including asbestos, benzene, mold, air pollution, occupational and environmental cancers, and other diseases. He also has expertise on "Multiple Chemical Sensitivities" (MCS). Dr. Kipen has particular experience as an asbestos plaintiff's expert and both plaintiff and defense experience with other toxic torts. His services include medical record review, thorough reporting, depositions, and trial testimony as needed.

Dr. Eric N. Brown, CIH, CSP, is a Certified Industrial Hygienist (CIH) and a Certified Safety Professional (CSP), with both certifications in good standing with the issuing boards. Dr. Brown holds a Doctorate in Public Health with an Industrial Hygiene specialization from the University of California at Los Angeles, and a Master’s degree in Public Health with an Occupational Health specialization from the Medical College of Ohio. He has over 20 years of experience in:

• Health and Safety
• Industrial Hygiene
• Indoor Air Quality Exposure Assessments

Litigation Support - Dr. Brown has been a designated expert in hundreds of cases, been deposed dozens of times, and has testified successfully in both trials and arbitrations. His services are available to attorneys representing both plaintiff and defendant. 

Areas of Expertise:

Asbestos Bad Faith Construction Safety Environmental Ergonomics Hazardous Materials Human Factors Engineering

Industrial Hygiene & Mold Landlord / Tenant Lead Poisoning Occupational / Environmental Health OSHA Safety Wrongful Death

For over 40 years, Chuck Dutill, P.E., D.F.E. has been performing Hydrology and Environmental Engineering nationwide. He has focused on wastewater, stormwater, flooding, sewers, septic systems, groundwater, drainage, runoff, hydrology, hydraulics, backups, drinking water, and air quality. Litigation Support - Mr. Dutill has spent approximately 30% of his professional time providing expert witness services for over 40 years. Approximately 50 to 55% of his expert witness services have been for defendants and about 45 to 50% for plaintiffs. He has issued 135 to 140 expert reports, been deposed approximately 40 to 45 times, and testified in federal and state court (including jury and non-jury trials) approximately 30 to 35 times. Forensic cases have occurred in approximately 35 states. As indicated in feedback from attorneys on expert witness cases, some of his strengths include understandable guidance, responsiveness, timeliness, communication, effective report writing, strong testimony (including on cross), efficiency, organization, and assistance with framing case issues. Expertise:

Hydrology Sewer Water Flooding  Groundwater  Hydrogeology  Drainage  Wastewater Treatment Septic Systems Utility Sewer Systems  Sanitary Sewage  Mold  Stormwater Management  Hydraulics  Hazardous Waste  Drinking Water Waste Management

Erosion Soils  Pumping  Water Quality  Air Quality  Wells  Runoff Backups  Water Mains Storm Sewers  Detention  Contamination  Spills  Pollution  Sinkholes  Sedimentation  Wetlands  Infiltration/Inflow  Dams  Floodplains

Toxicity  Remediation  Grading  Health and Safety Modeling  Odors  Combined Sewers  Overflows  Aquifers  Water Distribution Water Treatment Hydraulic Fracturing  Hydroplaning  Monitoring  Metering Maintenance  Design Construction  Inspections

CV Available Upon Request View Mr. Dutill's Consulting Profile.

Christopher E. Janson, MS, CSP, CHMM is a Board Certified Safety Professional with 20 years of experience providing Accident Reconstruction and Failure Analysis services. Mr. Janson has held safety management positions with several Fortune 500 companies. He has also worked with a variety of firms as a consultant for the insurance industry.

Mr. Janson offers litigations support, expert witness, and testimony services for clients involved in safety related matters. His services are available to attorneys for both Plaintiff and Defense. Mr. Janson has been retained over 30 times in the last five years.

Areas of Expertise:

Accident Investigation Walking Surface Characteristics, Measurement Fall Protection Machine Guarding Product Liability & Design Safety Analysis Electrical Safety Ergonomics / Human Factors Lockout / Tagout Warning & Instruction Adequacy Retail Safety

Building & Safety Code Compliance OSHA Compliance Cranes / Scaffolds / Ladders Confined Space Safety Management Systems Material Handling/Fork Trucks Safety Equipment Hazard Communication / Chemical Safety Safety Audits Industrial Hygiene

View Christopher Janson's Consulting Profile.

Technical assistance to counsel in litigation involving  Fires and Explosions, Chemical and Environmental Forensics, Hazardous Waste and Materials, Regulatory Compliance, Dioxins,  and injury or chemical exposure claims including those due to hazardous materials or operations. We provide the technical expertise and develop the evidentiary basis for legal arguments relying on or involving:

• Industrial and environmental chemical forensic analysis
• Causation proved by fate and transport of chemicals and their degradation products in the environment
• Appropriate standard of care for and regulations of hazardous waste and hazardous materials
• Safety and prevention of catastrophic events such as fires and explosions
• Prevention of injury or chemical exposure resulting from hazardous materials or hazardous materials operations
• Prevention of chemical spills and/or proper management of historical environmental contamination

Our current newsletter and publications are available in our website library.

Environmental Safety Management Corporation, Dr. Richard Lynch, Ph.D., CIH, CMC, CMRS, CHFM. Dr. Lynch, a former Professor of Industrial Hygiene, peer-reviewed published author and practicing consultant since 1992, provides defense and plaintiff litigation support for indoor air quality, mold contamination, chemical exposure, infection control and legionella in hospitals, offices, schools and residential dwellings. Dr. Lynch has published research related to mercury contamination in rubberized gym floors, mold contamination in buildings, irritation associated with blown cellulose insulation and other topics. Clients include law firms, insurance companies, manufacturing, health care, commercial, office, schools & residential facilities.

Expertise & Services:

• Certified Industrial Hygiene Consulting
• Indoor Air Quality & Sick Building Syndrome Assessments
• Mold Testing and Remediation Design/Verification
• Water & Sewage Damage Clean-up Specifications and Testing
• HVAC Assessment Services
• Healthcare Microbial & Chemical Testing & Infection Control Risk Assessments,
• Ergonomics Assessments
• Legionella and Healthcare Acquired Infection support
• OSHA Compliance
• Litigation Support & Expert Witness Services

As a Fellow of the American Industrial Hygiene Association, Lynch is expert at forensic hazard identification, measurement, noise assessments and control for chemical, biological and ergonomic hazards.

DNA Industrial Hygiene is an Occupational/Environmental Health & Safety firm providing comprehensive industrial hygiene/environmental services.

Dan Napier is the 'go to' person for help with your Health & Safety Program. If you are a Small business or one of the Fortune 500's Dan has helped someone like you. Whether you need a simple survey for a single issue or a complex benchmark or Safety Audit he has the experience and expertise to do the work.

Mr. Napier provides services to the Legal Community. Please check with him for Trial Assistance, Forensic Studies or Expert Witness Services. He has been designated as an expert and has testified in Federal and State Courts.

Dr. William R. Sawyer  is a Professional Toxicologist with a doctorate in toxicology from Indiana University School of Medicine. He is a diplomate of the American Board of Forensic Medicine and has over 30 years of extensive experience in Public Health and Forensic Toxicology with specialized expertise in causation analyses (plaintiff and defendant) including Alcohol toxicology, Drugs-of-Abuse, Pharmaceuticals, Herbal Products, Dioxins, Solvents, Heavy Metals, Crude Oil and other Chemicals. Dr. Sawyer has testified in trial or deposition in over 30 states including NY, MA, CT, PA, RI, NH, DE, NJ, WV, VA, NC, SC, GA, FL, AL, MS, LA, AR, MO, KY, IN, IL, WI, MI, OH, MN, MT, WA, CA, TX, OK. As a skilled scientist and communicator in the area of toxic tort, Dr. Sawyer provides services to governmental agencies, corporations, select plaintiffs or defendants. Dr. Sawyer currently serves as Chief Toxicologist for TCAS, LLC, and served for 23 years as an Assistant Professor (adjunct) with the Department of Medicine, Upstate Medical University, Syracuse, New York. Dr. Sawyer also has approximately 14 years experience as a licensed clinical and environmental laboratory director in several states. Lisa Myers interviews Dr. Sawyer on NBC Nightly NewsTCAS Services and Expertise:

Alcohol Toxicology Analytical Testing Asbestos Toxicology Birth Defects Carcinogenesis Causation Assessments Chemical Toxicology Carbon Monoxide

Dioxin Toxicology Forensic Chemistry Forensic Toxicology Laboratory Services Mass Toxic Tort Medical Malpractice - Pharmaceuticals Petroleum Toxicology Forensic Source ID

Qualifications & Experience

• Diplomate of the American Board of Forensic Medicine (D-ABFM) 
• Academic Affiliations- Medical School Faculty (adjunct)
• Government Experience - Public Health Toxicologist
• Toxic Tort Causation / Determination - Defense, Plaintiff
• Experienced Clinical and Environmental Laboratory Director
• Considerable Experience with Mass Toxic Torts

View Dr. William Sawyer's Consulting Profile.

National Expert Witness And
Consulting Service For Attorneys

KHB CONSULTING SERVICES provides research, consulting and expert witness services to the legal profession for cases involving:

Chemicals Paints and coatings Chemical specialty products Household chemical products Industrial chemicals Hazardous materials Patent Infringement

Labels and warnings Toxic substances Aerosols & Spray Products Products Liability Chemical spills Chemical explosions Premises Liabillity

We provide:

Translation of technical terminology File review Research Field site visits Laboratory testing/analysis

Reports Strategy assistance during discovery Deposition Testimony Consultation

The primary areas of expertise are:

Chemistry Chemicals Industrial Chemicals Household Chemicals Paint and Coatings Adhesives and Sealants Chemical Specialty Products Solvents Fumes Hazardous Materials Aerosols and Spray Products

Labels and Warning Toxic Substances Polymers / Resins / Plastics MSDS Review Flammable chemicals Laboratory testing and Analysis Failure Analysis Propellants Chemical Spills Chemical Accidents

Atlantic Environmental Inc. has provided expert services on Environmental, Health and Safety issues for the past 40 years. We translate highly technical, scientific information into real and practical terms to assist attorneys in providing the best legal advice and direction in litigation issues involving chemical and environmental issues. We have substantial experience in appearing for deposition and trial as an expert witness 

Areas of Expertise:

Chemical Pollution Occupational Disease Mold Testing & Remediation Indoor Air Quality Chemical Toxicity

Industrial Hygiene Toxic Torts Asbestos & Lead Sampling Environmental Claims Property Assessments & Testing

Robert E. Sheriff, MS, CIH, CSP is the CEO and President of Atlantic Environmental Inc which he founded in 1978.. He earned his MS in Preventative Medicine and Environmental Health and his BS in Zoology. Mr. Sheriff was a former Manager of Health Safety & Environmental for Sun Chemical Corporation and an Industrial Hygienist and Loss Control Rep. for Continental Insurance Co. He served in the US Army - Vietnam Era. He is a Past-President of the American Industrial Hygiene Association(AIHA) He has acted as Expert Witness in Asbestos Personal Injury Litigation(Defense), Industrial Hygiene, Occupational Disease, and Indoor Air Quality/Mold over the last 25 years.

Henry P. Shotwell, Ph.D., CIH is the Senior Consultant of Atlantic Environmental Inc. He earned a Ph.D. in Systems Safety Engineering, an MS in Biomedical Sciences and a BS in Biology & Chemistry. Dr. Shotwell is a former Director, IH & Safety for Environmental Waste Management Associates and a former Manager of Health & Environmental Safety for Sun Chemical. He has acted as Expert Witness in a variety of Industrial Hygiene, Mold, and Toxic Tort cases as both plaintiff and defense expert. 

1 Source Safety and Health, Inc. is a Safety and Health Management and Consulting firm for educational, insurance, commercial, residential, research, healthcare, and manufacturing facilities. 1Source’s team of professionals includes certified industrial hygienists, certified safety professionals, certified professional environmental auditors, and a certified professional ergonomist who can address every safety and health issue. One key measure of their success is that 1Source is the largest safety and health consulting firm with the most certified staff on the east coast. For more than 20 years, the professionals at 1Source have been committed to developing long-term, mutually beneficial professional relationships with our clients and business partners. Indoor Air Quality Management and Consultation:

• Mold, Bacteria and other Microbiological Assessments:
• Odor Surveys and Assessments
• Investigative Indoor Air Quality Surveys
• Proactive Indoor Air Quality Surveys
• Planned Indoor Air Quality Management Programs
• Environmental-Related Disease Investigations
• Legionella and Legionnaires Disease
• Safety Program Management

Safety Management Systems:

• Ergonomics Programs
• Safety Program Development
• Occupational Health / Industrial Hygiene
• Construction Safety Services
• Managed Outsourcing
• Training Program Services
• OSHA VPP (Voluntary Protection Program)
• Safety and Health Audits
• Noise Exposure Evaluation and Control

Asbestos and Lead Management and Consultation:

• Asbestos Surveys and Investigations
• Asbestos Abatement Project Design
• Environmental Quality Assurance Monitoring
• Asbestos Operations and Maintenance Programs