Gas / Vapor (Explosions, Intrusions…) Expert Witnesses: 10

John Chadwick is an AEROSOL TECHNICAL EXPERT with 35 years of Aerosol Industry experience. Mr. Chadwick has designed State-of-the-Art Aerosol Laboratories for Fortune 500 aerosol marketers. He's assisted multiple clients in identifying, analyzing, and resolving product development, manufacturing, and quality-related problems.

Mr. Chadwick has also advised Quality Departments of contract packagers on the design and implementation of upgrades to their existing aerosol quality assurance systems and provided Quality Control Procedures to support the launch of new and improved aerosol products.

Mr. Chadwick has invented a new technology, receiving issued and pending Patents in multiple areas of Aerosol Technology including Household Products, Hair Care, Cooking Release Sprays, VOC Reduction, and many more. His broad experience includes the following types of aerosols:

• Household Products - oven cleaners, polishes, insecticides, air fresheners, dusters, etc.
• Health and Beauty Products (HAB) - hairsprays, deodorants, mousse aerosols
• Food Aerosols - PAM cooking spray, whipped cream
• Automotive Products - lubricants, solvent sprays, de-greasers, refrigerants, etc.
• Medical - foot powder, wound sprays

Litigation Support - John Chadwick has a proven track record of successfully participating as an expert witness in court cases involving Aerosol Products and/or Aerosol Technology. He is available to provide a full spectrum of expert witness services, including technical support for Product Liability case analysis, technical investigations to determine the Root Cause of Aerosol Product Failures, thorough expert reports, depositions, and testimony at trial if needed.

Areas of Expertise:

Aerosol Technology Aerosol Product Development Aerosol Propellant Systems

Aerosol Packaging Systems: Valves and Containers / Spray Optimization Product Scale-up for Manufacturing / Aerosol Product Quality Assurance Systems Aerosol Laboratory: Operation / Design / Safety System

View John Chadwick's Consulting Profile.

Experienced in Fire Cause and Origin, Arson Prosecution and Defense, Product Subrogation, Fire and Building Codes, Life Safety Codes, Fire Injuries and Fatalities, as well as Fire Department Operations and Management. 

John Michael Agosti & Associates provides assistance to insurance companies, attorneys and other agencies in the determination of cause and origin in fires and explosions. Our goal is to provide independent and articulate findings to you the client, quickly and accurately. 

With over 28 years of fire department experience and 15 years in the private sector, Mr. Agosti has completed over two thousand investigations of fires, explosions, and life safety incidents. He has testified in both federal and state courts for both plaintiff and defense clients.

Gregory J. Cahanin, CP works in the Fire Protection Engineering field. Over 40 years of experience in the application of sound engineering principles work to produce results in litigation cases. He is nationally recognized as a Life Safety and Fire Protection expert. He performs fire origin and cause, fire alarm, fire sprinkler, kitchen suppression, fire wall and compartmentation failures, and slip and fall forensic investigations. Gregory J. Cahanin Fire & Code Consulting has been based in St. Petersburg, FL for over 25 years.

Background - Mr. Cahanin served as a Senior Life Safety Engineer with the National Fire Protection Association (NFPA), the organization that writes Fire Protection Codes and Standards. He was staff liaison for building construction standards and the Fire Prevention Code. Special project work included support of the International Division of NFPA in a survey of fire protection for all oil production facilities of LaGoven SA in Venezuela; an evaluation of the existing airport terminal in Rio De Janeiro, Brazil; and a code comparison study for the National Institute of Building Sciences. Mr. Cahanin investigated multiple fatality fires for NFPA and his reports are nationally published and peer reviewed. Mr. Cahanin holds Professional Grade Membership in the Society of Fire Protection Engineers. Mr. Cahanin has earned three undergraduate degrees in Fire Science and Fire Protection and a Master in Public Administration.

Litigation Support - Mr. Cahanin regularly testifies in fire cases offering opinions on the origin and cause of fires in addition to component failures in construction, fire sprinkler systems, kitchen suppression systems and product failures. He is nationally published on fire protection requirements in the building code as a contributing editor on the 2006 edition of the International Building Code (IBC) Commentary where he edited the sections on fire-resistance rated construction. He currently serves on code committees with both the NFPA and ICC. Mr. Cahanin holds a NALA paralegal certification and is well versed in Civil Procedure, interrogatory, expert report writing, and trial procedures.

Mr. Cahanin meets the professional qualifications of NFPA 1033, Standard for Professional Qualifications for Fire Investigator as documented in a Florida Declaratory Statement held by no other fire expert in the state of Florida.

Investigations of note include the Warwick. R.I. Station Nightclub Fire in 2003 with 100 fatalities. In Wyatt v. Security Alarms Co., Inc. key testimony on the failure of a Viking automatic fire sprinkler established a product liability that resulted in a $1.4M dollar jury award for Wyatt in Oklahoma.

Mr. Cahanin's services are available to plaintiff and defendant attorneys. Case work can include site investigation, materials testing, thorough reporting, depositions, and trial testimony.

Areas of Expertise:

Fire Origin and Cause Determination Kitchen Fire Suppression Systems Fire Hazard Analysis Fire Sprinklers Fire-based Construction Defects CPVC Sprinkler Pipe Failure

Fire Walls and Compartmentation Life Safety Egress & Compliance Fire & Building Code Compliance Explosion Analysis and Cause Fire Alarm Failures Walking Surface Slip Trip & Fall

View Cahanin Fire & Code's Consulting Profile.

Paul Eason is a Licensed Professional Engineer, Nationally Certified Fire & Explosion Investigator and Forensic Consultant. His expertise comes from a strong background in industry and academia. In addition to his consulting practice, he is a professor in the School of Engineering at the University of North Florida, and maintains a graduate faculty appointment in the Materials Science and Engineering Program at the University of Florida. 

Dr. Eason has testified in numerous trials and depositions in the following practice areas: 

Product Design & Manufacturing Analysis - Metallurgy & Materials - Fire & Explosions - Industrial Accidents 

Areas of Expertise: Product Liability and Materials Failure Analysis, Product Defect & Safety Issues including: Metals, Plastics, Glass, Ceramics, Corrosion, Fatigue, Overload & Material Selection 

Fire and Explosion Analysis including: cause and origin determination, product related fire causation, industrial process accidents, dust explosions, welding / brazing accidents

Roger W. Griffith, P.E. has over 37 years of experience as a registered professional Mechanical Engineer in the design, maintenance, and operation of mechanical systems (Plumbing, HVAC, and Fire Sprinkler Systems). As the principal of Griffith Engineering & Consulting for 23 years, his design experience with commercial and industrial projects includes convention centers, schools, office buildings, condominiums, apartment buildings, hotels, churches, manufacturing facilities, medical buildings, restaurants, historic buildings, dormitories, fire halls, and maintenance facilities.

Litigation Support - Since 2002, Mr. Griffith has been providing forensic engineering, consulting, and expert witness services that are thorough, credible, and timely. He also assists clients through the mediation and arbitration process. His expert testimony is based upon independent and impartial investigation, research, analysis, and testing. His services include written reports and the preparation of exhibits. Mr. Griffith's expertise is available to plaintiffs and defendants on the issues of plumbing, mechanical, and fire sprinkler system defects and failures. 

His specific areas of expertise include hot water scalding, carbon monoxide poisoning, and legionella. Mr. Griffith has served on numerous codes and standards committees related to areas, including the NFPA 54 Fuel Gas Code, the ASSE Scalding Awareness Task Group, the Uniform Codes' Legionella Task Groups, and the ICC Plumbing/Mechanical/Fuel Gas Code Action Committee. 

He is a Registered Professional Engineer in Alabama, Arizona, Arkansas, Colorado, Florida, Georgia, Illinois, Indiana, Iowa, Kentucky, Louisiana, Maryland, Minnesota, Mississippi, Missouri, New York, North Carolina, Ohio, Oklahoma, South Carolina, Tennessee, Texas, Utah, and Virginia.

Areas of Expertise:

HVAC Design Plumbing Design Pipe Failures Plumbing Component Failures Sprinkler System Failures

Hot Water Systems / Scalding  Water Heater Failures Gas Venting / Carbon Monoxide Poisoning Fuel Gas Fires and Explosions Legionella

View Roger W. Griffith's Consulting Profile.

The experts at Miller Engineering are Ann Arbor-based professional engineers celebrating 30 years of service to University, Government, Insurance, and Industry through research, publications, presentations, and testimony. Miller Engineering has a staff of engineers and experts in the Mechanical, Chemical, Agriculture, Industrial, and Human Factors fields of engineering with specific knowledge in the following areas: 

Vehicles Car/Truck Accident Reconstruction Crash Data Retrieval (CDR) Visibility & Reaction Time Analysis Tires, Trailers, Brakes & Accelerators Truck/Off Road Vehicle Egress/Ingress Traffic Signing and Construction Zones Mechanical & Electrical Safety Product Safety & Analysis Machinery - Metal, Wood, Plastic Molding Machine Guarding & Safety, Robots, Automation Hazard and Risk Analysis Employee Safety Procedures – OSHA Electrical Distribution & Transmission Hazards

Warnings & Instructions Warning Labels & User Manual Design Hazard Analysis & Product Label Designs Medical Device & Drug Warnings & Instructions Inadequate Warnings Analysis Standard Compliance (ANSI Z535) Product Recall Information & Strategies Consumers/Household Safety Appliances & Tools Child Furniture, Choking, Playgrounds Swimming Pools & Exercise Equipment Recreation - ATV, Boats, Bicycles, Boards Ladder, Stair, Step and Railing Accidents Slip, Trip, & Fall Accidents

Chemicals Safety & Labeling NEW OSHA HAZCOM (2012) & GHS Review MSDS, SDS and Product Label Compliance Toxic Torts - Diacetyl, Asbestos, Benzene, Lead, Carbon Monoxide Vaping & E-Cigarette Health Effects Chemical Exposures & Workplace Safety Chemical Inhalation, Ingestion, Dermal Contact Contamination - Water & Environmental Manufacturing & Process Line Accidents Slips, Trips, Falls, & Entanglements Fires & Explosions Cause & Origin Investigations Gas, Vapor, & Electrical Spontaneous Combustion Vaping & E-cigarette Battery Failures

Agriculture Tractor & Equipment Accidents Chemical Applications & Exposures Crop Storage & Harvesting Accidents Pesticides Construction Vehicle Visibility Accidents Slip, Trip, & Fall Accidents Power Tool Repetitive & Immediate Injuries Scaffolding - Cranes - Hoisting - Fork Lifts Insurance Subrogation & Forensics Accident Investigations Electrical & Fire Causation Chemical Leakage Damage Defective Equipment Injuries Premise and Process Damages

James M. Miller, PE, PhD – Founder Dr. Miller is an Emeritus Professor at the University of Michigan College of Engineering and a registered professional engineer and consultant with over 30 years of experience as an expert witness. He has served as a consultant to industry and government and is highly qualified to give engineering testimony. Dr. Miller specializes in warnings, labeling and instruction manuals, consumer product design, machine guarding, process safety, fire science, vehicle visibility, tractor egress/ingress, pedestrian and worker slip and fall prevention, recreational vehicles (ATVs, boats, and personal watercraft), compliance with occupational safety and consumer safety standards (OSHA, MSDS, CPSC, ANSI, ASTM, UL, etc.).

Mark R. Lehto, PhD – Co-Founder Dr. Lehto is a Professor of Engineering at Purdue University. He completed his Ph.D. in engineering at the University of Michigan in 1985, where he specialized in Human Factors Engineering, in particular Warnings and Labeling. He has taught courses at Purdue in human and safety factors areas, as well as decision making and artificial intelligence. He has authored numerous professionally-reviewed articles, and he has authored / coauthored internationally-recognized textbooks in the areas of human factors and ergonomics. Dr. Lehto specializes in knowledge engineering, warnings and instructions, structuring expert systems, accident modeling, accident statistical analysis, consumer product safety, boating safety, in-field national surveys of product usage and product information effectiveness.

David R. Clark, PE, PhD – Co-Founder Dr. Clark is an Emeritus Engineering Professor at Kettering University. He was an engineering Ph.D. graduate from the University of Michigan, where he specialized in human factors engineering and system safety analyses. In particular, his earlier degrees in mechanical and electrical areas have given him a special expertise in electrical fire- and explosion-related accidents. Dr. Clark is also published on the topics of warnings and labeling. With considerable in-plant experience at General Motors, he is uniquely qualified to provide student theses and design projects while teaching at Kettering that deal with many types of mechanical and optimization projects. Finally, he has extensive experience working for loss control companies, performing over 150 fire origin and cause investigations in the past few years.

John Miller, CFI, CFEI, CVFI, ECT Fire Capt. (Ret.), is a Certified Fire Investigator, Explosion Investigator, Vehicle Investigator, and Evidence Collection Technician licensed in California. He has 29 years in the fire service, over 24 years in the private sector, and 3 years as a major city fire investigator. Mr. Miller has investigated over 2,500 fires. He started in the fire service in 1972. 

Litigation Support - Over the courses of his career, Mr. Miller has handled over 18,000 pieces of evidence. His services include retrieving, transporting, and storing evidence (evidence examination facility available.) He works with public and federal defender offices and is NFPA 921 & 1033 compliant.

As of October 2022, Mr. Miller has been retained in 10 Defense cases, 7 Plaintiff cases: 5 Criminal cases, 12 Civil cases, and 7 trials. He recently participated in a 1.7 million dollar court case with a unanimous decision in his client's favor. See Case List.

Areas of Expertise:

• Fire Investigation
• Arson
• Fraud
• Insurance Subrogation

Background Information - Since 1998, Mr. Miller has served as President of JMI, INC., conducting fire investigations in California. Prior to that, from 1980-2000, he worked as a fire investigator and ultimately Fire Captain with the Sacramento City Fire Department.

Mr. Miller also served with the United States Air Force from 1972-1979 as a firefighter, crew chief, and dispatcher, in charge of extinguisher maintenance at Mather. He worked at McClellan, Mather, and Kunsan, Korea Air Force bases.

Certifications:

• Certified Fire Investigator by the International Association of Arson Investigators
• Certified Fire Investigator by the California Conference of Arson Investigators
• Certified Fire Investigator California State Fire Marshal's Office
• Certified Evidence Collection Technician by the International Association of Arson Investigators
• Certified Fire and Explosion Investigator by the National Association of Fire Investigators
• Certified Fire and Explosion Investigator by the by the National Association of Fire Investigators
• Certified Vehicle Fire Investigator by the National Association of Fire Investigators
• Certified Evidence Collection Technician by the International Association of Arson Investigators
• NFPA 921 & 1033 Compliant
  

View JMI Fire Investigation's Consulting Profile.

Peter Howell, PE, CSP, CFEI  has almost 50 years of experience in the Design, Operation, Maintenance and Management of Chemical and Petrochemical Facilities with positions such as process engineer, project engineer, maintenance foreman, technical manager, engineering manager, plant manager and vice president and general manager.

Mr. Howell has investigated approximately 125 incidents that occurred in chemical plants, refineries, pulp and paper mills and similar industries for attorneys, insurance companies and regulatory agencies. He has determined the root causes using methodologies consistent with NFPA 921, Center for Chemical Process Safety, United Steel Workers, and the National Safety Council.  The root causes determined were based on the evidence, Recognized and Generally Accepted Good Engineering Practices and federal regulations.

Mr. Howell has extensive experience in developing, implementing and auditing the elements of OSHA's process safety management (PSM) regulation and EPA's risk management plan (RMP). He also has extensive experience in accident and incident investigations involving fire, explosion, and release of toxic and hazardous materials.

Areas of Expertise:

OSHA Compliance Safety Performance Improvement Incident Investigation Recognized and Generally Accepted Good Engineering Practices (RAGAGEP) OSHA PSM Regulation

EPA RMP Regulation Process Hazards Analysis Design, Operation Maintenance and Management of Chemical and Refinery Equipment and Facilities

Rapperport Associates, Inc., provides exceptional capability in Failure Analysis, Fire and Explosion Investigation, Accident Reconstruction, Structural Analysis, Mechanical and Electrical Engineering, Metallurgy and Materials Science. We have provided superior technical support for litigation since 1974, and possess an extraordinarily talented technical team with impeccable academic and industrial credentials and proven analysis capability. Our team of distinguished scientists and engineers is drawn principally from Massachusetts Institute of Technology (M.I.T.) and Stanford University. 

AREAS OF EXPERTISE:

Failure Analysis Structural Design Analysis Metallurgical Failures Finite Element Stress Analysis Fracture and Fatigue Analysis Scanning Electron Microscopy Corrosion

Accident Reconstruction Automobiles / Trucks Biomechanics / Injury Mechanism Off-Road Vehicles Occupant Motion Aircraft Animation

Fire & Explosion Analysis Cause and Origin Electrical Gases, Liquids and Dust Industrial Processes

Safety Machine and Industrial Safety Machine Guarding Construction Failures Slips, Trips, Falls

Engineering

• Mechanical
• Structural / Civil
• Metallurgy
• Materials Science
• Aeronautics and Astronautics
• Electrical

Dale Wheeler is licensed in Fire Protection and Safety Engineering, and is certified in Basic Code Enforcement / Building Inspection by the Building Officials and Code Administrators (BOCA). He is published on fire safety in Atrium Buildings and in Exhibition Halls. Mr. Wheeler's Areas of Expertise include:

• Fire Protection System Design, installation and operation:
  - Fire detection
  - Smoke detection
  - Fire alarm
  - Central Station
  - Sprinkler systems
  - Fire suppression systems
  - Smoke control
• Fire and Smoke Barriers
• Building Code, Life Safety Code, and Fire Code Compliance
• Fire Hazard, Building Materials, Fire Resistance Ratings
• Fire Cause and Origin
• Arson
• Means of egress, egress signage, emergency lighting
• Forensic Fire and Fire Systems Investigation