Charles B. Pyke, Ph.D., Principal Scientist and Primary Expert Witness of Associated Science Experts, LLC, American Weather & Earth Sciences, LLC, and  Environmental Science & Energy, Inc., offers human factors and ergonomics expertise in the investigation and reconstruction of all types of human involvement in accidents and incidents, including forensic discovery and expert testimony, regarding: 

• Factors involved:

  • Biomechanics; analysis of head, bone, and internal organ injuries.

  • Children and pets left in hot automobiles.

  • Corrosion and disintegration of items listed in section below.

  • Design and safety of items listed in section below.

  • Engineering and physics involved with human factors.

  • Equipment design and structural integrity.

  • Ergonomics and human interaction with vehicles, equipment, and other objects.

  • Failure analysis - safety, structural, and performance aspects of items listed in section below.

  • Light levels; illumination  [see also Weather, Sun, Moon, and Light].

  • Maintenance of equipment and vehicles.

  • Mechanical aspects and factors; breakdowns.

  • Noise, including background noise:  factors in hearing loss, work performance, and behavior.

  • Pedestrian accidents and incidents - causes, contributing factors.

  • Physical, physiological, and psychological factors and aspects.

  • Radioactive spills and releases.

  • Safety issues:  commercial establishments, home, industry, recreational facilities, school, travel.

  • Slip, trip, and fall - causes, contributing factors, aggravating factors.

  • Spoilage of food and other perishables. 

  • Structural failure of items listed in section below.

  • Suspected sabotage.

  • Toxic spills and releases.

  • Toxic torts.

  • Visibility [see also Weather, Sun, Moon, and Light].

  • Worker's compensation issues:  injuries, illnesses, psychological problems.

• Consumer products and other items involved:

  • Beverages served in restaurants, cafeterias, and fast food outlets.

  • Chairs, stools, benches, and counters.

  • Computer furniture, keyboards, and monitors.

  • Computers, monitors, printers, copiers, fax machines, etc.

  • Doctor's office and dental office equipment.

  • Electrical and electronic equipment.

  • Entertainment facilities.

  • Escalators and elevators.

  • Food products.

  • Furniture - home, industry, office, and school:  beds, benches, desks, tables  [see also Chairs, stools above].

  • Helmets - defective, improperly worn, not worn, knocked loose.

  • Industrial environment.

  • Industrial equipment.

  • Ladders.

  • Lighting.

  • Office equipment [see also Chairs, Computer Furniture, Computers, Furniture].

  • Parking lots.

  • Playground and recreational equipment.

  • Restaurants, cafeterias, and fast food outlets.

  • Restraints.

  • Restroom / bathroom facilities:  airlines, commercial buildings, home, hotel / motel, industry, school.

  • School equipment.

  • Seatbelts.

  • Seats, adult:  aircraft, automobiles, boats, buses, bicycles, entertainment rides, home, motorcycles, office, restaurants, school, ships, SUVs, theaters, trains, trucks  [see also Chairs, stools above].

  • Seats, child:  aircraft, automobiles, bicycles, entertainment seats, high chairs, home, school, SUVs, trains [see also Chairs, stools above].

  • Sidewalks, driveways.

  • Ski equipment; ski slope conditions and safety.

  • Sound/noise-producing items.

  • Sports equipment and clothing, including helmets.

  • Staircases, indoor and outdoor.

  • Swimming pools.

  • Therapeutic equipment.

  • Traffic signals and signs.

  • Vehicles:  aircraft, automobiles, boats / ships, buses, bicycles, motorcycles, trains, trucks.

  • Walkways:  indoor, outdoor.

  • Warning devices and alarms.

  • Water:  bottled, tap, industrial, and agricultural; water served in restaurants, cafeterias, and fast food outlets.

  • Workbenches.

• Safety violations, misrepresentations, and cover-ups of defects.