safety engineer expert witness accident prevention reconstruction consulting and analysis OSHA MSHASAFETYBIZ, INC.

Safety Engineering Services

Jay W. Preston, CSP, PE, CMIOSH, President and CEO

Safety Engineer.......Accident Prevention Consulting.......Forensic Safety Engineering.......Accident Investigation.......Accident Reconstruction.......Safety Training.......College Safety Instruction.......Emergency Preparedness.......Safety and  Accident Prevention Expertise and Experience.....Expert Witness......

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Jay W. Preston, CEO

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Human Factors


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  • Call (310) 645-8789 for information.
  • Fax (310) 645-8788
  • Email:

One of my specific areas of expertise concerns window and door installation accidents. During my employment I provided safety engineering assistance for establishments where glazing subject to human contact has been used. Received training in the safety measures required to protect members of the public from the hazards of impact with glazing materials.

Well versed in the federal consumer accident reports (NEISS), and research information regarding human interaction with architectural window and glazing. I have knowledge involving the identification and recognition of glass and glasslike materials (Gemological Institute of America, GIA, Gemologist), their properties; and the history of such materials, and equipment in building construction, and the codes and standards which apply to such installations.

Attended a recent seminar on fire-resistant ceramic glazing materials.

  • Equipment includes:




Immersion Liquids


Dark field Illuminating Microscope


Copyright 2000 - 2011, Jay W. Preston.  Distribution permission granted when this notice is printed in full.  For questions or comments: contact  The J-P, Plus Design and SAFETYBIZ. are registered service marks of Jay William Preston. Permission for use of specific Safety Subject Information is only granted when this notice is printed in full and Preston has been contacted by phone, fax, or email prior to use.