We provide testing services to certify product and materials compliance, support quality control, and ensure the health and safety of workers and their environment. We provide assistance for clients who are not sure what tests they need. Our accredited materials characterization laboratory is the foundation of all the services of RJ Lee Group provides, including standardized testing for compliance, industrial hygiene and environmental analyses, quality control, and materials research and development.

We provide credentialed expertise supported built by robust scientific data. We provide significant support to industrial clients for product development, industrial hygiene and overall production support.

RJ Lee Group maintains a visible and respected reputation within the legal community, having offered scientific support in civil litigation matters for nearly 30 years. 

  • Product Liability 
  • Toxic Tort
  • Construction Defect
  • Fugitive Emission
  • Personal Injury
  • Patent Infringement
  • Contract Disputes
  • Insurance Subrogation

Subject Matter Experts

From our core business of providing scientific solutions to our clients, we have developed innovative products. Some are produced internally, and some have arisen from partnerships with other research organizations. 

For example, we build lab software solutions to help manage and streamline your labs data, and environmental testing products for a variety of applications. 

  • IntelliSEM is a powerful automated particle analysis system.
  • ParticleID is  a customizable cloud hosted web application used to identify foreign particulate matter and  assist with root cause investigations. 

Other products we create count particles and help keep the air and environment safe.

RJ Lee Group is a materials analysis laboratory and consulting company which serves many different industries. We offer scientific solutions such as industrial forensics services, laboratory and testing services, litigation support, and laboratory software to many industries:

Kristin Bunker, Ph.D.

Kristin L. Bunker, Ph.D. in Materials Science and Engineering, is currently a Senior Scientist at RJ Lee Group, Inc. where she specializes in the analysis and characterization of materials utilizing ultra high-resolution electron microscopy and X-ray spectroscopy techniques. She directs and conducts forensic examinations of particulate, nanomaterials, coatings, and thin films in advanced materials, environmental, manufacturing, and pharmaceutical projects. Dr. Bunker works closely with industry, national laboratories, and government agencies in the evaluation of nanoparticles from an industrial hygiene and environmental perspective. She is an expert in the characterization of various nanomaterials used in sensors, diagnostics, aerospace composites, architectural products and protective coatings among others.

From 2012-2014, Dr. Bunker served as the President of the internationally recognized Microanalysis Society (MAS). She is the author or co-author of more than 40 publications covering topics in semiconductors, life sciences, mineralogy, and nanomaterials. Prior to receiving her Ph.D., Dr. Bunker served as an expert witness in California courts for the analysis of Gunshot Residue (GSR).


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To read publications, Materials Insights and blog articles by this expert, please click here.


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