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 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:

Scientific Consulting and Litigation Support

RJ Lee Group’s scientists, chemists, and materials experts consult for industrial and litigation clients. We have subject matter experts who consult on a wide variety of scientific matters including construction materials and concrete, corrosion, environmental, asbestos, metallurgy, and failure analysis.

Failure and Corrosion Analysis

Credentialed, Industry-recognized, Litigation-trusted subject matter experts in root cause failure analysis, corrosion, metallurgy,  materials science, and concrete petrography with a full service materials and chemistry laboratory.

A Lab for Environmental, Health, and Safety

Our EH&S services include:

  • Sampling, Testing and Laboratory Analysis
  • Industrial Hygiene Services
  • Air Sample Analysis
  • Worker Exposure Simulations

Air Sample Analysis – Respirable Crystalline Silica

 RJ Lee Group offers analyses for determination of total and respirable crystalline silica in both air and bulk materials for a variety of industries, including industrial hygiene, mining, and manufacturing. Our Silica detection limits are at the lowest in the U.S.

Inorganic and Organic Chemistry Laboratory

  • Product Testing, Raw Material Testing, and Material Characterization
  • Characterize Minerals like Limestone, Gypsum, Kaolin, Mica
  • Lab for ICP, FTIR, GCMS, GC
  • Variety of Tests to Identify Contaminants

Your Partner for Quality Control Testing

We have the Experts and Laboratory Accreditations to Deal with Issues that Arise, or to Recommend Testing Protocols that are Pertinent.

  • Third-Party Testing and Raw Materials Analysis
  • Manufacturing Quality Control
  • Product Quality Testing
  • Contamination Identification and Source Determination

About RJ Lee Group

RJ Lee Group

RJ Lee Group is an industrial forensics analytical laboratory and scientific consulting firm. We partner with our clients to deal with problems encountered during the manufacturing process, ensure regulatory compliance, and uncover and understand the root cause of product failure. Our network of technical experts provides you with customized solutions that are flexible, scalable, and best-suited to your application. Since 1985, we have worked toward one goal: to solve the daily technical challenges you face.

Microscopy & Lab Capabilities

Our materials experts work with clients to measure and determine physical, chemical, mechanical and microstructural properties of materials.

Analytical Microscopy Techniques:

  • SEM – Scanning Electron Microscopy
  • EDS – Energy Dispersive X-Ray Spectroscopy
  • TEM – Transmission Electron Microscopy
  • STEM
  • Optical
  • FTIR
  • Raman


  • Inorganic and Organic Chemistry 
  • Surface Analysis
  • Thermal
  • Nano Capabilities
  • XRD and XRF

Featured Projects

At RJ Lee Group, we deliver scientific resolution. We get to the heart of your scientific issues, bring in our experts, and help your company achieve your goals.

RJ Lee Group in Space

RJ Lee Group built a TPS100 unit to collect nanoscale particles on the International Space Station.

Concrete Materials Investigation at LAX

Our construction materials group examines concrete microscopically. We worked with Los Angeles International Airport to determine its pre-mature cause of runway deterioration.

Department of Energy Contract

RJ Lee Group is part of a team which landed a contract to solve a targeted set of challenges for the energy and manufacturing industries.

Industries we work with













Scientific Support in Litigation

Our Subject Matter Experts have a distinguished history of working on some of the most difficult and high-profile scientific cases in support of litigation efforts led by law firms across the U.S.

  • Product Liability
  • Construction Defect
  • Patent Infringement
  • Class Action
  • Toxic Tort
  • Environmental
  • Contract Disputes
  • Insurance Subrogation