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:

RJ Lee Group Develops a Characterization System for Testing Air Monitoring Sensor Devices for South Coast Air Quality Management District

Dennis Hyde

June 18, 2021

RJ Lee Group recently developed an exposure/characterization chamber (SEnTeC-2) to assist with sensor networks/sensor load program calibration, performance testing, and supplementary testing for low-cost sensors. It has comprehensive pollutants/software controls, developed in collaboration with Edelweiss Technology (Cleveland , OH) and  IEStechno (Morgantown, WV). This SEnTeC-2 chamber was built for the South Coast Air Quality District for its new air quality sensor performance evaluation center, a new offering for other air quality entities. The development and execution of highly specialized testing scenarios by the SEnTeC-2 system (i.e., vibration, wind speed, and altitude tests) can provide additional insights into the performance of low-cost sensors under extreme conditions.  Read More about the AQ-SPEC and RJ Lee Group’s contributions.

The South Coast Air Quality Management District (AQMD) is the air pollution agency responsible for regulating stationary sources of air pollution in the South Coast Air Basin (Southern California). It includes all of Los Angeles County, Orange County, San Bernardino County and Riverside County. South Coast AQMD has been a leader in the nation’s efforts to reduce air pollution emissions.

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