Red Leaf Proudly Canadian Owned and Operated since 1981
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The LEX Scientific laboratory has been providing analytical services to a wide range of industrial, institutional, governmental, and residential clients since 1981. Our highly trained and knowledgeable laboratory staff are constantly striving to surpass expectations of quality, timeliness, and customer support. We work closely with our clients to deliver fast, effective and legally defensible results and provide key project recommendations.  


As a NVLAP (lab code 101949-0) accredited laboratory to ISO/IEC 17025:2017 and a Canadian-National Proficiency Program (C-NRPP) certified laboratory we continually monitor our operations to ensure we meet and exceed stated quality and performance standards. 




Click on a service for more information. 


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Asbestos Analysis

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Mould Identification & Mould Culture Analysis

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Radon Measurement and Mitigation

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Lead Analysis

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Hazardous Building Materials

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Optical Characterization & Unknown Materials Identification

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Particle Size Distribution Analysis

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Water & Air Filter Analysis


Don’t see what you are looking for?  

LEX also offers specialty analyses and services upon request. Contact us for more information. 




LEX Scientific is committed to ensuring data integrity and providing quality results that our clients can rely on. Our quality assurance program and quality control procedures are designed to comply with or exceed the quality and performance standards of the industry and the International Standards Organization (ISO/IEC 17025:2017). To reinforce our quality assurance plan, we participate in national and international accreditation and proficiency testing programs.  


Accreditations & Proficiency Program Involvement






NVLAP Lab Code 101949-0

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Member Number 2812

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AIHA Lab ID 151053

  • Our laboratory was the first independent C-NRPP Certified Laboratory for Alpha Track Detector Analysis in Canada
  • LEX participates in the Canadian Association for Laboratory Accreditation (CALA) Proficiency Testing Program for asbestos fiber analysis in air 
  • Since 1990, our laboratory has been accredited by the National Voluntary Laboratory Accreditation Program (NVLAP Lab Code 101949-0) to ISO/IEC 17025 for asbestos fibre analysis 
  • LEX participates in the AIHA EMPAT Proficiency Analytical Testing Program for the direct microscopic examination and culture of mould samples
What does accreditation mean?

Accreditation by NVLAP (Lab Code 101949-0) and certification by C-NRPP provides proof that the competency of our laboratory has been closely examined, assessed against national and international standards, and confirmed by an independent third-party accreditor. A decision to accredit means that the LEX laboratory meets the operational and technical requirements detailed in the international quality standard ISO 17025:2017 and current national standards.  


In short, LEX’s accreditations means you can be assured that: 

  • Our measurement methods are maintained according to current national and international standards 
  • Our equipment is checked and calibrated regularly 
  • Our laboratory technicians and analysts demonstrate a high level of competency 
  • We participate in international intercomparison testing 
  • The results you receive from us are of the highest quality and reliability