Materials Analytical Services, LLC (MAS)

Asbestos Testing and Consulting Lab Services


Recognized as the industry leader, we provide asbestos bulk, water and air analysis for customers throughout the world. Our scientists are frequently requested to speak and teach at environmental training courses and have played a vital role in shaping the standards and regulations for today’s asbestos analysis protocols. We utilize ASTM, EPA, AHERA, ISO, NIOSH 7400 and NIOSH 7402 methodologies, among others. MAS is in compliance with International Standard ISO/IEC 17025.



Phase Contrast Microscopy (PCM) is the most basic and widely used method to measure overall fiber concentrations of air samples from occupational settings.



Polarized Light Microscopy (PLM) is most often used for bulk material analysis. PLM allows our analysts to classify the type of asbestos present as well as measure concentrations.



Transmission Electron Microscopy (TEM) is the preferred technique for the measurement of asbestos in air, dust, soil and water samples. It is the only technique that both resolves and identifies all sizes of asbestos fibers.

MAS offers a wide range of asbestos analysis and consulting services. We have both Certified Industrial Hygienists (CIH) and Analysts with over 100 years of experience both in the lab and in the field. Our experts are available to help clients interpret their analytical results.

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