Materials Analytical Services, LLC (MAS)Materials Analytical Services, LLC (MAS) has become one of the foremost laboratory testing facilities in the country.

MAS offers state-of-the art testing for asbestos, mold, industrial hygiene, indoor air quality, emissions, metals, VOCs and SVOCs. We are a GMP compliant laboratory performing the most current NIOSH, OSHA, EPA, CDPH, ANSI and ASTM testing methodologies, for the analysis of air and bulk samples. We are more than just another routine testing lab, we’ll help you understand and apply the test results to your project.

We’ve developed an impeccable reputation for experience, reliability, and accuracy, while continuing to offer unmatched service and value to our clients.