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Welcome to MAS Certified Green

Materials Analytical Services, LLC provides independent emissions product testing and certification of a wide variety of residential and commercial building products through our nationally recognized MAS Certified Green™ emissions testing program, using small, intermediate and large test chambers.

MAS scientists have worked closely with regulators and industry organizations to ensure that consumer's indoor air quality concerns are addressed. Helping to meet the growing demand for “green building” products, MAS provides independent testing programs for IAQ validation.
Trending News: MAS Certified Green Receives ISO 17065:2012 Accreditation for Indoor Air Quality Certification Program. Click here to learn more.

MAS is an emissions testing laboratory specializing in helping companies enter the green market with low VOC emitting products.
Only products that pass our stringent tests can display the MAS Certified Green logo. This logo is your assurance the product is certified for low VOC emissions.
MAS Certified Green offers a number of advantages over our Competitors. We educate our clients and demystifying the testing process.
California Department of Public Health CALGreen Business Institute Furniture Manufacturing Association Scientific Certification Systems Collaborative for High Performance Schools NSF International Level Standard MAS Certified Green
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