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CARB Rules Take Effect for Formaldehyde Emissions from Composite Wood Products >more

No-Added Formaldehyde (NAF) and Ultra Low Emitting Formaldehyde Resins (ULEF) Option for CARB Compliance >more

State of California Adopts Statewide Green Building Code >more

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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.

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what is certified green?
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what does this logo mean?
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compare to greenguard
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MAS is an emissions testing laboratory specializing in helping companies enter the green market with low VOC emitting products.

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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.

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MAS Certified Green offers a number of advantages over GreenGuard. We educate our clients and demystifying the testing process.

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