The GREENGUARD Environmental Institute (GEI) is third-party organization that oversees the GREENGUARD Certification ProgramSM, the largest industry-independent certification program for low-emitting products. The program establishes standards for test methods, allowable emissions levels, product sample collection and handling, testing type and frequency and program application processes and acceptance. GEI’s mission is to improve human health and quality of life through programs that improve indoor air quality. The GREENGUARD Certification mark helps architects, builders, designers and specifiers identify products and materials that undergo rigorous testing and meet stringent standards for chemical emissions.