| Term | Definition |
| Green Seal | Greenguard Environ. Institute - non profit organization that oversees the product certification program. Test for indoor products for emissions and sets allowable levels |
| Scientific Certification System (SCS) | Certifies biodegradability , recycled content and enviromtl. preferable products |
| ISO 14000 | Standards and guidelines for product performance, standards, labelilng, envtl management, and life cycle assessment |
| ASTM E1991 | Standard Guide for Envirmtl. Life Cycle assessment of Building. Regulations and industry standards |
| TSCA Toxic substance control act of 1976 | law gives epa authority to track and regulate chemicals products or imported into usa |